thodg/libgit2

diff --git a/fuzzers/standalone_driver.c b/fuzzers/standalone_driver.c
index c661970..90e7013 100644
--- a/fuzzers/standalone_driver.c
+++ b/fuzzers/standalone_driver.c
@@ -8,7 +8,7 @@
 #include <stdio.h>
 
 #include "git2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "path.h"
 
 extern int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size);
diff --git a/src/apply.c b/src/apply.c
index 9d607dd..55b1a39 100644
--- a/src/apply.c
+++ b/src/apply.c
@@ -18,7 +18,7 @@
 #include "git2/repository.h"
 #include "array.h"
 #include "patch.h"
-#include "fileops.h"
+#include "futils.h"
 #include "delta.h"
 #include "zstream.h"
 #include "reader.h"
diff --git a/src/attr_file.h b/src/attr_file.h
index 9538f47..f4f9a09 100644
--- a/src/attr_file.h
+++ b/src/attr_file.h
@@ -14,7 +14,7 @@
 #include "vector.h"
 #include "pool.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 #define GIT_ATTR_FILE			".gitattributes"
 #define GIT_ATTR_FILE_INREPO	"attributes"
diff --git a/src/blob.h b/src/blob.h
index b9aa330..0d743ec 100644
--- a/src/blob.h
+++ b/src/blob.h
@@ -12,7 +12,7 @@
 #include "git2/blob.h"
 #include "repository.h"
 #include "odb.h"
-#include "fileops.h"
+#include "futils.h"
 
 struct git_blob {
 	git_object object;
diff --git a/src/clone.c b/src/clone.c
index 4e2dd50..e0b43f1 100644
--- a/src/clone.c
+++ b/src/clone.c
@@ -19,7 +19,7 @@
 #include "git2/tree.h"
 
 #include "remote.h"
-#include "fileops.h"
+#include "futils.h"
 #include "refs.h"
 #include "path.h"
 #include "repository.h"
diff --git a/src/config_cache.c b/src/config_cache.c
index dbc463b..e4e071b 100644
--- a/src/config_cache.c
+++ b/src/config_cache.c
@@ -7,7 +7,7 @@
 
 #include "common.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 #include "config.h"
 #include "git2/config.h"
diff --git a/src/config_parse.h b/src/config_parse.h
index 0129ee3..b791d32 100644
--- a/src/config_parse.h
+++ b/src/config_parse.h
@@ -10,7 +10,7 @@
 #include "common.h"
 
 #include "array.h"
-#include "fileops.h"
+#include "futils.h"
 #include "oid.h"
 #include "parse.h"
 
diff --git a/src/crlf.c b/src/crlf.c
index 22989c1..edccc0a 100644
--- a/src/crlf.c
+++ b/src/crlf.c
@@ -12,7 +12,7 @@
 #include "git2/index.h"
 #include "git2/sys/filter.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "filter.h"
 #include "buf_text.h"
diff --git a/src/diff_file.c b/src/diff_file.c
index 48e95eb..978d7ea 100644
--- a/src/diff_file.c
+++ b/src/diff_file.c
@@ -12,7 +12,7 @@
 #include "diff.h"
 #include "diff_generate.h"
 #include "odb.h"
-#include "fileops.h"
+#include "futils.h"
 #include "filter.h"
 
 #define DIFF_MAX_FILESIZE 0x20000000
diff --git a/src/diff_generate.c b/src/diff_generate.c
index dad3c0c..7ec317b 100644
--- a/src/diff_generate.c
+++ b/src/diff_generate.c
@@ -9,7 +9,7 @@
 
 #include "diff.h"
 #include "patch_generate.h"
-#include "fileops.h"
+#include "futils.h"
 #include "config.h"
 #include "attr_file.h"
 #include "filter.h"
diff --git a/src/diff_print.c b/src/diff_print.c
index 664336e..f1aac5e 100644
--- a/src/diff_print.c
+++ b/src/diff_print.c
@@ -10,7 +10,7 @@
 #include "diff.h"
 #include "diff_file.h"
 #include "patch_generate.h"
-#include "fileops.h"
+#include "futils.h"
 #include "zstream.h"
 #include "blob.h"
 #include "delta.h"
diff --git a/src/diff_tform.c b/src/diff_tform.c
index a87661e..fc60121 100644
--- a/src/diff_tform.c
+++ b/src/diff_tform.c
@@ -14,7 +14,7 @@
 #include "diff.h"
 #include "diff_generate.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 #include "config.h"
 
 git_diff_delta *git_diff__delta_dup(
diff --git a/src/fetchhead.c b/src/fetchhead.c
index bdded02..a3f6fbc 100644
--- a/src/fetchhead.c
+++ b/src/fetchhead.c
@@ -11,7 +11,7 @@
 #include "git2/oid.h"
 
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 #include "filebuf.h"
 #include "refs.h"
 #include "repository.h"
diff --git a/src/filebuf.c b/src/filebuf.c
index 8a70bcd..aaebf82 100644
--- a/src/filebuf.c
+++ b/src/filebuf.c
@@ -7,7 +7,7 @@
 
 #include "filebuf.h"
 
-#include "fileops.h"
+#include "futils.h"
 
 static const size_t WRITE_BUFFER_SIZE = (4096 * 2);
 
diff --git a/src/filebuf.h b/src/filebuf.h
index f51ff23..b5002ec 100644
--- a/src/filebuf.h
+++ b/src/filebuf.h
@@ -9,7 +9,7 @@
 
 #include "common.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include <zlib.h>
 
diff --git a/src/fileops.c b/src/fileops.c
deleted file mode 100644
index 648ffbe..0000000
--- a/src/fileops.c
+++ /dev/null
@@ -1,1183 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-
-#include "fileops.h"
-
-#include "global.h"
-#include "strmap.h"
-#include <ctype.h>
-#if GIT_WIN32
-#include "win32/findfile.h"
-#endif
-
-int git_futils_mkpath2file(const char *file_path, const mode_t mode)
-{
-	return git_futils_mkdir(
-		file_path, mode,
-		GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST | GIT_MKDIR_VERIFY_DIR);
-}
-
-int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode)
-{
-	int fd;
-	mode_t mask;
-
-	p_umask(mask = p_umask(0));
-
-	git_buf_sets(path_out, filename);
-	git_buf_puts(path_out, "_git2_XXXXXX");
-
-	if (git_buf_oom(path_out))
-		return -1;
-
-	if ((fd = p_mkstemp(path_out->ptr)) < 0) {
-		git_error_set(GIT_ERROR_OS,
-			"failed to create temporary file '%s'", path_out->ptr);
-		return -1;
-	}
-
-	if (p_chmod(path_out->ptr, (mode & ~mask))) {
-		git_error_set(GIT_ERROR_OS,
-			"failed to set permissions on file '%s'", path_out->ptr);
-		return -1;
-	}
-
-	return fd;
-}
-
-int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode)
-{
-	int fd;
-
-	if (git_futils_mkpath2file(path, dirmode) < 0)
-		return -1;
-
-	fd = p_creat(path, mode);
-	if (fd < 0) {
-		git_error_set(GIT_ERROR_OS, "failed to create file '%s'", path);
-		return -1;
-	}
-
-	return fd;
-}
-
-int git_futils_creat_locked(const char *path, const mode_t mode)
-{
-	int fd = p_open(path, O_WRONLY | O_CREAT | O_EXCL | O_BINARY | O_CLOEXEC,
-		mode);
-
-	if (fd < 0) {
-		int error = errno;
-		git_error_set(GIT_ERROR_OS, "failed to create locked file '%s'", path);
-		switch (error) {
-		case EEXIST:
-			return GIT_ELOCKED;
-		case ENOENT:
-			return GIT_ENOTFOUND;
-		default:
-			return -1;
-		}
-	}
-
-	return fd;
-}
-
-int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode)
-{
-	if (git_futils_mkpath2file(path, dirmode) < 0)
-		return -1;
-
-	return git_futils_creat_locked(path, mode);
-}
-
-int git_futils_open_ro(const char *path)
-{
-	int fd = p_open(path, O_RDONLY);
-	if (fd < 0)
-		return git_path_set_error(errno, path, "open");
-	return fd;
-}
-
-int git_futils_truncate(const char *path, int mode)
-{
-	int fd = p_open(path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, mode);
-	if (fd < 0)
-		return git_path_set_error(errno, path, "open");
-
-	close(fd);
-	return 0;
-}
-
-git_off_t git_futils_filesize(git_file fd)
-{
-	struct stat sb;
-
-	if (p_fstat(fd, &sb)) {
-		git_error_set(GIT_ERROR_OS, "failed to stat file descriptor");
-		return -1;
-	}
-
-	return sb.st_size;
-}
-
-mode_t git_futils_canonical_mode(mode_t raw_mode)
-{
-	if (S_ISREG(raw_mode))
-		return S_IFREG | GIT_PERMS_CANONICAL(raw_mode);
-	else if (S_ISLNK(raw_mode))
-		return S_IFLNK;
-	else if (S_ISGITLINK(raw_mode))
-		return S_IFGITLINK;
-	else if (S_ISDIR(raw_mode))
-		return S_IFDIR;
-	else
-		return 0;
-}
-
-int git_futils_readbuffer_fd(git_buf *buf, git_file fd, size_t len)
-{
-	ssize_t read_size = 0;
-	size_t alloc_len;
-
-	git_buf_clear(buf);
-
-	if (!git__is_ssizet(len)) {
-		git_error_set(GIT_ERROR_INVALID, "read too large");
-		return -1;
-	}
-
-	GIT_ERROR_CHECK_ALLOC_ADD(&alloc_len, len, 1);
-	if (git_buf_grow(buf, alloc_len) < 0)
-		return -1;
-
-	/* p_read loops internally to read len bytes */
-	read_size = p_read(fd, buf->ptr, len);
-
-	if (read_size != (ssize_t)len) {
-		git_error_set(GIT_ERROR_OS, "failed to read descriptor");
-		git_buf_dispose(buf);
-		return -1;
-	}
-
-	buf->ptr[read_size] = '\0';
-	buf->size = read_size;
-
-	return 0;
-}
-
-int git_futils_readbuffer_updated(
-	git_buf *out, const char *path, git_oid *checksum, int *updated)
-{
-	int error;
-	git_file fd;
-	struct stat st;
-	git_buf buf = GIT_BUF_INIT;
-	git_oid checksum_new;
-
-	assert(out && path && *path);
-
-	if (updated != NULL)
-		*updated = 0;
-
-	if (p_stat(path, &st) < 0)
-		return git_path_set_error(errno, path, "stat");
-
-
-	if (S_ISDIR(st.st_mode)) {
-		git_error_set(GIT_ERROR_INVALID, "requested file is a directory");
-		return GIT_ENOTFOUND;
-	}
-
-	if (!git__is_sizet(st.st_size+1)) {
-		git_error_set(GIT_ERROR_OS, "invalid regular file stat for '%s'", path);
-		return -1;
-	}
-
-	if ((fd = git_futils_open_ro(path)) < 0)
-		return fd;
-
-	if (git_futils_readbuffer_fd(&buf, fd, (size_t)st.st_size) < 0) {
-		p_close(fd);
-		return -1;
-	}
-
-	p_close(fd);
-
-	if (checksum) {
-		if ((error = git_hash_buf(&checksum_new, buf.ptr, buf.size)) < 0) {
-			git_buf_dispose(&buf);
-			return error;
-		}
-
-		/*
-		 * If we were given a checksum, we only want to use it if it's different
-		 */
-		if (!git_oid__cmp(checksum, &checksum_new)) {
-			git_buf_dispose(&buf);
-			if (updated)
-				*updated = 0;
-
-			return 0;
-		}
-
-		git_oid_cpy(checksum, &checksum_new);
-	}
-
-	/*
-	 * If we're here, the file did change, or the user didn't have an old version
-	 */
-	if (updated != NULL)
-		*updated = 1;
-
-	git_buf_swap(out, &buf);
-	git_buf_dispose(&buf);
-
-	return 0;
-}
-
-int git_futils_readbuffer(git_buf *buf, const char *path)
-{
-	return git_futils_readbuffer_updated(buf, path, NULL, NULL);
-}
-
-int git_futils_writebuffer(
-	const git_buf *buf,	const char *path, int flags, mode_t mode)
-{
-	int fd, do_fsync = 0, error = 0;
-
-	if (!flags)
-		flags = O_CREAT | O_TRUNC | O_WRONLY;
-
-	if ((flags & O_FSYNC) != 0)
-		do_fsync = 1;
-
-	flags &= ~O_FSYNC;
-
-	if (!mode)
-		mode = GIT_FILEMODE_BLOB;
-
-	if ((fd = p_open(path, flags, mode)) < 0) {
-		git_error_set(GIT_ERROR_OS, "could not open '%s' for writing", path);
-		return fd;
-	}
-
-	if ((error = p_write(fd, git_buf_cstr(buf), git_buf_len(buf))) < 0) {
-		git_error_set(GIT_ERROR_OS, "could not write to '%s'", path);
-		(void)p_close(fd);
-		return error;
-	}
-
-	if (do_fsync && (error = p_fsync(fd)) < 0) {
-		git_error_set(GIT_ERROR_OS, "could not fsync '%s'", path);
-		p_close(fd);
-		return error;
-	}
-
-	if ((error = p_close(fd)) < 0) {
-		git_error_set(GIT_ERROR_OS, "error while closing '%s'", path);
-		return error;
-	}
-
-	if (do_fsync && (flags & O_CREAT))
-		error = git_futils_fsync_parent(path);
-
-	return error;
-}
-
-int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode)
-{
-	if (git_futils_mkpath2file(to, dirmode) < 0)
-		return -1;
-
-	if (p_rename(from, to) < 0) {
-		git_error_set(GIT_ERROR_OS, "failed to rename '%s' to '%s'", from, to);
-		return -1;
-	}
-
-	return 0;
-}
-
-int git_futils_mmap_ro(git_map *out, git_file fd, git_off_t begin, size_t len)
-{
-	return p_mmap(out, len, GIT_PROT_READ, GIT_MAP_SHARED, fd, begin);
-}
-
-int git_futils_mmap_ro_file(git_map *out, const char *path)
-{
-	git_file fd = git_futils_open_ro(path);
-	git_off_t len;
-	int result;
-
-	if (fd < 0)
-		return fd;
-
-	if ((len = git_futils_filesize(fd)) < 0) {
-		result = -1;
-		goto out;
-	}
-
-	if (!git__is_sizet(len)) {
-		git_error_set(GIT_ERROR_OS, "file `%s` too large to mmap", path);
-		result = -1;
-		goto out;
-	}
-
-	result = git_futils_mmap_ro(out, fd, 0, (size_t)len);
-out:
-	p_close(fd);
-	return result;
-}
-
-void git_futils_mmap_free(git_map *out)
-{
-	p_munmap(out);
-}
-
-GIT_INLINE(int) mkdir_validate_dir(
-	const char *path,
-	struct stat *st,
-	mode_t mode,
-	uint32_t flags,
-	struct git_futils_mkdir_options *opts)
-{
-	/* with exclusive create, existing dir is an error */
-	if ((flags & GIT_MKDIR_EXCL) != 0) {
-		git_error_set(GIT_ERROR_FILESYSTEM,
-			"failed to make directory '%s': directory exists", path);
-		return GIT_EEXISTS;
-	}
-
-	if ((S_ISREG(st->st_mode) && (flags & GIT_MKDIR_REMOVE_FILES)) ||
-		(S_ISLNK(st->st_mode) && (flags & GIT_MKDIR_REMOVE_SYMLINKS))) {
-		if (p_unlink(path) < 0) {
-			git_error_set(GIT_ERROR_OS, "failed to remove %s '%s'",
-				S_ISLNK(st->st_mode) ? "symlink" : "file", path);
-			return GIT_EEXISTS;
-		}
-
-		opts->perfdata.mkdir_calls++;
-
-		if (p_mkdir(path, mode) < 0) {
-			git_error_set(GIT_ERROR_OS, "failed to make directory '%s'", path);
-			return GIT_EEXISTS;
-		}
-	}
-
-	else if (S_ISLNK(st->st_mode)) {
-		/* Re-stat the target, make sure it's a directory */
-		opts->perfdata.stat_calls++;
-
-		if (p_stat(path, st) < 0) {
-			git_error_set(GIT_ERROR_OS, "failed to make directory '%s'", path);
-			return GIT_EEXISTS;
-		}
-	}
-
-	else if (!S_ISDIR(st->st_mode)) {
-		git_error_set(GIT_ERROR_FILESYSTEM,
-			"failed to make directory '%s': directory exists", path);
-		return GIT_EEXISTS;
-	}
-
-	return 0;
-}
-
-GIT_INLINE(int) mkdir_validate_mode(
-	const char *path,
-	struct stat *st,
-	bool terminal_path,
-	mode_t mode,
-	uint32_t flags,
-	struct git_futils_mkdir_options *opts)
-{
-	if (((terminal_path && (flags & GIT_MKDIR_CHMOD) != 0) ||
-		(flags & GIT_MKDIR_CHMOD_PATH) != 0) && st->st_mode != mode) {
-
-		opts->perfdata.chmod_calls++;
-
-		if (p_chmod(path, mode) < 0) {
-			git_error_set(GIT_ERROR_OS, "failed to set permissions on '%s'", path);
-			return -1;
-		}
-	}
-
-	return 0;
-}
-
-GIT_INLINE(int) mkdir_canonicalize(
-	git_buf *path,
-	uint32_t flags)
-{
-	ssize_t root_len;
-
-	if (path->size == 0) {
-		git_error_set(GIT_ERROR_OS, "attempt to create empty path");
-		return -1;
-	}
-
-	/* Trim trailing slashes (except the root) */
-	if ((root_len = git_path_root(path->ptr)) < 0)
-		root_len = 0;
-	else
-		root_len++;
-
-	while (path->size > (size_t)root_len && path->ptr[path->size - 1] == '/')
-		path->ptr[--path->size] = '\0';
-
-	/* if we are not supposed to made the last element, truncate it */
-	if ((flags & GIT_MKDIR_SKIP_LAST2) != 0) {
-		git_path_dirname_r(path, path->ptr);
-		flags |= GIT_MKDIR_SKIP_LAST;
-	}
-	if ((flags & GIT_MKDIR_SKIP_LAST) != 0) {
-		git_path_dirname_r(path, path->ptr);
-	}
-
-	/* We were either given the root path (or trimmed it to
-	* the root), we don't have anything to do.
-	*/
-	if (path->size <= (size_t)root_len)
-		git_buf_clear(path);
-
-	return 0;
-}
-
-int git_futils_mkdir(
-	const char *path,
-	mode_t mode,
-	uint32_t flags)
-{
-	git_buf make_path = GIT_BUF_INIT, parent_path = GIT_BUF_INIT;
-	const char *relative;
-	struct git_futils_mkdir_options opts = { 0 };
-	struct stat st;
-	size_t depth = 0;
-	int len = 0, root_len, error;
-
-	if ((error = git_buf_puts(&make_path, path)) < 0 ||
-		(error = mkdir_canonicalize(&make_path, flags)) < 0 ||
-		(error = git_buf_puts(&parent_path, make_path.ptr)) < 0 ||
-		make_path.size == 0)
-		goto done;
-
-	root_len = git_path_root(make_path.ptr);
-
-	/* find the first parent directory that exists.  this will be used
-	 * as the base to dirname_relative.
-	 */
-	for (relative = make_path.ptr; parent_path.size; ) {
-		error = p_lstat(parent_path.ptr, &st);
-
-		if (error == 0) {
-			break;
-		} else if (errno != ENOENT) {
-			git_error_set(GIT_ERROR_OS, "failed to stat '%s'", parent_path.ptr);
-			goto done;
-		}
-
-		depth++;
-
-		/* examine the parent of the current path */
-		if ((len = git_path_dirname_r(&parent_path, parent_path.ptr)) < 0) {
-			error = len;
-			goto done;
-		}
-
-		assert(len);
-
-		/*
-		 * We've walked all the given path's parents and it's either relative
-		 * (the parent is simply '.') or rooted (the length is less than or
-		 * equal to length of the root path).  The path may be less than the
-		 * root path length on Windows, where `C:` == `C:/`.
-		 */
-		if ((len == 1 && parent_path.ptr[0] == '.') ||
-		    (len == 1 && parent_path.ptr[0] == '/') ||
-		    len <= root_len) {
-			relative = make_path.ptr;
-			break;
-		}
-
-		relative = make_path.ptr + len + 1;
-
-		/* not recursive? just make this directory relative to its parent. */
-		if ((flags & GIT_MKDIR_PATH) == 0)
-			break;
-	}
-
-	/* we found an item at the location we're trying to create,
-	 * validate it.
-	 */
-	if (depth == 0) {
-		error = mkdir_validate_dir(make_path.ptr, &st, mode, flags, &opts);
-
-		if (!error)
-			error = mkdir_validate_mode(
-				make_path.ptr, &st, true, mode, flags, &opts);
-
-		goto done;
-	}
-
-	/* we already took `SKIP_LAST` and `SKIP_LAST2` into account when
-	 * canonicalizing `make_path`.
-	 */
-	flags &= ~(GIT_MKDIR_SKIP_LAST2 | GIT_MKDIR_SKIP_LAST);
-
-	error = git_futils_mkdir_relative(relative,
-		parent_path.size ? parent_path.ptr : NULL, mode, flags, &opts);
-
-done:
-	git_buf_dispose(&make_path);
-	git_buf_dispose(&parent_path);
-	return error;
-}
-
-int git_futils_mkdir_r(const char *path, const mode_t mode)
-{
-	return git_futils_mkdir(path, mode, GIT_MKDIR_PATH);
-}
-
-int git_futils_mkdir_relative(
-	const char *relative_path,
-	const char *base,
-	mode_t mode,
-	uint32_t flags,
-	struct git_futils_mkdir_options *opts)
-{
-	git_buf make_path = GIT_BUF_INIT;
-	ssize_t root = 0, min_root_len;
-	char lastch = '/', *tail;
-	struct stat st;
-	struct git_futils_mkdir_options empty_opts = {0};
-	int error;
-
-	if (!opts)
-		opts = &empty_opts;
-
-	/* build path and find "root" where we should start calling mkdir */
-	if (git_path_join_unrooted(&make_path, relative_path, base, &root) < 0)
-		return -1;
-
-	if ((error = mkdir_canonicalize(&make_path, flags)) < 0 ||
-		make_path.size == 0)
-		goto done;
-
-	/* if we are not supposed to make the whole path, reset root */
-	if ((flags & GIT_MKDIR_PATH) == 0)
-		root = git_buf_rfind(&make_path, '/');
-
-	/* advance root past drive name or network mount prefix */
-	min_root_len = git_path_root(make_path.ptr);
-	if (root < min_root_len)
-		root = min_root_len;
-	while (root >= 0 && make_path.ptr[root] == '/')
-		++root;
-
-	/* clip root to make_path length */
-	if (root > (ssize_t)make_path.size)
-		root = (ssize_t)make_path.size; /* i.e. NUL byte of string */
-	if (root < 0)
-		root = 0;
-
-	/* walk down tail of path making each directory */
-	for (tail = &make_path.ptr[root]; *tail; *tail = lastch) {
-		bool mkdir_attempted = false;
-
-		/* advance tail to include next path component */
-		while (*tail == '/')
-			tail++;
-		while (*tail && *tail != '/')
-			tail++;
-
-		/* truncate path at next component */
-		lastch = *tail;
-		*tail = '\0';
-		st.st_mode = 0;
-
-		if (opts->dir_map && git_strmap_exists(opts->dir_map, make_path.ptr))
-			continue;
-
-		/* See what's going on with this path component */
-		opts->perfdata.stat_calls++;
-
-retry_lstat:
-		if (p_lstat(make_path.ptr, &st) < 0) {
-			if (mkdir_attempted || errno != ENOENT) {
-				git_error_set(GIT_ERROR_OS, "cannot access component in path '%s'", make_path.ptr);
-				error = -1;
-				goto done;
-			}
-
-			git_error_clear();
-			opts->perfdata.mkdir_calls++;
-			mkdir_attempted = true;
-			if (p_mkdir(make_path.ptr, mode) < 0) {
-				if (errno == EEXIST)
-					goto retry_lstat;
-				git_error_set(GIT_ERROR_OS, "failed to make directory '%s'", make_path.ptr);
-				error = -1;
-				goto done;
-			}
-		} else {
-			if ((error = mkdir_validate_dir(
-				make_path.ptr, &st, mode, flags, opts)) < 0)
-				goto done;
-		}
-
-		/* chmod if requested and necessary */
-		if ((error = mkdir_validate_mode(
-			make_path.ptr, &st, (lastch == '\0'), mode, flags, opts)) < 0)
-			goto done;
-
-		if (opts->dir_map && opts->pool) {
-			char *cache_path;
-			size_t alloc_size;
-
-			GIT_ERROR_CHECK_ALLOC_ADD(&alloc_size, make_path.size, 1);
-			cache_path = git_pool_malloc(opts->pool, alloc_size);
-			GIT_ERROR_CHECK_ALLOC(cache_path);
-
-			memcpy(cache_path, make_path.ptr, make_path.size + 1);
-
-			if ((error = git_strmap_set(opts->dir_map, cache_path, cache_path)) < 0)
-				goto done;
-		}
-	}
-
-	error = 0;
-
-	/* check that full path really is a directory if requested & needed */
-	if ((flags & GIT_MKDIR_VERIFY_DIR) != 0 &&
-		lastch != '\0') {
-		opts->perfdata.stat_calls++;
-
-		if (p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode)) {
-			git_error_set(GIT_ERROR_OS, "path is not a directory '%s'",
-				make_path.ptr);
-			error = GIT_ENOTFOUND;
-		}
-	}
-
-done:
-	git_buf_dispose(&make_path);
-	return error;
-}
-
-typedef struct {
-	const char *base;
-	size_t baselen;
-	uint32_t flags;
-	int depth;
-} futils__rmdir_data;
-
-#define FUTILS_MAX_DEPTH 100
-
-static int futils__error_cannot_rmdir(const char *path, const char *filemsg)
-{
-	if (filemsg)
-		git_error_set(GIT_ERROR_OS, "could not remove directory '%s': %s",
-				   path, filemsg);
-	else
-		git_error_set(GIT_ERROR_OS, "could not remove directory '%s'", path);
-
-	return -1;
-}
-
-static int futils__rm_first_parent(git_buf *path, const char *ceiling)
-{
-	int error = GIT_ENOTFOUND;
-	struct stat st;
-
-	while (error == GIT_ENOTFOUND) {
-		git_buf_rtruncate_at_char(path, '/');
-
-		if (!path->size || git__prefixcmp(path->ptr, ceiling) != 0)
-			error = 0;
-		else if (p_lstat_posixly(path->ptr, &st) == 0) {
-			if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
-				error = p_unlink(path->ptr);
-			else if (!S_ISDIR(st.st_mode))
-				error = -1; /* fail to remove non-regular file */
-		} else if (errno != ENOTDIR)
-			error = -1;
-	}
-
-	if (error)
-		futils__error_cannot_rmdir(path->ptr, "cannot remove parent");
-
-	return error;
-}
-
-static int futils__rmdir_recurs_foreach(void *opaque, git_buf *path)
-{
-	int error = 0;
-	futils__rmdir_data *data = opaque;
-	struct stat st;
-
-	if (data->depth > FUTILS_MAX_DEPTH)
-		error = futils__error_cannot_rmdir(
-			path->ptr, "directory nesting too deep");
-
-	else if ((error = p_lstat_posixly(path->ptr, &st)) < 0) {
-		if (errno == ENOENT)
-			error = 0;
-		else if (errno == ENOTDIR) {
-			/* asked to remove a/b/c/d/e and a/b is a normal file */
-			if ((data->flags & GIT_RMDIR_REMOVE_BLOCKERS) != 0)
-				error = futils__rm_first_parent(path, data->base);
-			else
-				futils__error_cannot_rmdir(
-					path->ptr, "parent is not directory");
-		}
-		else
-			error = git_path_set_error(errno, path->ptr, "rmdir");
-	}
-
-	else if (S_ISDIR(st.st_mode)) {
-		data->depth++;
-
-		error = git_path_direach(path, 0, futils__rmdir_recurs_foreach, data);
-
-		data->depth--;
-
-		if (error < 0)
-			return error;
-
-		if (data->depth == 0 && (data->flags & GIT_RMDIR_SKIP_ROOT) != 0)
-			return error;
-
-		if ((error = p_rmdir(path->ptr)) < 0) {
-			if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) != 0 &&
-				(errno == ENOTEMPTY || errno == EEXIST || errno == EBUSY))
-				error = 0;
-			else
-				error = git_path_set_error(errno, path->ptr, "rmdir");
-		}
-	}
-
-	else if ((data->flags & GIT_RMDIR_REMOVE_FILES) != 0) {
-		if (p_unlink(path->ptr) < 0)
-			error = git_path_set_error(errno, path->ptr, "remove");
-	}
-
-	else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0)
-		error = futils__error_cannot_rmdir(path->ptr, "still present");
-
-	return error;
-}
-
-static int futils__rmdir_empty_parent(void *opaque, const char *path)
-{
-	futils__rmdir_data *data = opaque;
-	int error = 0;
-
-	if (strlen(path) <= data->baselen)
-		error = GIT_ITEROVER;
-
-	else if (p_rmdir(path) < 0) {
-		int en = errno;
-
-		if (en == ENOENT || en == ENOTDIR) {
-			/* do nothing */
-		} else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0 &&
-			en == EBUSY) {
-			error = git_path_set_error(errno, path, "rmdir");
-		} else if (en == ENOTEMPTY || en == EEXIST || en == EBUSY) {
-			error = GIT_ITEROVER;
-		} else {
-			error = git_path_set_error(errno, path, "rmdir");
-		}
-	}
-
-	return error;
-}
-
-int git_futils_rmdir_r(
-	const char *path, const char *base, uint32_t flags)
-{
-	int error;
-	git_buf fullpath = GIT_BUF_INIT;
-	futils__rmdir_data data;
-
-	/* build path and find "root" where we should start calling mkdir */
-	if (git_path_join_unrooted(&fullpath, path, base, NULL) < 0)
-		return -1;
-
-	memset(&data, 0, sizeof(data));
-	data.base    = base ? base : "";
-	data.baselen = base ? strlen(base) : 0;
-	data.flags   = flags;
-
-	error = futils__rmdir_recurs_foreach(&data, &fullpath);
-
-	/* remove now-empty parents if requested */
-	if (!error && (flags & GIT_RMDIR_EMPTY_PARENTS) != 0)
-		error = git_path_walk_up(
-			&fullpath, base, futils__rmdir_empty_parent, &data);
-
-	if (error == GIT_ITEROVER) {
-		git_error_clear();
-		error = 0;
-	}
-
-	git_buf_dispose(&fullpath);
-
-	return error;
-}
-
-int git_futils_fake_symlink(const char *old, const char *new)
-{
-	int retcode = GIT_ERROR;
-	int fd = git_futils_creat_withpath(new, 0755, 0644);
-	if (fd >= 0) {
-		retcode = p_write(fd, old, strlen(old));
-		p_close(fd);
-	}
-	return retcode;
-}
-
-static int cp_by_fd(int ifd, int ofd, bool close_fd_when_done)
-{
-	int error = 0;
-	char buffer[FILEIO_BUFSIZE];
-	ssize_t len = 0;
-
-	while (!error && (len = p_read(ifd, buffer, sizeof(buffer))) > 0)
-		/* p_write() does not have the same semantics as write().  It loops
-		 * internally and will return 0 when it has completed writing.
-		 */
-		error = p_write(ofd, buffer, len);
-
-	if (len < 0) {
-		git_error_set(GIT_ERROR_OS, "read error while copying file");
-		error = (int)len;
-	}
-
-	if (error < 0)
-		git_error_set(GIT_ERROR_OS, "write error while copying file");
-
-	if (close_fd_when_done) {
-		p_close(ifd);
-		p_close(ofd);
-	}
-
-	return error;
-}
-
-int git_futils_cp(const char *from, const char *to, mode_t filemode)
-{
-	int ifd, ofd;
-
-	if ((ifd = git_futils_open_ro(from)) < 0)
-		return ifd;
-
-	if ((ofd = p_open(to, O_WRONLY | O_CREAT | O_EXCL, filemode)) < 0) {
-		p_close(ifd);
-		return git_path_set_error(errno, to, "open for writing");
-	}
-
-	return cp_by_fd(ifd, ofd, true);
-}
-
-int git_futils_touch(const char *path, time_t *when)
-{
-	struct p_timeval times[2];
-	int ret;
-
-	times[0].tv_sec =  times[1].tv_sec  = when ? *when : time(NULL);
-	times[0].tv_usec = times[1].tv_usec = 0;
-
-	ret = p_utimes(path, times);
-
-	return (ret < 0) ? git_path_set_error(errno, path, "touch") : 0;
-}
-
-static int cp_link(const char *from, const char *to, size_t link_size)
-{
-	int error = 0;
-	ssize_t read_len;
-	char *link_data;
-	size_t alloc_size;
-
-	GIT_ERROR_CHECK_ALLOC_ADD(&alloc_size, link_size, 1);
-	link_data = git__malloc(alloc_size);
-	GIT_ERROR_CHECK_ALLOC(link_data);
-
-	read_len = p_readlink(from, link_data, link_size);
-	if (read_len != (ssize_t)link_size) {
-		git_error_set(GIT_ERROR_OS, "failed to read symlink data for '%s'", from);
-		error = -1;
-	}
-	else {
-		link_data[read_len] = '\0';
-
-		if (p_symlink(link_data, to) < 0) {
-			git_error_set(GIT_ERROR_OS, "could not symlink '%s' as '%s'",
-				link_data, to);
-			error = -1;
-		}
-	}
-
-	git__free(link_data);
-	return error;
-}
-
-typedef struct {
-	const char *to_root;
-	git_buf to;
-	ssize_t from_prefix;
-	uint32_t flags;
-	uint32_t mkdir_flags;
-	mode_t dirmode;
-} cp_r_info;
-
-#define GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT (1u << 10)
-
-static int _cp_r_mkdir(cp_r_info *info, git_buf *from)
-{
-	int error = 0;
-
-	/* create root directory the first time we need to create a directory */
-	if ((info->flags & GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT) == 0) {
-		error = git_futils_mkdir(
-			info->to_root, info->dirmode,
-			(info->flags & GIT_CPDIR_CHMOD_DIRS) ? GIT_MKDIR_CHMOD : 0);
-
-		info->flags |= GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT;
-	}
-
-	/* create directory with root as base to prevent excess chmods */
-	if (!error)
-		error = git_futils_mkdir_relative(
-			from->ptr + info->from_prefix, info->to_root,
-			info->dirmode, info->mkdir_flags, NULL);
-
-	return error;
-}
-
-static int _cp_r_callback(void *ref, git_buf *from)
-{
-	int error = 0;
-	cp_r_info *info = ref;
-	struct stat from_st, to_st;
-	bool exists = false;
-
-	if ((info->flags & GIT_CPDIR_COPY_DOTFILES) == 0 &&
-		from->ptr[git_path_basename_offset(from)] == '.')
-		return 0;
-
-	if ((error = git_buf_joinpath(
-			&info->to, info->to_root, from->ptr + info->from_prefix)) < 0)
-		return error;
-
-	if (!(error = git_path_lstat(info->to.ptr, &to_st)))
-		exists = true;
-	else if (error != GIT_ENOTFOUND)
-		return error;
-	else {
-		git_error_clear();
-		error = 0;
-	}
-
-	if ((error = git_path_lstat(from->ptr, &from_st)) < 0)
-		return error;
-
-	if (S_ISDIR(from_st.st_mode)) {
-		mode_t oldmode = info->dirmode;
-
-		/* if we are not chmod'ing, then overwrite dirmode */
-		if ((info->flags & GIT_CPDIR_CHMOD_DIRS) == 0)
-			info->dirmode = from_st.st_mode;
-
-		/* make directory now if CREATE_EMPTY_DIRS is requested and needed */
-		if (!exists && (info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) != 0)
-			error = _cp_r_mkdir(info, from);
-
-		/* recurse onto target directory */
-		if (!error && (!exists || S_ISDIR(to_st.st_mode)))
-			error = git_path_direach(from, 0, _cp_r_callback, info);
-
-		if (oldmode != 0)
-			info->dirmode = oldmode;
-
-		return error;
-	}
-
-	if (exists) {
-		if ((info->flags & GIT_CPDIR_OVERWRITE) == 0)
-			return 0;
-
-		if (p_unlink(info->to.ptr) < 0) {
-			git_error_set(GIT_ERROR_OS, "cannot overwrite existing file '%s'",
-				info->to.ptr);
-			return GIT_EEXISTS;
-		}
-	}
-
-	/* Done if this isn't a regular file or a symlink */
-	if (!S_ISREG(from_st.st_mode) &&
-		(!S_ISLNK(from_st.st_mode) ||
-		 (info->flags & GIT_CPDIR_COPY_SYMLINKS) == 0))
-		return 0;
-
-	/* Make container directory on demand if needed */
-	if ((info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0 &&
-		(error = _cp_r_mkdir(info, from)) < 0)
-		return error;
-
-	/* make symlink or regular file */
-	if (info->flags & GIT_CPDIR_LINK_FILES) {
-		if ((error = p_link(from->ptr, info->to.ptr)) < 0)
-			git_error_set(GIT_ERROR_OS, "failed to link '%s'", from->ptr);
-	} else if (S_ISLNK(from_st.st_mode)) {
-		error = cp_link(from->ptr, info->to.ptr, (size_t)from_st.st_size);
-	} else {
-		mode_t usemode = from_st.st_mode;
-
-		if ((info->flags & GIT_CPDIR_SIMPLE_TO_MODE) != 0)
-			usemode = GIT_PERMS_FOR_WRITE(usemode);
-
-		error = git_futils_cp(from->ptr, info->to.ptr, usemode);
-	}
-
-	return error;
-}
-
-int git_futils_cp_r(
-	const char *from,
-	const char *to,
-	uint32_t flags,
-	mode_t dirmode)
-{
-	int error;
-	git_buf path = GIT_BUF_INIT;
-	cp_r_info info;
-
-	if (git_buf_joinpath(&path, from, "") < 0) /* ensure trailing slash */
-		return -1;
-
-	memset(&info, 0, sizeof(info));
-	info.to_root = to;
-	info.flags   = flags;
-	info.dirmode = dirmode;
-	info.from_prefix = path.size;
-	git_buf_init(&info.to, 0);
-
-	/* precalculate mkdir flags */
-	if ((flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0) {
-		/* if not creating empty dirs, then use mkdir to create the path on
-		 * demand right before files are copied.
-		 */
-		info.mkdir_flags = GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST;
-		if ((flags & GIT_CPDIR_CHMOD_DIRS) != 0)
-			info.mkdir_flags |= GIT_MKDIR_CHMOD_PATH;
-	} else {
-		/* otherwise, we will do simple mkdir as directories are encountered */
-		info.mkdir_flags =
-			((flags & GIT_CPDIR_CHMOD_DIRS) != 0) ? GIT_MKDIR_CHMOD : 0;
-	}
-
-	error = _cp_r_callback(&info, &path);
-
-	git_buf_dispose(&path);
-	git_buf_dispose(&info.to);
-
-	return error;
-}
-
-int git_futils_filestamp_check(
-	git_futils_filestamp *stamp, const char *path)
-{
-	struct stat st;
-
-	/* if the stamp is NULL, then always reload */
-	if (stamp == NULL)
-		return 1;
-
-	if (p_stat(path, &st) < 0)
-		return GIT_ENOTFOUND;
-
-	if (stamp->mtime.tv_sec == st.st_mtime &&
-#if defined(GIT_USE_NSEC)
-		stamp->mtime.tv_nsec == st.st_mtime_nsec &&
-#endif
-		stamp->size  == (git_off_t)st.st_size   &&
-		stamp->ino   == (unsigned int)st.st_ino)
-		return 0;
-
-	stamp->mtime.tv_sec = st.st_mtime;
-#if defined(GIT_USE_NSEC)
-	stamp->mtime.tv_nsec = st.st_mtime_nsec;
-#endif
-	stamp->size  = (git_off_t)st.st_size;
-	stamp->ino   = (unsigned int)st.st_ino;
-
-	return 1;
-}
-
-void git_futils_filestamp_set(
-	git_futils_filestamp *target, const git_futils_filestamp *source)
-{
-	assert(target);
-
-	if (source)
-		memcpy(target, source, sizeof(*target));
-	else
-		memset(target, 0, sizeof(*target));
-}
-
-
-void git_futils_filestamp_set_from_stat(
-	git_futils_filestamp *stamp, struct stat *st)
-{
-	if (st) {
-		stamp->mtime.tv_sec = st->st_mtime;
-#if defined(GIT_USE_NSEC)
-		stamp->mtime.tv_nsec = st->st_mtime_nsec;
-#else
-		stamp->mtime.tv_nsec = 0;
-#endif
-		stamp->size  = (git_off_t)st->st_size;
-		stamp->ino   = (unsigned int)st->st_ino;
-	} else {
-		memset(stamp, 0, sizeof(*stamp));
-	}
-}
-
-int git_futils_fsync_dir(const char *path)
-{
-#ifdef GIT_WIN32
-	GIT_UNUSED(path);
-	return 0;
-#else
-	int fd, error = -1;
-
-	if ((fd = p_open(path, O_RDONLY)) < 0) {
-		git_error_set(GIT_ERROR_OS, "failed to open directory '%s' for fsync", path);
-		return -1;
-	}
-
-	if ((error = p_fsync(fd)) < 0)
-		git_error_set(GIT_ERROR_OS, "failed to fsync directory '%s'", path);
-
-	p_close(fd);
-	return error;
-#endif
-}
-
-int git_futils_fsync_parent(const char *path)
-{
-	char *parent;
-	int error;
-
-	if ((parent = git_path_dirname(path)) == NULL)
-		return -1;
-
-	error = git_futils_fsync_dir(parent);
-	git__free(parent);
-	return error;
-}
diff --git a/src/fileops.h b/src/fileops.h
deleted file mode 100644
index 85131f8..0000000
--- a/src/fileops.h
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-#ifndef INCLUDE_fileops_h__
-#define INCLUDE_fileops_h__
-
-#include "common.h"
-
-#include "map.h"
-#include "posix.h"
-#include "path.h"
-#include "pool.h"
-#include "strmap.h"
-#include "oid.h"
-
-/**
- * Filebuffer methods
- *
- * Read whole files into an in-memory buffer for processing
- */
-extern int git_futils_readbuffer(git_buf *obj, const char *path);
-extern int git_futils_readbuffer_updated(
-	git_buf *obj, const char *path, git_oid *checksum, int *updated);
-extern int git_futils_readbuffer_fd(git_buf *obj, git_file fd, size_t len);
-
-/* Additional constants for `git_futils_writebuffer`'s `open_flags`.  We
- * support these internally and they will be removed before the `open` call.
- */
-#ifndef O_FSYNC
-# define O_FSYNC (1 << 31)
-#endif
-
-extern int git_futils_writebuffer(
-	const git_buf *buf, const char *path, int open_flags, mode_t mode);
-
-/**
- * File utils
- *
- * These are custom filesystem-related helper methods. They are
- * rather high level, and wrap the underlying POSIX methods
- *
- * All these methods return 0 on success,
- * or an error code on failure and an error message is set.
- */
-
-/**
- * Create and open a file, while also
- * creating all the folders in its path
- */
-extern int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode);
-
-/**
- * Create and open a process-locked file
- */
-extern int git_futils_creat_locked(const char *path, const mode_t mode);
-
-/**
- * Create and open a process-locked file, while
- * also creating all the folders in its path
- */
-extern int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode);
-
-/**
- * Create a path recursively.
- */
-extern int git_futils_mkdir_r(const char *path, const mode_t mode);
-
-/**
- * Flags to pass to `git_futils_mkdir`.
- *
- * * GIT_MKDIR_EXCL is "exclusive" - i.e. generate an error if dir exists.
- * * GIT_MKDIR_PATH says to make all components in the path.
- * * GIT_MKDIR_CHMOD says to chmod the final directory entry after creation
- * * GIT_MKDIR_CHMOD_PATH says to chmod each directory component in the path
- * * GIT_MKDIR_SKIP_LAST says to leave off the last element of the path
- * * GIT_MKDIR_SKIP_LAST2 says to leave off the last 2 elements of the path
- * * GIT_MKDIR_VERIFY_DIR says confirm final item is a dir, not just EEXIST
- * * GIT_MKDIR_REMOVE_FILES says to remove files and recreate dirs
- * * GIT_MKDIR_REMOVE_SYMLINKS says to remove symlinks and recreate dirs
- *
- * Note that the chmod options will be executed even if the directory already
- * exists, unless GIT_MKDIR_EXCL is given.
- */
-typedef enum {
-	GIT_MKDIR_EXCL = 1,
-	GIT_MKDIR_PATH = 2,
-	GIT_MKDIR_CHMOD = 4,
-	GIT_MKDIR_CHMOD_PATH = 8,
-	GIT_MKDIR_SKIP_LAST = 16,
-	GIT_MKDIR_SKIP_LAST2 = 32,
-	GIT_MKDIR_VERIFY_DIR = 64,
-	GIT_MKDIR_REMOVE_FILES = 128,
-	GIT_MKDIR_REMOVE_SYMLINKS = 256,
-} git_futils_mkdir_flags;
-
-struct git_futils_mkdir_perfdata
-{
-	size_t stat_calls;
-	size_t mkdir_calls;
-	size_t chmod_calls;
-};
-
-struct git_futils_mkdir_options
-{
-	git_strmap *dir_map;
-	git_pool *pool;
-	struct git_futils_mkdir_perfdata perfdata;
-};
-
-/**
- * Create a directory or entire path.
- *
- * This makes a directory (and the entire path leading up to it if requested),
- * and optionally chmods the directory immediately after (or each part of the
- * path if requested).
- *
- * @param path The path to create, relative to base.
- * @param base Root for relative path.  These directories will never be made.
- * @param mode The mode to use for created directories.
- * @param flags Combination of the mkdir flags above.
- * @param opts Extended options, or null.
- * @return 0 on success, else error code
- */
-extern int git_futils_mkdir_relative(const char *path, const char *base, mode_t mode, uint32_t flags, struct git_futils_mkdir_options *opts);
-
-/**
- * Create a directory or entire path.  Similar to `git_futils_mkdir_relative`
- * without performance data.
- */
-extern int git_futils_mkdir(const char *path, mode_t mode, uint32_t flags);
-
-/**
- * Create all the folders required to contain
- * the full path of a file
- */
-extern int git_futils_mkpath2file(const char *path, const mode_t mode);
-
-/**
- * Flags to pass to `git_futils_rmdir_r`.
- *
- * * GIT_RMDIR_EMPTY_HIERARCHY - the default; remove hierarchy of empty
- *       dirs and generate error if any files are found.
- * * GIT_RMDIR_REMOVE_FILES    - attempt to remove files in the hierarchy.
- * * GIT_RMDIR_SKIP_NONEMPTY   - skip non-empty directories with no error.
- * * GIT_RMDIR_EMPTY_PARENTS   - remove containing directories up to base
- *       if removing this item leaves them empty
- * * GIT_RMDIR_REMOVE_BLOCKERS - remove blocking file that causes ENOTDIR
- * * GIT_RMDIR_SKIP_ROOT       - don't remove root directory itself
- */
-typedef enum {
-	GIT_RMDIR_EMPTY_HIERARCHY = 0,
-	GIT_RMDIR_REMOVE_FILES    = (1 << 0),
-	GIT_RMDIR_SKIP_NONEMPTY   = (1 << 1),
-	GIT_RMDIR_EMPTY_PARENTS   = (1 << 2),
-	GIT_RMDIR_REMOVE_BLOCKERS = (1 << 3),
-	GIT_RMDIR_SKIP_ROOT       = (1 << 4),
-} git_futils_rmdir_flags;
-
-/**
- * Remove path and any files and directories beneath it.
- *
- * @param path Path to the top level directory to process.
- * @param base Root for relative path.
- * @param flags Combination of git_futils_rmdir_flags values
- * @return 0 on success; -1 on error.
- */
-extern int git_futils_rmdir_r(const char *path, const char *base, uint32_t flags);
-
-/**
- * Create and open a temporary file with a `_git2_` suffix.
- * Writes the filename into path_out.
- * @return On success, an open file descriptor, else an error code < 0.
- */
-extern int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode);
-
-/**
- * Move a file on the filesystem, create the
- * destination path if it doesn't exist
- */
-extern int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode);
-
-/**
- * Copy a file
- *
- * The filemode will be used for the newly created file.
- */
-extern int git_futils_cp(
-	const char *from,
-	const char *to,
-	mode_t filemode);
-
-/**
- * Set the files atime and mtime to the given time, or the current time
- * if `ts` is NULL.
- */
-extern int git_futils_touch(const char *path, time_t *when);
-
-/**
- * Flags that can be passed to `git_futils_cp_r`.
- *
- * - GIT_CPDIR_CREATE_EMPTY_DIRS: create directories even if there are no
- *   files under them (otherwise directories will only be created lazily
- *   when a file inside them is copied).
- * - GIT_CPDIR_COPY_SYMLINKS: copy symlinks, otherwise they are ignored.
- * - GIT_CPDIR_COPY_DOTFILES: copy files with leading '.', otherwise ignored.
- * - GIT_CPDIR_OVERWRITE: overwrite pre-existing files with source content,
- *   otherwise they are silently skipped.
- * - GIT_CPDIR_CHMOD_DIRS: explicitly chmod directories to `dirmode`
- * - GIT_CPDIR_SIMPLE_TO_MODE: default tries to replicate the mode of the
- *   source file to the target; with this flag, always use 0666 (or 0777 if
- *   source has exec bits set) for target.
- * - GIT_CPDIR_LINK_FILES will try to use hardlinks for the files
- */
-typedef enum {
-	GIT_CPDIR_CREATE_EMPTY_DIRS = (1u << 0),
-	GIT_CPDIR_COPY_SYMLINKS     = (1u << 1),
-	GIT_CPDIR_COPY_DOTFILES     = (1u << 2),
-	GIT_CPDIR_OVERWRITE         = (1u << 3),
-	GIT_CPDIR_CHMOD_DIRS        = (1u << 4),
-	GIT_CPDIR_SIMPLE_TO_MODE    = (1u << 5),
-	GIT_CPDIR_LINK_FILES        = (1u << 6),
-} git_futils_cpdir_flags;
-
-/**
- * Copy a directory tree.
- *
- * This copies directories and files from one root to another.  You can
- * pass a combinationof GIT_CPDIR flags as defined above.
- *
- * If you pass the CHMOD flag, then the dirmode will be applied to all
- * directories that are created during the copy, overiding the natural
- * permissions.  If you do not pass the CHMOD flag, then the dirmode
- * will actually be copied from the source files and the `dirmode` arg
- * will be ignored.
- */
-extern int git_futils_cp_r(
-	const char *from,
-	const char *to,
-	uint32_t flags,
-	mode_t dirmode);
-
-/**
- * Open a file readonly and set error if needed.
- */
-extern int git_futils_open_ro(const char *path);
-
-/**
- * Truncate a file, creating it if it doesn't exist.
- */
-extern int git_futils_truncate(const char *path, int mode);
-
-/**
- * Get the filesize in bytes of a file
- */
-extern git_off_t git_futils_filesize(git_file fd);
-
-#define GIT_PERMS_IS_EXEC(MODE)		(((MODE) & 0111) != 0)
-#define GIT_PERMS_CANONICAL(MODE)	(GIT_PERMS_IS_EXEC(MODE) ? 0755 : 0644)
-#define GIT_PERMS_FOR_WRITE(MODE)   (GIT_PERMS_IS_EXEC(MODE) ? 0777 : 0666)
-
-#define GIT_MODE_PERMS_MASK			0777
-#define GIT_MODE_TYPE_MASK			0170000
-#define GIT_MODE_TYPE(MODE)			((MODE) & GIT_MODE_TYPE_MASK)
-#define GIT_MODE_ISBLOB(MODE)		(GIT_MODE_TYPE(MODE) == GIT_MODE_TYPE(GIT_FILEMODE_BLOB))
-
-/**
- * Convert a mode_t from the OS to a legal git mode_t value.
- */
-extern mode_t git_futils_canonical_mode(mode_t raw_mode);
-
-
-/**
- * Read-only map all or part of a file into memory.
- * When possible this function should favor a virtual memory
- * style mapping over some form of malloc()+read(), as the
- * data access will be random and is not likely to touch the
- * majority of the region requested.
- *
- * @param out buffer to populate with the mapping information.
- * @param fd open descriptor to configure the mapping from.
- * @param begin first byte to map, this should be page aligned.
- * @param len number of bytes to map.
- * @return
- * - 0 on success;
- * - -1 on error.
- */
-extern int git_futils_mmap_ro(
-	git_map *out,
-	git_file fd,
-	git_off_t begin,
-	size_t len);
-
-/**
- * Read-only map an entire file.
- *
- * @param out buffer to populate with the mapping information.
- * @param path path to file to be opened.
- * @return
- * - 0 on success;
- * - GIT_ENOTFOUND if not found;
- * - -1 on an unspecified OS related error.
- */
-extern int git_futils_mmap_ro_file(
-	git_map *out,
-	const char *path);
-
-/**
- * Release the memory associated with a previous memory mapping.
- * @param map the mapping description previously configured.
- */
-extern void git_futils_mmap_free(git_map *map);
-
-/**
- * Create a "fake" symlink (text file containing the target path).
- *
- * @param new symlink file to be created
- * @param old original symlink target
- * @return 0 on success, -1 on error
- */
-extern int git_futils_fake_symlink(const char *new, const char *old);
-
-/**
- * A file stamp represents a snapshot of information about a file that can
- * be used to test if the file changes.  This portable implementation is
- * based on stat data about that file, but it is possible that OS specific
- * versions could be implemented in the future.
- */
-typedef struct {
-	struct timespec mtime;
-	git_off_t  size;
-	unsigned int ino;
-} git_futils_filestamp;
-
-/**
- * Compare stat information for file with reference info.
- *
- * This function updates the file stamp to current data for the given path
- * and returns 0 if the file is up-to-date relative to the prior setting,
- * 1 if the file has been changed, or GIT_ENOTFOUND if the file doesn't
- * exist.  This will not call git_error_set, so you must set the error if you
- * plan to return an error.
- *
- * @param stamp File stamp to be checked
- * @param path Path to stat and check if changed
- * @return 0 if up-to-date, 1 if out-of-date, GIT_ENOTFOUND if cannot stat
- */
-extern int git_futils_filestamp_check(
-	git_futils_filestamp *stamp, const char *path);
-
-/**
- * Set or reset file stamp data
- *
- * This writes the target file stamp.  If the source is NULL, this will set
- * the target stamp to values that will definitely be out of date.  If the
- * source is not NULL, this copies the source values to the target.
- *
- * @param tgt File stamp to write to
- * @param src File stamp to copy from or NULL to clear the target
- */
-extern void git_futils_filestamp_set(
-	git_futils_filestamp *tgt, const git_futils_filestamp *src);
-
-/**
- * Set file stamp data from stat structure
- */
-extern void git_futils_filestamp_set_from_stat(
-	git_futils_filestamp *stamp, struct stat *st);
-
-/**
- * `fsync` the parent directory of the given path, if `fsync` is
- * supported for directories on this platform.
- *
- * @param path Path of the directory to sync.
- * @return 0 on success, -1 on error
- */
-extern int git_futils_fsync_dir(const char *path);
-
-/**
- * `fsync` the parent directory of the given path, if `fsync` is
- * supported for directories on this platform.
- *
- * @param path Path of the file whose parent directory should be synced.
- * @return 0 on success, -1 on error
- */
-extern int git_futils_fsync_parent(const char *path);
-
-#endif
diff --git a/src/filter.c b/src/filter.c
index 34e2dfa..6c929c0 100644
--- a/src/filter.c
+++ b/src/filter.c
@@ -8,7 +8,7 @@
 #include "filter.h"
 
 #include "common.h"
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "repository.h"
 #include "global.h"
diff --git a/src/futils.c b/src/futils.c
new file mode 100644
index 0000000..e15c801
--- /dev/null
+++ b/src/futils.c
@@ -0,0 +1,1183 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include "futils.h"
+
+#include "global.h"
+#include "strmap.h"
+#include <ctype.h>
+#if GIT_WIN32
+#include "win32/findfile.h"
+#endif
+
+int git_futils_mkpath2file(const char *file_path, const mode_t mode)
+{
+	return git_futils_mkdir(
+		file_path, mode,
+		GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST | GIT_MKDIR_VERIFY_DIR);
+}
+
+int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode)
+{
+	int fd;
+	mode_t mask;
+
+	p_umask(mask = p_umask(0));
+
+	git_buf_sets(path_out, filename);
+	git_buf_puts(path_out, "_git2_XXXXXX");
+
+	if (git_buf_oom(path_out))
+		return -1;
+
+	if ((fd = p_mkstemp(path_out->ptr)) < 0) {
+		git_error_set(GIT_ERROR_OS,
+			"failed to create temporary file '%s'", path_out->ptr);
+		return -1;
+	}
+
+	if (p_chmod(path_out->ptr, (mode & ~mask))) {
+		git_error_set(GIT_ERROR_OS,
+			"failed to set permissions on file '%s'", path_out->ptr);
+		return -1;
+	}
+
+	return fd;
+}
+
+int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode)
+{
+	int fd;
+
+	if (git_futils_mkpath2file(path, dirmode) < 0)
+		return -1;
+
+	fd = p_creat(path, mode);
+	if (fd < 0) {
+		git_error_set(GIT_ERROR_OS, "failed to create file '%s'", path);
+		return -1;
+	}
+
+	return fd;
+}
+
+int git_futils_creat_locked(const char *path, const mode_t mode)
+{
+	int fd = p_open(path, O_WRONLY | O_CREAT | O_EXCL | O_BINARY | O_CLOEXEC,
+		mode);
+
+	if (fd < 0) {
+		int error = errno;
+		git_error_set(GIT_ERROR_OS, "failed to create locked file '%s'", path);
+		switch (error) {
+		case EEXIST:
+			return GIT_ELOCKED;
+		case ENOENT:
+			return GIT_ENOTFOUND;
+		default:
+			return -1;
+		}
+	}
+
+	return fd;
+}
+
+int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode)
+{
+	if (git_futils_mkpath2file(path, dirmode) < 0)
+		return -1;
+
+	return git_futils_creat_locked(path, mode);
+}
+
+int git_futils_open_ro(const char *path)
+{
+	int fd = p_open(path, O_RDONLY);
+	if (fd < 0)
+		return git_path_set_error(errno, path, "open");
+	return fd;
+}
+
+int git_futils_truncate(const char *path, int mode)
+{
+	int fd = p_open(path, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, mode);
+	if (fd < 0)
+		return git_path_set_error(errno, path, "open");
+
+	close(fd);
+	return 0;
+}
+
+git_off_t git_futils_filesize(git_file fd)
+{
+	struct stat sb;
+
+	if (p_fstat(fd, &sb)) {
+		git_error_set(GIT_ERROR_OS, "failed to stat file descriptor");
+		return -1;
+	}
+
+	return sb.st_size;
+}
+
+mode_t git_futils_canonical_mode(mode_t raw_mode)
+{
+	if (S_ISREG(raw_mode))
+		return S_IFREG | GIT_PERMS_CANONICAL(raw_mode);
+	else if (S_ISLNK(raw_mode))
+		return S_IFLNK;
+	else if (S_ISGITLINK(raw_mode))
+		return S_IFGITLINK;
+	else if (S_ISDIR(raw_mode))
+		return S_IFDIR;
+	else
+		return 0;
+}
+
+int git_futils_readbuffer_fd(git_buf *buf, git_file fd, size_t len)
+{
+	ssize_t read_size = 0;
+	size_t alloc_len;
+
+	git_buf_clear(buf);
+
+	if (!git__is_ssizet(len)) {
+		git_error_set(GIT_ERROR_INVALID, "read too large");
+		return -1;
+	}
+
+	GIT_ERROR_CHECK_ALLOC_ADD(&alloc_len, len, 1);
+	if (git_buf_grow(buf, alloc_len) < 0)
+		return -1;
+
+	/* p_read loops internally to read len bytes */
+	read_size = p_read(fd, buf->ptr, len);
+
+	if (read_size != (ssize_t)len) {
+		git_error_set(GIT_ERROR_OS, "failed to read descriptor");
+		git_buf_dispose(buf);
+		return -1;
+	}
+
+	buf->ptr[read_size] = '\0';
+	buf->size = read_size;
+
+	return 0;
+}
+
+int git_futils_readbuffer_updated(
+	git_buf *out, const char *path, git_oid *checksum, int *updated)
+{
+	int error;
+	git_file fd;
+	struct stat st;
+	git_buf buf = GIT_BUF_INIT;
+	git_oid checksum_new;
+
+	assert(out && path && *path);
+
+	if (updated != NULL)
+		*updated = 0;
+
+	if (p_stat(path, &st) < 0)
+		return git_path_set_error(errno, path, "stat");
+
+
+	if (S_ISDIR(st.st_mode)) {
+		git_error_set(GIT_ERROR_INVALID, "requested file is a directory");
+		return GIT_ENOTFOUND;
+	}
+
+	if (!git__is_sizet(st.st_size+1)) {
+		git_error_set(GIT_ERROR_OS, "invalid regular file stat for '%s'", path);
+		return -1;
+	}
+
+	if ((fd = git_futils_open_ro(path)) < 0)
+		return fd;
+
+	if (git_futils_readbuffer_fd(&buf, fd, (size_t)st.st_size) < 0) {
+		p_close(fd);
+		return -1;
+	}
+
+	p_close(fd);
+
+	if (checksum) {
+		if ((error = git_hash_buf(&checksum_new, buf.ptr, buf.size)) < 0) {
+			git_buf_dispose(&buf);
+			return error;
+		}
+
+		/*
+		 * If we were given a checksum, we only want to use it if it's different
+		 */
+		if (!git_oid__cmp(checksum, &checksum_new)) {
+			git_buf_dispose(&buf);
+			if (updated)
+				*updated = 0;
+
+			return 0;
+		}
+
+		git_oid_cpy(checksum, &checksum_new);
+	}
+
+	/*
+	 * If we're here, the file did change, or the user didn't have an old version
+	 */
+	if (updated != NULL)
+		*updated = 1;
+
+	git_buf_swap(out, &buf);
+	git_buf_dispose(&buf);
+
+	return 0;
+}
+
+int git_futils_readbuffer(git_buf *buf, const char *path)
+{
+	return git_futils_readbuffer_updated(buf, path, NULL, NULL);
+}
+
+int git_futils_writebuffer(
+	const git_buf *buf,	const char *path, int flags, mode_t mode)
+{
+	int fd, do_fsync = 0, error = 0;
+
+	if (!flags)
+		flags = O_CREAT | O_TRUNC | O_WRONLY;
+
+	if ((flags & O_FSYNC) != 0)
+		do_fsync = 1;
+
+	flags &= ~O_FSYNC;
+
+	if (!mode)
+		mode = GIT_FILEMODE_BLOB;
+
+	if ((fd = p_open(path, flags, mode)) < 0) {
+		git_error_set(GIT_ERROR_OS, "could not open '%s' for writing", path);
+		return fd;
+	}
+
+	if ((error = p_write(fd, git_buf_cstr(buf), git_buf_len(buf))) < 0) {
+		git_error_set(GIT_ERROR_OS, "could not write to '%s'", path);
+		(void)p_close(fd);
+		return error;
+	}
+
+	if (do_fsync && (error = p_fsync(fd)) < 0) {
+		git_error_set(GIT_ERROR_OS, "could not fsync '%s'", path);
+		p_close(fd);
+		return error;
+	}
+
+	if ((error = p_close(fd)) < 0) {
+		git_error_set(GIT_ERROR_OS, "error while closing '%s'", path);
+		return error;
+	}
+
+	if (do_fsync && (flags & O_CREAT))
+		error = git_futils_fsync_parent(path);
+
+	return error;
+}
+
+int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode)
+{
+	if (git_futils_mkpath2file(to, dirmode) < 0)
+		return -1;
+
+	if (p_rename(from, to) < 0) {
+		git_error_set(GIT_ERROR_OS, "failed to rename '%s' to '%s'", from, to);
+		return -1;
+	}
+
+	return 0;
+}
+
+int git_futils_mmap_ro(git_map *out, git_file fd, git_off_t begin, size_t len)
+{
+	return p_mmap(out, len, GIT_PROT_READ, GIT_MAP_SHARED, fd, begin);
+}
+
+int git_futils_mmap_ro_file(git_map *out, const char *path)
+{
+	git_file fd = git_futils_open_ro(path);
+	git_off_t len;
+	int result;
+
+	if (fd < 0)
+		return fd;
+
+	if ((len = git_futils_filesize(fd)) < 0) {
+		result = -1;
+		goto out;
+	}
+
+	if (!git__is_sizet(len)) {
+		git_error_set(GIT_ERROR_OS, "file `%s` too large to mmap", path);
+		result = -1;
+		goto out;
+	}
+
+	result = git_futils_mmap_ro(out, fd, 0, (size_t)len);
+out:
+	p_close(fd);
+	return result;
+}
+
+void git_futils_mmap_free(git_map *out)
+{
+	p_munmap(out);
+}
+
+GIT_INLINE(int) mkdir_validate_dir(
+	const char *path,
+	struct stat *st,
+	mode_t mode,
+	uint32_t flags,
+	struct git_futils_mkdir_options *opts)
+{
+	/* with exclusive create, existing dir is an error */
+	if ((flags & GIT_MKDIR_EXCL) != 0) {
+		git_error_set(GIT_ERROR_FILESYSTEM,
+			"failed to make directory '%s': directory exists", path);
+		return GIT_EEXISTS;
+	}
+
+	if ((S_ISREG(st->st_mode) && (flags & GIT_MKDIR_REMOVE_FILES)) ||
+		(S_ISLNK(st->st_mode) && (flags & GIT_MKDIR_REMOVE_SYMLINKS))) {
+		if (p_unlink(path) < 0) {
+			git_error_set(GIT_ERROR_OS, "failed to remove %s '%s'",
+				S_ISLNK(st->st_mode) ? "symlink" : "file", path);
+			return GIT_EEXISTS;
+		}
+
+		opts->perfdata.mkdir_calls++;
+
+		if (p_mkdir(path, mode) < 0) {
+			git_error_set(GIT_ERROR_OS, "failed to make directory '%s'", path);
+			return GIT_EEXISTS;
+		}
+	}
+
+	else if (S_ISLNK(st->st_mode)) {
+		/* Re-stat the target, make sure it's a directory */
+		opts->perfdata.stat_calls++;
+
+		if (p_stat(path, st) < 0) {
+			git_error_set(GIT_ERROR_OS, "failed to make directory '%s'", path);
+			return GIT_EEXISTS;
+		}
+	}
+
+	else if (!S_ISDIR(st->st_mode)) {
+		git_error_set(GIT_ERROR_FILESYSTEM,
+			"failed to make directory '%s': directory exists", path);
+		return GIT_EEXISTS;
+	}
+
+	return 0;
+}
+
+GIT_INLINE(int) mkdir_validate_mode(
+	const char *path,
+	struct stat *st,
+	bool terminal_path,
+	mode_t mode,
+	uint32_t flags,
+	struct git_futils_mkdir_options *opts)
+{
+	if (((terminal_path && (flags & GIT_MKDIR_CHMOD) != 0) ||
+		(flags & GIT_MKDIR_CHMOD_PATH) != 0) && st->st_mode != mode) {
+
+		opts->perfdata.chmod_calls++;
+
+		if (p_chmod(path, mode) < 0) {
+			git_error_set(GIT_ERROR_OS, "failed to set permissions on '%s'", path);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+GIT_INLINE(int) mkdir_canonicalize(
+	git_buf *path,
+	uint32_t flags)
+{
+	ssize_t root_len;
+
+	if (path->size == 0) {
+		git_error_set(GIT_ERROR_OS, "attempt to create empty path");
+		return -1;
+	}
+
+	/* Trim trailing slashes (except the root) */
+	if ((root_len = git_path_root(path->ptr)) < 0)
+		root_len = 0;
+	else
+		root_len++;
+
+	while (path->size > (size_t)root_len && path->ptr[path->size - 1] == '/')
+		path->ptr[--path->size] = '\0';
+
+	/* if we are not supposed to made the last element, truncate it */
+	if ((flags & GIT_MKDIR_SKIP_LAST2) != 0) {
+		git_path_dirname_r(path, path->ptr);
+		flags |= GIT_MKDIR_SKIP_LAST;
+	}
+	if ((flags & GIT_MKDIR_SKIP_LAST) != 0) {
+		git_path_dirname_r(path, path->ptr);
+	}
+
+	/* We were either given the root path (or trimmed it to
+	* the root), we don't have anything to do.
+	*/
+	if (path->size <= (size_t)root_len)
+		git_buf_clear(path);
+
+	return 0;
+}
+
+int git_futils_mkdir(
+	const char *path,
+	mode_t mode,
+	uint32_t flags)
+{
+	git_buf make_path = GIT_BUF_INIT, parent_path = GIT_BUF_INIT;
+	const char *relative;
+	struct git_futils_mkdir_options opts = { 0 };
+	struct stat st;
+	size_t depth = 0;
+	int len = 0, root_len, error;
+
+	if ((error = git_buf_puts(&make_path, path)) < 0 ||
+		(error = mkdir_canonicalize(&make_path, flags)) < 0 ||
+		(error = git_buf_puts(&parent_path, make_path.ptr)) < 0 ||
+		make_path.size == 0)
+		goto done;
+
+	root_len = git_path_root(make_path.ptr);
+
+	/* find the first parent directory that exists.  this will be used
+	 * as the base to dirname_relative.
+	 */
+	for (relative = make_path.ptr; parent_path.size; ) {
+		error = p_lstat(parent_path.ptr, &st);
+
+		if (error == 0) {
+			break;
+		} else if (errno != ENOENT) {
+			git_error_set(GIT_ERROR_OS, "failed to stat '%s'", parent_path.ptr);
+			goto done;
+		}
+
+		depth++;
+
+		/* examine the parent of the current path */
+		if ((len = git_path_dirname_r(&parent_path, parent_path.ptr)) < 0) {
+			error = len;
+			goto done;
+		}
+
+		assert(len);
+
+		/*
+		 * We've walked all the given path's parents and it's either relative
+		 * (the parent is simply '.') or rooted (the length is less than or
+		 * equal to length of the root path).  The path may be less than the
+		 * root path length on Windows, where `C:` == `C:/`.
+		 */
+		if ((len == 1 && parent_path.ptr[0] == '.') ||
+		    (len == 1 && parent_path.ptr[0] == '/') ||
+		    len <= root_len) {
+			relative = make_path.ptr;
+			break;
+		}
+
+		relative = make_path.ptr + len + 1;
+
+		/* not recursive? just make this directory relative to its parent. */
+		if ((flags & GIT_MKDIR_PATH) == 0)
+			break;
+	}
+
+	/* we found an item at the location we're trying to create,
+	 * validate it.
+	 */
+	if (depth == 0) {
+		error = mkdir_validate_dir(make_path.ptr, &st, mode, flags, &opts);
+
+		if (!error)
+			error = mkdir_validate_mode(
+				make_path.ptr, &st, true, mode, flags, &opts);
+
+		goto done;
+	}
+
+	/* we already took `SKIP_LAST` and `SKIP_LAST2` into account when
+	 * canonicalizing `make_path`.
+	 */
+	flags &= ~(GIT_MKDIR_SKIP_LAST2 | GIT_MKDIR_SKIP_LAST);
+
+	error = git_futils_mkdir_relative(relative,
+		parent_path.size ? parent_path.ptr : NULL, mode, flags, &opts);
+
+done:
+	git_buf_dispose(&make_path);
+	git_buf_dispose(&parent_path);
+	return error;
+}
+
+int git_futils_mkdir_r(const char *path, const mode_t mode)
+{
+	return git_futils_mkdir(path, mode, GIT_MKDIR_PATH);
+}
+
+int git_futils_mkdir_relative(
+	const char *relative_path,
+	const char *base,
+	mode_t mode,
+	uint32_t flags,
+	struct git_futils_mkdir_options *opts)
+{
+	git_buf make_path = GIT_BUF_INIT;
+	ssize_t root = 0, min_root_len;
+	char lastch = '/', *tail;
+	struct stat st;
+	struct git_futils_mkdir_options empty_opts = {0};
+	int error;
+
+	if (!opts)
+		opts = &empty_opts;
+
+	/* build path and find "root" where we should start calling mkdir */
+	if (git_path_join_unrooted(&make_path, relative_path, base, &root) < 0)
+		return -1;
+
+	if ((error = mkdir_canonicalize(&make_path, flags)) < 0 ||
+		make_path.size == 0)
+		goto done;
+
+	/* if we are not supposed to make the whole path, reset root */
+	if ((flags & GIT_MKDIR_PATH) == 0)
+		root = git_buf_rfind(&make_path, '/');
+
+	/* advance root past drive name or network mount prefix */
+	min_root_len = git_path_root(make_path.ptr);
+	if (root < min_root_len)
+		root = min_root_len;
+	while (root >= 0 && make_path.ptr[root] == '/')
+		++root;
+
+	/* clip root to make_path length */
+	if (root > (ssize_t)make_path.size)
+		root = (ssize_t)make_path.size; /* i.e. NUL byte of string */
+	if (root < 0)
+		root = 0;
+
+	/* walk down tail of path making each directory */
+	for (tail = &make_path.ptr[root]; *tail; *tail = lastch) {
+		bool mkdir_attempted = false;
+
+		/* advance tail to include next path component */
+		while (*tail == '/')
+			tail++;
+		while (*tail && *tail != '/')
+			tail++;
+
+		/* truncate path at next component */
+		lastch = *tail;
+		*tail = '\0';
+		st.st_mode = 0;
+
+		if (opts->dir_map && git_strmap_exists(opts->dir_map, make_path.ptr))
+			continue;
+
+		/* See what's going on with this path component */
+		opts->perfdata.stat_calls++;
+
+retry_lstat:
+		if (p_lstat(make_path.ptr, &st) < 0) {
+			if (mkdir_attempted || errno != ENOENT) {
+				git_error_set(GIT_ERROR_OS, "cannot access component in path '%s'", make_path.ptr);
+				error = -1;
+				goto done;
+			}
+
+			git_error_clear();
+			opts->perfdata.mkdir_calls++;
+			mkdir_attempted = true;
+			if (p_mkdir(make_path.ptr, mode) < 0) {
+				if (errno == EEXIST)
+					goto retry_lstat;
+				git_error_set(GIT_ERROR_OS, "failed to make directory '%s'", make_path.ptr);
+				error = -1;
+				goto done;
+			}
+		} else {
+			if ((error = mkdir_validate_dir(
+				make_path.ptr, &st, mode, flags, opts)) < 0)
+				goto done;
+		}
+
+		/* chmod if requested and necessary */
+		if ((error = mkdir_validate_mode(
+			make_path.ptr, &st, (lastch == '\0'), mode, flags, opts)) < 0)
+			goto done;
+
+		if (opts->dir_map && opts->pool) {
+			char *cache_path;
+			size_t alloc_size;
+
+			GIT_ERROR_CHECK_ALLOC_ADD(&alloc_size, make_path.size, 1);
+			cache_path = git_pool_malloc(opts->pool, alloc_size);
+			GIT_ERROR_CHECK_ALLOC(cache_path);
+
+			memcpy(cache_path, make_path.ptr, make_path.size + 1);
+
+			if ((error = git_strmap_set(opts->dir_map, cache_path, cache_path)) < 0)
+				goto done;
+		}
+	}
+
+	error = 0;
+
+	/* check that full path really is a directory if requested & needed */
+	if ((flags & GIT_MKDIR_VERIFY_DIR) != 0 &&
+		lastch != '\0') {
+		opts->perfdata.stat_calls++;
+
+		if (p_stat(make_path.ptr, &st) < 0 || !S_ISDIR(st.st_mode)) {
+			git_error_set(GIT_ERROR_OS, "path is not a directory '%s'",
+				make_path.ptr);
+			error = GIT_ENOTFOUND;
+		}
+	}
+
+done:
+	git_buf_dispose(&make_path);
+	return error;
+}
+
+typedef struct {
+	const char *base;
+	size_t baselen;
+	uint32_t flags;
+	int depth;
+} futils__rmdir_data;
+
+#define FUTILS_MAX_DEPTH 100
+
+static int futils__error_cannot_rmdir(const char *path, const char *filemsg)
+{
+	if (filemsg)
+		git_error_set(GIT_ERROR_OS, "could not remove directory '%s': %s",
+				   path, filemsg);
+	else
+		git_error_set(GIT_ERROR_OS, "could not remove directory '%s'", path);
+
+	return -1;
+}
+
+static int futils__rm_first_parent(git_buf *path, const char *ceiling)
+{
+	int error = GIT_ENOTFOUND;
+	struct stat st;
+
+	while (error == GIT_ENOTFOUND) {
+		git_buf_rtruncate_at_char(path, '/');
+
+		if (!path->size || git__prefixcmp(path->ptr, ceiling) != 0)
+			error = 0;
+		else if (p_lstat_posixly(path->ptr, &st) == 0) {
+			if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
+				error = p_unlink(path->ptr);
+			else if (!S_ISDIR(st.st_mode))
+				error = -1; /* fail to remove non-regular file */
+		} else if (errno != ENOTDIR)
+			error = -1;
+	}
+
+	if (error)
+		futils__error_cannot_rmdir(path->ptr, "cannot remove parent");
+
+	return error;
+}
+
+static int futils__rmdir_recurs_foreach(void *opaque, git_buf *path)
+{
+	int error = 0;
+	futils__rmdir_data *data = opaque;
+	struct stat st;
+
+	if (data->depth > FUTILS_MAX_DEPTH)
+		error = futils__error_cannot_rmdir(
+			path->ptr, "directory nesting too deep");
+
+	else if ((error = p_lstat_posixly(path->ptr, &st)) < 0) {
+		if (errno == ENOENT)
+			error = 0;
+		else if (errno == ENOTDIR) {
+			/* asked to remove a/b/c/d/e and a/b is a normal file */
+			if ((data->flags & GIT_RMDIR_REMOVE_BLOCKERS) != 0)
+				error = futils__rm_first_parent(path, data->base);
+			else
+				futils__error_cannot_rmdir(
+					path->ptr, "parent is not directory");
+		}
+		else
+			error = git_path_set_error(errno, path->ptr, "rmdir");
+	}
+
+	else if (S_ISDIR(st.st_mode)) {
+		data->depth++;
+
+		error = git_path_direach(path, 0, futils__rmdir_recurs_foreach, data);
+
+		data->depth--;
+
+		if (error < 0)
+			return error;
+
+		if (data->depth == 0 && (data->flags & GIT_RMDIR_SKIP_ROOT) != 0)
+			return error;
+
+		if ((error = p_rmdir(path->ptr)) < 0) {
+			if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) != 0 &&
+				(errno == ENOTEMPTY || errno == EEXIST || errno == EBUSY))
+				error = 0;
+			else
+				error = git_path_set_error(errno, path->ptr, "rmdir");
+		}
+	}
+
+	else if ((data->flags & GIT_RMDIR_REMOVE_FILES) != 0) {
+		if (p_unlink(path->ptr) < 0)
+			error = git_path_set_error(errno, path->ptr, "remove");
+	}
+
+	else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0)
+		error = futils__error_cannot_rmdir(path->ptr, "still present");
+
+	return error;
+}
+
+static int futils__rmdir_empty_parent(void *opaque, const char *path)
+{
+	futils__rmdir_data *data = opaque;
+	int error = 0;
+
+	if (strlen(path) <= data->baselen)
+		error = GIT_ITEROVER;
+
+	else if (p_rmdir(path) < 0) {
+		int en = errno;
+
+		if (en == ENOENT || en == ENOTDIR) {
+			/* do nothing */
+		} else if ((data->flags & GIT_RMDIR_SKIP_NONEMPTY) == 0 &&
+			en == EBUSY) {
+			error = git_path_set_error(errno, path, "rmdir");
+		} else if (en == ENOTEMPTY || en == EEXIST || en == EBUSY) {
+			error = GIT_ITEROVER;
+		} else {
+			error = git_path_set_error(errno, path, "rmdir");
+		}
+	}
+
+	return error;
+}
+
+int git_futils_rmdir_r(
+	const char *path, const char *base, uint32_t flags)
+{
+	int error;
+	git_buf fullpath = GIT_BUF_INIT;
+	futils__rmdir_data data;
+
+	/* build path and find "root" where we should start calling mkdir */
+	if (git_path_join_unrooted(&fullpath, path, base, NULL) < 0)
+		return -1;
+
+	memset(&data, 0, sizeof(data));
+	data.base    = base ? base : "";
+	data.baselen = base ? strlen(base) : 0;
+	data.flags   = flags;
+
+	error = futils__rmdir_recurs_foreach(&data, &fullpath);
+
+	/* remove now-empty parents if requested */
+	if (!error && (flags & GIT_RMDIR_EMPTY_PARENTS) != 0)
+		error = git_path_walk_up(
+			&fullpath, base, futils__rmdir_empty_parent, &data);
+
+	if (error == GIT_ITEROVER) {
+		git_error_clear();
+		error = 0;
+	}
+
+	git_buf_dispose(&fullpath);
+
+	return error;
+}
+
+int git_futils_fake_symlink(const char *old, const char *new)
+{
+	int retcode = GIT_ERROR;
+	int fd = git_futils_creat_withpath(new, 0755, 0644);
+	if (fd >= 0) {
+		retcode = p_write(fd, old, strlen(old));
+		p_close(fd);
+	}
+	return retcode;
+}
+
+static int cp_by_fd(int ifd, int ofd, bool close_fd_when_done)
+{
+	int error = 0;
+	char buffer[FILEIO_BUFSIZE];
+	ssize_t len = 0;
+
+	while (!error && (len = p_read(ifd, buffer, sizeof(buffer))) > 0)
+		/* p_write() does not have the same semantics as write().  It loops
+		 * internally and will return 0 when it has completed writing.
+		 */
+		error = p_write(ofd, buffer, len);
+
+	if (len < 0) {
+		git_error_set(GIT_ERROR_OS, "read error while copying file");
+		error = (int)len;
+	}
+
+	if (error < 0)
+		git_error_set(GIT_ERROR_OS, "write error while copying file");
+
+	if (close_fd_when_done) {
+		p_close(ifd);
+		p_close(ofd);
+	}
+
+	return error;
+}
+
+int git_futils_cp(const char *from, const char *to, mode_t filemode)
+{
+	int ifd, ofd;
+
+	if ((ifd = git_futils_open_ro(from)) < 0)
+		return ifd;
+
+	if ((ofd = p_open(to, O_WRONLY | O_CREAT | O_EXCL, filemode)) < 0) {
+		p_close(ifd);
+		return git_path_set_error(errno, to, "open for writing");
+	}
+
+	return cp_by_fd(ifd, ofd, true);
+}
+
+int git_futils_touch(const char *path, time_t *when)
+{
+	struct p_timeval times[2];
+	int ret;
+
+	times[0].tv_sec =  times[1].tv_sec  = when ? *when : time(NULL);
+	times[0].tv_usec = times[1].tv_usec = 0;
+
+	ret = p_utimes(path, times);
+
+	return (ret < 0) ? git_path_set_error(errno, path, "touch") : 0;
+}
+
+static int cp_link(const char *from, const char *to, size_t link_size)
+{
+	int error = 0;
+	ssize_t read_len;
+	char *link_data;
+	size_t alloc_size;
+
+	GIT_ERROR_CHECK_ALLOC_ADD(&alloc_size, link_size, 1);
+	link_data = git__malloc(alloc_size);
+	GIT_ERROR_CHECK_ALLOC(link_data);
+
+	read_len = p_readlink(from, link_data, link_size);
+	if (read_len != (ssize_t)link_size) {
+		git_error_set(GIT_ERROR_OS, "failed to read symlink data for '%s'", from);
+		error = -1;
+	}
+	else {
+		link_data[read_len] = '\0';
+
+		if (p_symlink(link_data, to) < 0) {
+			git_error_set(GIT_ERROR_OS, "could not symlink '%s' as '%s'",
+				link_data, to);
+			error = -1;
+		}
+	}
+
+	git__free(link_data);
+	return error;
+}
+
+typedef struct {
+	const char *to_root;
+	git_buf to;
+	ssize_t from_prefix;
+	uint32_t flags;
+	uint32_t mkdir_flags;
+	mode_t dirmode;
+} cp_r_info;
+
+#define GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT (1u << 10)
+
+static int _cp_r_mkdir(cp_r_info *info, git_buf *from)
+{
+	int error = 0;
+
+	/* create root directory the first time we need to create a directory */
+	if ((info->flags & GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT) == 0) {
+		error = git_futils_mkdir(
+			info->to_root, info->dirmode,
+			(info->flags & GIT_CPDIR_CHMOD_DIRS) ? GIT_MKDIR_CHMOD : 0);
+
+		info->flags |= GIT_CPDIR__MKDIR_DONE_FOR_TO_ROOT;
+	}
+
+	/* create directory with root as base to prevent excess chmods */
+	if (!error)
+		error = git_futils_mkdir_relative(
+			from->ptr + info->from_prefix, info->to_root,
+			info->dirmode, info->mkdir_flags, NULL);
+
+	return error;
+}
+
+static int _cp_r_callback(void *ref, git_buf *from)
+{
+	int error = 0;
+	cp_r_info *info = ref;
+	struct stat from_st, to_st;
+	bool exists = false;
+
+	if ((info->flags & GIT_CPDIR_COPY_DOTFILES) == 0 &&
+		from->ptr[git_path_basename_offset(from)] == '.')
+		return 0;
+
+	if ((error = git_buf_joinpath(
+			&info->to, info->to_root, from->ptr + info->from_prefix)) < 0)
+		return error;
+
+	if (!(error = git_path_lstat(info->to.ptr, &to_st)))
+		exists = true;
+	else if (error != GIT_ENOTFOUND)
+		return error;
+	else {
+		git_error_clear();
+		error = 0;
+	}
+
+	if ((error = git_path_lstat(from->ptr, &from_st)) < 0)
+		return error;
+
+	if (S_ISDIR(from_st.st_mode)) {
+		mode_t oldmode = info->dirmode;
+
+		/* if we are not chmod'ing, then overwrite dirmode */
+		if ((info->flags & GIT_CPDIR_CHMOD_DIRS) == 0)
+			info->dirmode = from_st.st_mode;
+
+		/* make directory now if CREATE_EMPTY_DIRS is requested and needed */
+		if (!exists && (info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) != 0)
+			error = _cp_r_mkdir(info, from);
+
+		/* recurse onto target directory */
+		if (!error && (!exists || S_ISDIR(to_st.st_mode)))
+			error = git_path_direach(from, 0, _cp_r_callback, info);
+
+		if (oldmode != 0)
+			info->dirmode = oldmode;
+
+		return error;
+	}
+
+	if (exists) {
+		if ((info->flags & GIT_CPDIR_OVERWRITE) == 0)
+			return 0;
+
+		if (p_unlink(info->to.ptr) < 0) {
+			git_error_set(GIT_ERROR_OS, "cannot overwrite existing file '%s'",
+				info->to.ptr);
+			return GIT_EEXISTS;
+		}
+	}
+
+	/* Done if this isn't a regular file or a symlink */
+	if (!S_ISREG(from_st.st_mode) &&
+		(!S_ISLNK(from_st.st_mode) ||
+		 (info->flags & GIT_CPDIR_COPY_SYMLINKS) == 0))
+		return 0;
+
+	/* Make container directory on demand if needed */
+	if ((info->flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0 &&
+		(error = _cp_r_mkdir(info, from)) < 0)
+		return error;
+
+	/* make symlink or regular file */
+	if (info->flags & GIT_CPDIR_LINK_FILES) {
+		if ((error = p_link(from->ptr, info->to.ptr)) < 0)
+			git_error_set(GIT_ERROR_OS, "failed to link '%s'", from->ptr);
+	} else if (S_ISLNK(from_st.st_mode)) {
+		error = cp_link(from->ptr, info->to.ptr, (size_t)from_st.st_size);
+	} else {
+		mode_t usemode = from_st.st_mode;
+
+		if ((info->flags & GIT_CPDIR_SIMPLE_TO_MODE) != 0)
+			usemode = GIT_PERMS_FOR_WRITE(usemode);
+
+		error = git_futils_cp(from->ptr, info->to.ptr, usemode);
+	}
+
+	return error;
+}
+
+int git_futils_cp_r(
+	const char *from,
+	const char *to,
+	uint32_t flags,
+	mode_t dirmode)
+{
+	int error;
+	git_buf path = GIT_BUF_INIT;
+	cp_r_info info;
+
+	if (git_buf_joinpath(&path, from, "") < 0) /* ensure trailing slash */
+		return -1;
+
+	memset(&info, 0, sizeof(info));
+	info.to_root = to;
+	info.flags   = flags;
+	info.dirmode = dirmode;
+	info.from_prefix = path.size;
+	git_buf_init(&info.to, 0);
+
+	/* precalculate mkdir flags */
+	if ((flags & GIT_CPDIR_CREATE_EMPTY_DIRS) == 0) {
+		/* if not creating empty dirs, then use mkdir to create the path on
+		 * demand right before files are copied.
+		 */
+		info.mkdir_flags = GIT_MKDIR_PATH | GIT_MKDIR_SKIP_LAST;
+		if ((flags & GIT_CPDIR_CHMOD_DIRS) != 0)
+			info.mkdir_flags |= GIT_MKDIR_CHMOD_PATH;
+	} else {
+		/* otherwise, we will do simple mkdir as directories are encountered */
+		info.mkdir_flags =
+			((flags & GIT_CPDIR_CHMOD_DIRS) != 0) ? GIT_MKDIR_CHMOD : 0;
+	}
+
+	error = _cp_r_callback(&info, &path);
+
+	git_buf_dispose(&path);
+	git_buf_dispose(&info.to);
+
+	return error;
+}
+
+int git_futils_filestamp_check(
+	git_futils_filestamp *stamp, const char *path)
+{
+	struct stat st;
+
+	/* if the stamp is NULL, then always reload */
+	if (stamp == NULL)
+		return 1;
+
+	if (p_stat(path, &st) < 0)
+		return GIT_ENOTFOUND;
+
+	if (stamp->mtime.tv_sec == st.st_mtime &&
+#if defined(GIT_USE_NSEC)
+		stamp->mtime.tv_nsec == st.st_mtime_nsec &&
+#endif
+		stamp->size  == (git_off_t)st.st_size   &&
+		stamp->ino   == (unsigned int)st.st_ino)
+		return 0;
+
+	stamp->mtime.tv_sec = st.st_mtime;
+#if defined(GIT_USE_NSEC)
+	stamp->mtime.tv_nsec = st.st_mtime_nsec;
+#endif
+	stamp->size  = (git_off_t)st.st_size;
+	stamp->ino   = (unsigned int)st.st_ino;
+
+	return 1;
+}
+
+void git_futils_filestamp_set(
+	git_futils_filestamp *target, const git_futils_filestamp *source)
+{
+	assert(target);
+
+	if (source)
+		memcpy(target, source, sizeof(*target));
+	else
+		memset(target, 0, sizeof(*target));
+}
+
+
+void git_futils_filestamp_set_from_stat(
+	git_futils_filestamp *stamp, struct stat *st)
+{
+	if (st) {
+		stamp->mtime.tv_sec = st->st_mtime;
+#if defined(GIT_USE_NSEC)
+		stamp->mtime.tv_nsec = st->st_mtime_nsec;
+#else
+		stamp->mtime.tv_nsec = 0;
+#endif
+		stamp->size  = (git_off_t)st->st_size;
+		stamp->ino   = (unsigned int)st->st_ino;
+	} else {
+		memset(stamp, 0, sizeof(*stamp));
+	}
+}
+
+int git_futils_fsync_dir(const char *path)
+{
+#ifdef GIT_WIN32
+	GIT_UNUSED(path);
+	return 0;
+#else
+	int fd, error = -1;
+
+	if ((fd = p_open(path, O_RDONLY)) < 0) {
+		git_error_set(GIT_ERROR_OS, "failed to open directory '%s' for fsync", path);
+		return -1;
+	}
+
+	if ((error = p_fsync(fd)) < 0)
+		git_error_set(GIT_ERROR_OS, "failed to fsync directory '%s'", path);
+
+	p_close(fd);
+	return error;
+#endif
+}
+
+int git_futils_fsync_parent(const char *path)
+{
+	char *parent;
+	int error;
+
+	if ((parent = git_path_dirname(path)) == NULL)
+		return -1;
+
+	error = git_futils_fsync_dir(parent);
+	git__free(parent);
+	return error;
+}
diff --git a/src/futils.h b/src/futils.h
new file mode 100644
index 0000000..1e2d3f9
--- /dev/null
+++ b/src/futils.h
@@ -0,0 +1,390 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_futils_h__
+#define INCLUDE_futils_h__
+
+#include "common.h"
+
+#include "map.h"
+#include "posix.h"
+#include "path.h"
+#include "pool.h"
+#include "strmap.h"
+#include "oid.h"
+
+/**
+ * Filebuffer methods
+ *
+ * Read whole files into an in-memory buffer for processing
+ */
+extern int git_futils_readbuffer(git_buf *obj, const char *path);
+extern int git_futils_readbuffer_updated(
+	git_buf *obj, const char *path, git_oid *checksum, int *updated);
+extern int git_futils_readbuffer_fd(git_buf *obj, git_file fd, size_t len);
+
+/* Additional constants for `git_futils_writebuffer`'s `open_flags`.  We
+ * support these internally and they will be removed before the `open` call.
+ */
+#ifndef O_FSYNC
+# define O_FSYNC (1 << 31)
+#endif
+
+extern int git_futils_writebuffer(
+	const git_buf *buf, const char *path, int open_flags, mode_t mode);
+
+/**
+ * File utils
+ *
+ * These are custom filesystem-related helper methods. They are
+ * rather high level, and wrap the underlying POSIX methods
+ *
+ * All these methods return 0 on success,
+ * or an error code on failure and an error message is set.
+ */
+
+/**
+ * Create and open a file, while also
+ * creating all the folders in its path
+ */
+extern int git_futils_creat_withpath(const char *path, const mode_t dirmode, const mode_t mode);
+
+/**
+ * Create and open a process-locked file
+ */
+extern int git_futils_creat_locked(const char *path, const mode_t mode);
+
+/**
+ * Create and open a process-locked file, while
+ * also creating all the folders in its path
+ */
+extern int git_futils_creat_locked_withpath(const char *path, const mode_t dirmode, const mode_t mode);
+
+/**
+ * Create a path recursively.
+ */
+extern int git_futils_mkdir_r(const char *path, const mode_t mode);
+
+/**
+ * Flags to pass to `git_futils_mkdir`.
+ *
+ * * GIT_MKDIR_EXCL is "exclusive" - i.e. generate an error if dir exists.
+ * * GIT_MKDIR_PATH says to make all components in the path.
+ * * GIT_MKDIR_CHMOD says to chmod the final directory entry after creation
+ * * GIT_MKDIR_CHMOD_PATH says to chmod each directory component in the path
+ * * GIT_MKDIR_SKIP_LAST says to leave off the last element of the path
+ * * GIT_MKDIR_SKIP_LAST2 says to leave off the last 2 elements of the path
+ * * GIT_MKDIR_VERIFY_DIR says confirm final item is a dir, not just EEXIST
+ * * GIT_MKDIR_REMOVE_FILES says to remove files and recreate dirs
+ * * GIT_MKDIR_REMOVE_SYMLINKS says to remove symlinks and recreate dirs
+ *
+ * Note that the chmod options will be executed even if the directory already
+ * exists, unless GIT_MKDIR_EXCL is given.
+ */
+typedef enum {
+	GIT_MKDIR_EXCL = 1,
+	GIT_MKDIR_PATH = 2,
+	GIT_MKDIR_CHMOD = 4,
+	GIT_MKDIR_CHMOD_PATH = 8,
+	GIT_MKDIR_SKIP_LAST = 16,
+	GIT_MKDIR_SKIP_LAST2 = 32,
+	GIT_MKDIR_VERIFY_DIR = 64,
+	GIT_MKDIR_REMOVE_FILES = 128,
+	GIT_MKDIR_REMOVE_SYMLINKS = 256,
+} git_futils_mkdir_flags;
+
+struct git_futils_mkdir_perfdata
+{
+	size_t stat_calls;
+	size_t mkdir_calls;
+	size_t chmod_calls;
+};
+
+struct git_futils_mkdir_options
+{
+	git_strmap *dir_map;
+	git_pool *pool;
+	struct git_futils_mkdir_perfdata perfdata;
+};
+
+/**
+ * Create a directory or entire path.
+ *
+ * This makes a directory (and the entire path leading up to it if requested),
+ * and optionally chmods the directory immediately after (or each part of the
+ * path if requested).
+ *
+ * @param path The path to create, relative to base.
+ * @param base Root for relative path.  These directories will never be made.
+ * @param mode The mode to use for created directories.
+ * @param flags Combination of the mkdir flags above.
+ * @param opts Extended options, or null.
+ * @return 0 on success, else error code
+ */
+extern int git_futils_mkdir_relative(const char *path, const char *base, mode_t mode, uint32_t flags, struct git_futils_mkdir_options *opts);
+
+/**
+ * Create a directory or entire path.  Similar to `git_futils_mkdir_relative`
+ * without performance data.
+ */
+extern int git_futils_mkdir(const char *path, mode_t mode, uint32_t flags);
+
+/**
+ * Create all the folders required to contain
+ * the full path of a file
+ */
+extern int git_futils_mkpath2file(const char *path, const mode_t mode);
+
+/**
+ * Flags to pass to `git_futils_rmdir_r`.
+ *
+ * * GIT_RMDIR_EMPTY_HIERARCHY - the default; remove hierarchy of empty
+ *       dirs and generate error if any files are found.
+ * * GIT_RMDIR_REMOVE_FILES    - attempt to remove files in the hierarchy.
+ * * GIT_RMDIR_SKIP_NONEMPTY   - skip non-empty directories with no error.
+ * * GIT_RMDIR_EMPTY_PARENTS   - remove containing directories up to base
+ *       if removing this item leaves them empty
+ * * GIT_RMDIR_REMOVE_BLOCKERS - remove blocking file that causes ENOTDIR
+ * * GIT_RMDIR_SKIP_ROOT       - don't remove root directory itself
+ */
+typedef enum {
+	GIT_RMDIR_EMPTY_HIERARCHY = 0,
+	GIT_RMDIR_REMOVE_FILES    = (1 << 0),
+	GIT_RMDIR_SKIP_NONEMPTY   = (1 << 1),
+	GIT_RMDIR_EMPTY_PARENTS   = (1 << 2),
+	GIT_RMDIR_REMOVE_BLOCKERS = (1 << 3),
+	GIT_RMDIR_SKIP_ROOT       = (1 << 4),
+} git_futils_rmdir_flags;
+
+/**
+ * Remove path and any files and directories beneath it.
+ *
+ * @param path Path to the top level directory to process.
+ * @param base Root for relative path.
+ * @param flags Combination of git_futils_rmdir_flags values
+ * @return 0 on success; -1 on error.
+ */
+extern int git_futils_rmdir_r(const char *path, const char *base, uint32_t flags);
+
+/**
+ * Create and open a temporary file with a `_git2_` suffix.
+ * Writes the filename into path_out.
+ * @return On success, an open file descriptor, else an error code < 0.
+ */
+extern int git_futils_mktmp(git_buf *path_out, const char *filename, mode_t mode);
+
+/**
+ * Move a file on the filesystem, create the
+ * destination path if it doesn't exist
+ */
+extern int git_futils_mv_withpath(const char *from, const char *to, const mode_t dirmode);
+
+/**
+ * Copy a file
+ *
+ * The filemode will be used for the newly created file.
+ */
+extern int git_futils_cp(
+	const char *from,
+	const char *to,
+	mode_t filemode);
+
+/**
+ * Set the files atime and mtime to the given time, or the current time
+ * if `ts` is NULL.
+ */
+extern int git_futils_touch(const char *path, time_t *when);
+
+/**
+ * Flags that can be passed to `git_futils_cp_r`.
+ *
+ * - GIT_CPDIR_CREATE_EMPTY_DIRS: create directories even if there are no
+ *   files under them (otherwise directories will only be created lazily
+ *   when a file inside them is copied).
+ * - GIT_CPDIR_COPY_SYMLINKS: copy symlinks, otherwise they are ignored.
+ * - GIT_CPDIR_COPY_DOTFILES: copy files with leading '.', otherwise ignored.
+ * - GIT_CPDIR_OVERWRITE: overwrite pre-existing files with source content,
+ *   otherwise they are silently skipped.
+ * - GIT_CPDIR_CHMOD_DIRS: explicitly chmod directories to `dirmode`
+ * - GIT_CPDIR_SIMPLE_TO_MODE: default tries to replicate the mode of the
+ *   source file to the target; with this flag, always use 0666 (or 0777 if
+ *   source has exec bits set) for target.
+ * - GIT_CPDIR_LINK_FILES will try to use hardlinks for the files
+ */
+typedef enum {
+	GIT_CPDIR_CREATE_EMPTY_DIRS = (1u << 0),
+	GIT_CPDIR_COPY_SYMLINKS     = (1u << 1),
+	GIT_CPDIR_COPY_DOTFILES     = (1u << 2),
+	GIT_CPDIR_OVERWRITE         = (1u << 3),
+	GIT_CPDIR_CHMOD_DIRS        = (1u << 4),
+	GIT_CPDIR_SIMPLE_TO_MODE    = (1u << 5),
+	GIT_CPDIR_LINK_FILES        = (1u << 6),
+} git_futils_cpdir_flags;
+
+/**
+ * Copy a directory tree.
+ *
+ * This copies directories and files from one root to another.  You can
+ * pass a combinationof GIT_CPDIR flags as defined above.
+ *
+ * If you pass the CHMOD flag, then the dirmode will be applied to all
+ * directories that are created during the copy, overiding the natural
+ * permissions.  If you do not pass the CHMOD flag, then the dirmode
+ * will actually be copied from the source files and the `dirmode` arg
+ * will be ignored.
+ */
+extern int git_futils_cp_r(
+	const char *from,
+	const char *to,
+	uint32_t flags,
+	mode_t dirmode);
+
+/**
+ * Open a file readonly and set error if needed.
+ */
+extern int git_futils_open_ro(const char *path);
+
+/**
+ * Truncate a file, creating it if it doesn't exist.
+ */
+extern int git_futils_truncate(const char *path, int mode);
+
+/**
+ * Get the filesize in bytes of a file
+ */
+extern git_off_t git_futils_filesize(git_file fd);
+
+#define GIT_PERMS_IS_EXEC(MODE)		(((MODE) & 0111) != 0)
+#define GIT_PERMS_CANONICAL(MODE)	(GIT_PERMS_IS_EXEC(MODE) ? 0755 : 0644)
+#define GIT_PERMS_FOR_WRITE(MODE)   (GIT_PERMS_IS_EXEC(MODE) ? 0777 : 0666)
+
+#define GIT_MODE_PERMS_MASK			0777
+#define GIT_MODE_TYPE_MASK			0170000
+#define GIT_MODE_TYPE(MODE)			((MODE) & GIT_MODE_TYPE_MASK)
+#define GIT_MODE_ISBLOB(MODE)		(GIT_MODE_TYPE(MODE) == GIT_MODE_TYPE(GIT_FILEMODE_BLOB))
+
+/**
+ * Convert a mode_t from the OS to a legal git mode_t value.
+ */
+extern mode_t git_futils_canonical_mode(mode_t raw_mode);
+
+
+/**
+ * Read-only map all or part of a file into memory.
+ * When possible this function should favor a virtual memory
+ * style mapping over some form of malloc()+read(), as the
+ * data access will be random and is not likely to touch the
+ * majority of the region requested.
+ *
+ * @param out buffer to populate with the mapping information.
+ * @param fd open descriptor to configure the mapping from.
+ * @param begin first byte to map, this should be page aligned.
+ * @param len number of bytes to map.
+ * @return
+ * - 0 on success;
+ * - -1 on error.
+ */
+extern int git_futils_mmap_ro(
+	git_map *out,
+	git_file fd,
+	git_off_t begin,
+	size_t len);
+
+/**
+ * Read-only map an entire file.
+ *
+ * @param out buffer to populate with the mapping information.
+ * @param path path to file to be opened.
+ * @return
+ * - 0 on success;
+ * - GIT_ENOTFOUND if not found;
+ * - -1 on an unspecified OS related error.
+ */
+extern int git_futils_mmap_ro_file(
+	git_map *out,
+	const char *path);
+
+/**
+ * Release the memory associated with a previous memory mapping.
+ * @param map the mapping description previously configured.
+ */
+extern void git_futils_mmap_free(git_map *map);
+
+/**
+ * Create a "fake" symlink (text file containing the target path).
+ *
+ * @param new symlink file to be created
+ * @param old original symlink target
+ * @return 0 on success, -1 on error
+ */
+extern int git_futils_fake_symlink(const char *new, const char *old);
+
+/**
+ * A file stamp represents a snapshot of information about a file that can
+ * be used to test if the file changes.  This portable implementation is
+ * based on stat data about that file, but it is possible that OS specific
+ * versions could be implemented in the future.
+ */
+typedef struct {
+	struct timespec mtime;
+	git_off_t  size;
+	unsigned int ino;
+} git_futils_filestamp;
+
+/**
+ * Compare stat information for file with reference info.
+ *
+ * This function updates the file stamp to current data for the given path
+ * and returns 0 if the file is up-to-date relative to the prior setting,
+ * 1 if the file has been changed, or GIT_ENOTFOUND if the file doesn't
+ * exist.  This will not call git_error_set, so you must set the error if you
+ * plan to return an error.
+ *
+ * @param stamp File stamp to be checked
+ * @param path Path to stat and check if changed
+ * @return 0 if up-to-date, 1 if out-of-date, GIT_ENOTFOUND if cannot stat
+ */
+extern int git_futils_filestamp_check(
+	git_futils_filestamp *stamp, const char *path);
+
+/**
+ * Set or reset file stamp data
+ *
+ * This writes the target file stamp.  If the source is NULL, this will set
+ * the target stamp to values that will definitely be out of date.  If the
+ * source is not NULL, this copies the source values to the target.
+ *
+ * @param tgt File stamp to write to
+ * @param src File stamp to copy from or NULL to clear the target
+ */
+extern void git_futils_filestamp_set(
+	git_futils_filestamp *tgt, const git_futils_filestamp *src);
+
+/**
+ * Set file stamp data from stat structure
+ */
+extern void git_futils_filestamp_set_from_stat(
+	git_futils_filestamp *stamp, struct stat *st);
+
+/**
+ * `fsync` the parent directory of the given path, if `fsync` is
+ * supported for directories on this platform.
+ *
+ * @param path Path of the directory to sync.
+ * @return 0 on success, -1 on error
+ */
+extern int git_futils_fsync_dir(const char *path);
+
+/**
+ * `fsync` the parent directory of the given path, if `fsync` is
+ * supported for directories on this platform.
+ *
+ * @param path Path of the file whose parent directory should be synced.
+ * @return 0 on success, -1 on error
+ */
+extern int git_futils_fsync_parent(const char *path);
+
+#endif
diff --git a/src/hashsig.c b/src/hashsig.c
index abebd7a..14ec34b 100644
--- a/src/hashsig.c
+++ b/src/hashsig.c
@@ -8,7 +8,7 @@
 #include "common.h"
 
 #include "git2/sys/hashsig.h"
-#include "fileops.h"
+#include "futils.h"
 #include "util.h"
 
 typedef uint32_t hashsig_t;
diff --git a/src/index.h b/src/index.h
index 982afed..54402f5 100644
--- a/src/index.h
+++ b/src/index.h
@@ -9,7 +9,7 @@
 
 #include "common.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "filebuf.h"
 #include "vector.h"
 #include "idxmap.h"
diff --git a/src/merge_file.c b/src/merge_file.c
index 0647a5d..23daa84 100644
--- a/src/merge_file.c
+++ b/src/merge_file.c
@@ -9,7 +9,7 @@
 
 #include "repository.h"
 #include "posix.h"
-#include "fileops.h"
+#include "futils.h"
 #include "index.h"
 #include "diff_xdiff.h"
 #include "merge.h"
diff --git a/src/mwindow.c b/src/mwindow.c
index 949e5fa..e834f76 100644
--- a/src/mwindow.c
+++ b/src/mwindow.c
@@ -8,7 +8,7 @@
 #include "mwindow.h"
 
 #include "vector.h"
-#include "fileops.h"
+#include "futils.h"
 #include "map.h"
 #include "global.h"
 #include "strmap.h"
diff --git a/src/odb.c b/src/odb.c
index 24befad..06e4930 100644
--- a/src/odb.c
+++ b/src/odb.c
@@ -10,7 +10,7 @@
 #include <zlib.h>
 #include "git2/object.h"
 #include "git2/sys/odb_backend.h"
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "delta.h"
 #include "filter.h"
diff --git a/src/odb_loose.c b/src/odb_loose.c
index 4b249b6..04b8165 100644
--- a/src/odb_loose.c
+++ b/src/odb_loose.c
@@ -10,7 +10,7 @@
 #include <zlib.h>
 #include "git2/object.h"
 #include "git2/sys/odb_backend.h"
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "odb.h"
 #include "delta.h"
diff --git a/src/odb_mempack.c b/src/odb_mempack.c
index fc23023..6728c6c 100644
--- a/src/odb_mempack.c
+++ b/src/odb_mempack.c
@@ -10,7 +10,7 @@
 #include "git2/object.h"
 #include "git2/sys/odb_backend.h"
 #include "git2/sys/mempack.h"
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "odb.h"
 #include "array.h"
diff --git a/src/odb_pack.c b/src/odb_pack.c
index bd760db..c93d07c 100644
--- a/src/odb_pack.c
+++ b/src/odb_pack.c
@@ -11,7 +11,7 @@
 #include "git2/repository.h"
 #include "git2/indexer.h"
 #include "git2/sys/odb_backend.h"
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "odb.h"
 #include "delta.h"
diff --git a/src/pack.c b/src/pack.c
index c9d5602..68eeb7b 100644
--- a/src/pack.c
+++ b/src/pack.c
@@ -11,7 +11,7 @@
 #include "delta.h"
 #include "sha1_lookup.h"
 #include "mwindow.h"
-#include "fileops.h"
+#include "futils.h"
 #include "oid.h"
 
 #include <zlib.h>
diff --git a/src/patch_generate.c b/src/patch_generate.c
index 5023bfe..18256d0 100644
--- a/src/patch_generate.c
+++ b/src/patch_generate.c
@@ -15,7 +15,7 @@
 #include "diff_xdiff.h"
 #include "delta.h"
 #include "zstream.h"
-#include "fileops.h"
+#include "futils.h"
 
 static void diff_output_init(
 	git_patch_generated_output *, const git_diff_options *, git_diff_file_cb,
diff --git a/src/reader.c b/src/reader.c
index 1a48446..2d87251 100644
--- a/src/reader.c
+++ b/src/reader.c
@@ -7,7 +7,7 @@
 
 #include "reader.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "blob.h"
 
 #include "git2/tree.h"
diff --git a/src/refdb_fs.c b/src/refdb_fs.c
index 09ec719..a20f1eb 100644
--- a/src/refdb_fs.c
+++ b/src/refdb_fs.c
@@ -10,7 +10,7 @@
 #include "refs.h"
 #include "hash.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 #include "filebuf.h"
 #include "pack.h"
 #include "reflog.h"
diff --git a/src/refs.c b/src/refs.c
index fd407b3..0778430 100644
--- a/src/refs.c
+++ b/src/refs.c
@@ -9,7 +9,7 @@
 
 #include "hash.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 #include "filebuf.h"
 #include "pack.h"
 #include "reflog.h"
diff --git a/src/repository.c b/src/repository.c
index 002e84f..6a49899 100644
--- a/src/repository.c
+++ b/src/repository.c
@@ -16,7 +16,7 @@
 #include "commit.h"
 #include "tag.h"
 #include "blob.h"
-#include "fileops.h"
+#include "futils.h"
 #include "sysdir.h"
 #include "filebuf.h"
 #include "index.h"
diff --git a/src/sortedcache.h b/src/sortedcache.h
index a53ff48..e553d01 100644
--- a/src/sortedcache.h
+++ b/src/sortedcache.h
@@ -10,7 +10,7 @@
 #include "common.h"
 
 #include "util.h"
-#include "fileops.h"
+#include "futils.h"
 #include "vector.h"
 #include "thread-utils.h"
 #include "pool.h"
diff --git a/src/status.c b/src/status.c
index 754fe08..42c98f6 100644
--- a/src/status.c
+++ b/src/status.c
@@ -8,7 +8,7 @@
 #include "status.h"
 
 #include "git2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "vector.h"
 #include "tree.h"
diff --git a/src/submodule.h b/src/submodule.h
index 91a4e12..57d95c3 100644
--- a/src/submodule.h
+++ b/src/submodule.h
@@ -11,7 +11,7 @@
 
 #include "git2/submodule.h"
 #include "git2/repository.h"
-#include "fileops.h"
+#include "futils.h"
 
 /* Notes:
  *
diff --git a/src/tree.c b/src/tree.c
index 3799cab..cd6ab9b 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -10,7 +10,7 @@
 #include "commit.h"
 #include "git2/repository.h"
 #include "git2/object.h"
-#include "fileops.h"
+#include "futils.h"
 #include "tree-cache.h"
 #include "index.h"
 
diff --git a/src/win32/posix_w32.c b/src/win32/posix_w32.c
index 91e1643..2d1fa90 100644
--- a/src/win32/posix_w32.c
+++ b/src/win32/posix_w32.c
@@ -8,7 +8,7 @@
 #include "common.h"
 
 #include "../posix.h"
-#include "../fileops.h"
+#include "../futils.h"
 #include "path.h"
 #include "path_w32.h"
 #include "utf-conv.h"
diff --git a/tests/attr/repo.c b/tests/attr/repo.c
index 93d61b1..36beeb0 100644
--- a/tests/attr/repo.c
+++ b/tests/attr/repo.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/attr.h"
 #include "attr.h"
 #include "sysdir.h"
diff --git a/tests/checkout/binaryunicode.c b/tests/checkout/binaryunicode.c
index 5ba7921..edb5cfa 100644
--- a/tests/checkout/binaryunicode.c
+++ b/tests/checkout/binaryunicode.c
@@ -2,7 +2,7 @@
 #include "refs.h"
 #include "repo/repo_helpers.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo;
 
diff --git a/tests/checkout/checkout_helpers.c b/tests/checkout/checkout_helpers.c
index 8256644..95af5d3 100644
--- a/tests/checkout/checkout_helpers.c
+++ b/tests/checkout/checkout_helpers.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "checkout_helpers.h"
 #include "refs.h"
-#include "fileops.h"
+#include "futils.h"
 #include "index.h"
 
 void assert_on_branch(git_repository *repo, const char *branch)
diff --git a/tests/checkout/conflict.c b/tests/checkout/conflict.c
index 3ad830f..dae3f29 100644
--- a/tests/checkout/conflict.c
+++ b/tests/checkout/conflict.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "git2/repository.h"
 #include "git2/sys/index.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 
 static git_repository *g_repo;
diff --git a/tests/checkout/crlf.c b/tests/checkout/crlf.c
index ff3a2dc..65e13a6 100644
--- a/tests/checkout/crlf.c
+++ b/tests/checkout/crlf.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "checkout_helpers.h"
 #include "../filter/crlf.h"
-#include "fileops.h"
+#include "futils.h"
 
 #include "git2/checkout.h"
 #include "repository.h"
diff --git a/tests/checkout/head.c b/tests/checkout/head.c
index 9906146..7991230 100644
--- a/tests/checkout/head.c
+++ b/tests/checkout/head.c
@@ -2,7 +2,7 @@
 #include "refs.h"
 #include "repo/repo_helpers.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo;
 
diff --git a/tests/checkout/index.c b/tests/checkout/index.c
index 9aa41cc..dcacdd5 100644
--- a/tests/checkout/index.c
+++ b/tests/checkout/index.c
@@ -2,7 +2,7 @@
 #include "checkout_helpers.h"
 
 #include "git2/checkout.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 #include "remote.h"
 #include "repo/repo_helpers.h"
diff --git a/tests/checkout/nasty.c b/tests/checkout/nasty.c
index 042fbba..3897878 100644
--- a/tests/checkout/nasty.c
+++ b/tests/checkout/nasty.c
@@ -4,7 +4,7 @@
 #include "git2/checkout.h"
 #include "repository.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 static const char *repo_name = "nasty";
 static git_repository *repo;
diff --git a/tests/checkout/tree.c b/tests/checkout/tree.c
index 47ded0f..380d251 100644
--- a/tests/checkout/tree.c
+++ b/tests/checkout/tree.c
@@ -4,7 +4,7 @@
 #include "git2/checkout.h"
 #include "repository.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo;
 static git_checkout_options g_opts;
diff --git a/tests/checkout/typechange.c b/tests/checkout/typechange.c
index 708af59..db3f02a 100644
--- a/tests/checkout/typechange.c
+++ b/tests/checkout/typechange.c
@@ -3,7 +3,7 @@
 #include "git2/checkout.h"
 #include "path.h"
 #include "posix.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 
diff --git a/tests/cherrypick/bare.c b/tests/cherrypick/bare.c
index 1353365..50e8d86 100644
--- a/tests/cherrypick/bare.c
+++ b/tests/cherrypick/bare.c
@@ -2,7 +2,7 @@
 #include "clar_libgit2.h"
 
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/cherrypick.h"
 
 #include "../merge/merge_helpers.h"
diff --git a/tests/cherrypick/workdir.c b/tests/cherrypick/workdir.c
index 8f66449..10e8c2d 100644
--- a/tests/cherrypick/workdir.c
+++ b/tests/cherrypick/workdir.c
@@ -2,7 +2,7 @@
 #include "clar_libgit2.h"
 
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/cherrypick.h"
 
 #include "../merge/merge_helpers.h"
diff --git a/tests/clone/local.c b/tests/clone/local.c
index 9416918..b90ff31 100644
--- a/tests/clone/local.c
+++ b/tests/clone/local.c
@@ -5,7 +5,7 @@
 #include "buffer.h"
 #include "path.h"
 #include "posix.h"
-#include "fileops.h"
+#include "futils.h"
 
 static int file_url(git_buf *buf, const char *host, const char *path)
 {
diff --git a/tests/clone/nonetwork.c b/tests/clone/nonetwork.c
index 73528e5..2b8081f 100644
--- a/tests/clone/nonetwork.c
+++ b/tests/clone/nonetwork.c
@@ -4,7 +4,7 @@
 #include "git2/sys/commit.h"
 #include "../submodule/submodule_helpers.h"
 #include "remote.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 
 #define LIVE_REPO_URL "git://github.com/libgit2/TestGitRepository"
diff --git a/tests/clone/transport.c b/tests/clone/transport.c
index cccaae2..fa4f653 100644
--- a/tests/clone/transport.c
+++ b/tests/clone/transport.c
@@ -3,7 +3,7 @@
 #include "git2/clone.h"
 #include "git2/transport.h"
 #include "git2/sys/transport.h"
-#include "fileops.h"
+#include "futils.h"
 
 static int custom_transport(
 	git_transport **out,
diff --git a/tests/config/conditionals.c b/tests/config/conditionals.c
index 8b9c0e6..0e629e4 100644
--- a/tests/config/conditionals.c
+++ b/tests/config/conditionals.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 #ifdef GIT_WIN32
 # define ROOT_PREFIX "C:"
diff --git a/tests/config/global.c b/tests/config/global.c
index 4517cae..b64b716 100644
--- a/tests/config/global.c
+++ b/tests/config/global.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 void test_config_global__initialize(void)
 {
diff --git a/tests/config/include.c b/tests/config/include.c
index 4454693..48261dd 100644
--- a/tests/config/include.c
+++ b/tests/config/include.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_config *cfg;
 static git_buf buf;
diff --git a/tests/config/new.c b/tests/config/new.c
index bb3a2d9..2f5d83d 100644
--- a/tests/config/new.c
+++ b/tests/config/new.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 
 #include "filebuf.h"
-#include "fileops.h"
+#include "futils.h"
 #include "posix.h"
 
 #define TEST_CONFIG "git-new-config"
diff --git a/tests/config/stress.c b/tests/config/stress.c
index ad09c87..4fb0f3b 100644
--- a/tests/config/stress.c
+++ b/tests/config/stress.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 
 #include "filebuf.h"
-#include "fileops.h"
+#include "futils.h"
 #include "posix.h"
 
 #define TEST_CONFIG "git-test-config"
diff --git a/tests/config/write.c b/tests/config/write.c
index bd0f5b2..78ed7f1 100644
--- a/tests/config/write.c
+++ b/tests/config/write.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/sys/config.h"
 #include "config.h"
 
diff --git a/tests/core/buffer.c b/tests/core/buffer.c
index b8a76b3..58c98cb 100644
--- a/tests/core/buffer.c
+++ b/tests/core/buffer.c
@@ -2,7 +2,7 @@
 #include "buffer.h"
 #include "buf_text.h"
 #include "git2/sys/hashsig.h"
-#include "fileops.h"
+#include "futils.h"
 
 #define TESTSTR "Have you seen that? Have you seeeen that??"
 const char *test_string = TESTSTR;
diff --git a/tests/core/copy.c b/tests/core/copy.c
index 967748c..d312748 100644
--- a/tests/core/copy.c
+++ b/tests/core/copy.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "path.h"
 #include "posix.h"
 
diff --git a/tests/core/dirent.c b/tests/core/dirent.c
index a2448b4..08e0b11 100644
--- a/tests/core/dirent.c
+++ b/tests/core/dirent.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 
 typedef struct name_data {
 	int count; /* return count */
diff --git a/tests/core/env.c b/tests/core/env.c
index 7e7b327..3c34b2c 100644
--- a/tests/core/env.c
+++ b/tests/core/env.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "sysdir.h"
 #include "path.h"
 
diff --git a/tests/core/futils.c b/tests/core/futils.c
index fce4848..82c9b24 100644
--- a/tests/core/futils.c
+++ b/tests/core/futils.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 
 /* Fixture setup and teardown */
 void test_core_futils__initialize(void)
diff --git a/tests/core/mkdir.c b/tests/core/mkdir.c
index 8e52efb..ce11953 100644
--- a/tests/core/mkdir.c
+++ b/tests/core/mkdir.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "path.h"
 #include "posix.h"
 
diff --git a/tests/core/path.c b/tests/core/path.c
index 058a710..2e5a4ab 100644
--- a/tests/core/path.c
+++ b/tests/core/path.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 
 static void
 check_dirname(const char *A, const char *B)
diff --git a/tests/core/rmdir.c b/tests/core/rmdir.c
index e00ec5c..b436b97 100644
--- a/tests/core/rmdir.c
+++ b/tests/core/rmdir.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 
 static const char *empty_tmp_dir = "test_gitfo_rmdir_recurs_test";
 
diff --git a/tests/core/stat.c b/tests/core/stat.c
index 59a1346..7f5d667 100644
--- a/tests/core/stat.c
+++ b/tests/core/stat.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "path.h"
 #include "posix.h"
 
diff --git a/tests/diff/diff_helpers.h b/tests/diff/diff_helpers.h
index 520b654..af855ce 100644
--- a/tests/diff/diff_helpers.h
+++ b/tests/diff/diff_helpers.h
@@ -1,4 +1,4 @@
-#include "fileops.h"
+#include "futils.h"
 #include "git2/diff.h"
 
 extern git_tree *resolve_commit_oid_to_tree(
diff --git a/tests/fetchhead/nonetwork.c b/tests/fetchhead/nonetwork.c
index 6589432..c236223 100644
--- a/tests/fetchhead/nonetwork.c
+++ b/tests/fetchhead/nonetwork.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "fetchhead.h"
 
 #include "fetchhead_data.h"
diff --git a/tests/ignore/path.c b/tests/ignore/path.c
index 5daf329..864fba4 100644
--- a/tests/ignore/path.c
+++ b/tests/ignore/path.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "posix.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 
diff --git a/tests/ignore/status.c b/tests/ignore/status.c
index 2c32f44..6082a81 100644
--- a/tests/ignore/status.c
+++ b/tests/ignore/status.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/attr.h"
 #include "ignore.h"
 #include "attr.h"
diff --git a/tests/index/addall.c b/tests/index/addall.c
index 992cd87..c62c3cf 100644
--- a/tests/index/addall.c
+++ b/tests/index/addall.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "../status/status_helpers.h"
 #include "posix.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 #define TEST_DIR "addall"
diff --git a/tests/iterator/index.c b/tests/iterator/index.c
index 8c7efb2..25d8c29 100644
--- a/tests/iterator/index.c
+++ b/tests/iterator/index.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "iterator.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 #include "iterator_helpers.h"
 #include "../submodule/submodule_helpers.h"
 #include <stdarg.h>
diff --git a/tests/iterator/iterator_helpers.c b/tests/iterator/iterator_helpers.c
index 68d5741..b210dbb 100644
--- a/tests/iterator/iterator_helpers.c
+++ b/tests/iterator/iterator_helpers.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "iterator.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 #include "iterator_helpers.h"
 #include <stdarg.h>
 
diff --git a/tests/iterator/tree.c b/tests/iterator/tree.c
index 08df909..f7fb9a7 100644
--- a/tests/iterator/tree.c
+++ b/tests/iterator/tree.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "iterator.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 #include "tree.h"
 #include "../submodule/submodule_helpers.h"
 #include "../diff/diff_helpers.h"
diff --git a/tests/iterator/workdir.c b/tests/iterator/workdir.c
index 9d3b543..926cc6a 100644
--- a/tests/iterator/workdir.c
+++ b/tests/iterator/workdir.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "iterator.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 #include "../submodule/submodule_helpers.h"
 #include "../merge/merge_helpers.h"
 #include "iterator_helpers.h"
diff --git a/tests/merge/files.c b/tests/merge/files.c
index 27c9636..6877f98 100644
--- a/tests/merge/files.c
+++ b/tests/merge/files.c
@@ -6,7 +6,7 @@
 #include "merge_helpers.h"
 #include "conflict_data.h"
 #include "refs.h"
-#include "fileops.h"
+#include "futils.h"
 #include "diff_xdiff.h"
 
 #define TEST_REPO_PATH "merge-resolve"
diff --git a/tests/merge/merge_helpers.c b/tests/merge/merge_helpers.c
index cddb411..27f355f 100644
--- a/tests/merge/merge_helpers.c
+++ b/tests/merge/merge_helpers.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "refs.h"
 #include "tree.h"
 #include "merge_helpers.h"
diff --git a/tests/merge/trees/automerge.c b/tests/merge/trees/automerge.c
index e4efba5..dd26464 100644
--- a/tests/merge/trees/automerge.c
+++ b/tests/merge/trees/automerge.c
@@ -3,7 +3,7 @@
 #include "git2/merge.h"
 #include "buffer.h"
 #include "merge.h"
-#include "fileops.h"
+#include "futils.h"
 #include "../merge_helpers.h"
 #include "../conflict_data.h"
 
diff --git a/tests/merge/trees/modeconflict.c b/tests/merge/trees/modeconflict.c
index e85e340..32866ea 100644
--- a/tests/merge/trees/modeconflict.c
+++ b/tests/merge/trees/modeconflict.c
@@ -4,7 +4,7 @@
 #include "buffer.h"
 #include "merge.h"
 #include "../merge_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 
diff --git a/tests/merge/trees/renames.c b/tests/merge/trees/renames.c
index fbcfd2d..e0b12af 100644
--- a/tests/merge/trees/renames.c
+++ b/tests/merge/trees/renames.c
@@ -4,7 +4,7 @@
 #include "buffer.h"
 #include "merge.h"
 #include "../merge_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 
diff --git a/tests/merge/trees/trivial.c b/tests/merge/trees/trivial.c
index 4a82556..ac4f09f 100644
--- a/tests/merge/trees/trivial.c
+++ b/tests/merge/trees/trivial.c
@@ -4,7 +4,7 @@
 #include "merge.h"
 #include "../merge_helpers.h"
 #include "refs.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/sys/index.h"
 
 static git_repository *repo;
diff --git a/tests/merge/trees/whitespace.c b/tests/merge/trees/whitespace.c
index fdb1125..ce77034 100644
--- a/tests/merge/trees/whitespace.c
+++ b/tests/merge/trees/whitespace.c
@@ -4,7 +4,7 @@
 #include "buffer.h"
 #include "merge.h"
 #include "../merge_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 
diff --git a/tests/merge/workdir/renames.c b/tests/merge/workdir/renames.c
index a8ee59a..e8cd333 100644
--- a/tests/merge/workdir/renames.c
+++ b/tests/merge/workdir/renames.c
@@ -4,7 +4,7 @@
 #include "buffer.h"
 #include "merge.h"
 #include "../merge_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 #include "refs.h"
 
 static git_repository *repo;
diff --git a/tests/merge/workdir/setup.c b/tests/merge/workdir/setup.c
index 3a8f9d9..ad29fcd 100644
--- a/tests/merge/workdir/setup.c
+++ b/tests/merge/workdir/setup.c
@@ -3,7 +3,7 @@
 #include "git2/merge.h"
 #include "merge.h"
 #include "refs.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 static git_index *repo_index;
diff --git a/tests/merge/workdir/simple.c b/tests/merge/workdir/simple.c
index a8d5d0b..6b4e174 100644
--- a/tests/merge/workdir/simple.c
+++ b/tests/merge/workdir/simple.c
@@ -6,7 +6,7 @@
 #include "../merge_helpers.h"
 #include "../conflict_data.h"
 #include "refs.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 static git_index *repo_index;
diff --git a/tests/merge/workdir/trivial.c b/tests/merge/workdir/trivial.c
index 39d1ddc..c5bb703 100644
--- a/tests/merge/workdir/trivial.c
+++ b/tests/merge/workdir/trivial.c
@@ -5,7 +5,7 @@
 #include "merge.h"
 #include "../merge_helpers.h"
 #include "refs.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 static git_index *repo_index;
diff --git a/tests/object/blob/fromstream.c b/tests/object/blob/fromstream.c
index 416b452..df229f9 100644
--- a/tests/object/blob/fromstream.c
+++ b/tests/object/blob/fromstream.c
@@ -2,7 +2,7 @@
 #include "buffer.h"
 #include "posix.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 static char textual_content[] = "libgit2\n\r\n\0";
diff --git a/tests/object/blob/write.c b/tests/object/blob/write.c
index e6b67fb..9a18d7c 100644
--- a/tests/object/blob/write.c
+++ b/tests/object/blob/write.c
@@ -2,7 +2,7 @@
 #include "buffer.h"
 #include "posix.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 
diff --git a/tests/object/raw/write.c b/tests/object/raw/write.c
index a360f04..9bc1276 100644
--- a/tests/object/raw/write.c
+++ b/tests/object/raw/write.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "git2/odb_backend.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "odb.h"
 
 typedef struct object_data {
diff --git a/tests/online/clone.c b/tests/online/clone.c
index b7042f3..60aaeeb 100644
--- a/tests/online/clone.c
+++ b/tests/online/clone.c
@@ -3,7 +3,7 @@
 #include "git2/clone.h"
 #include "git2/cred_helpers.h"
 #include "remote.h"
-#include "fileops.h"
+#include "futils.h"
 #include "refs.h"
 
 #define LIVE_REPO_URL "http://github.com/libgit2/TestGitRepository"
diff --git a/tests/online/fetchhead.c b/tests/online/fetchhead.c
index 7e9ca7e..4f7be7e 100644
--- a/tests/online/fetchhead.c
+++ b/tests/online/fetchhead.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "fetchhead.h"
 #include "../fetchhead/fetchhead_data.h"
 #include "git2/clone.h"
diff --git a/tests/pack/indexer.c b/tests/pack/indexer.c
index 08247ae..422c3de 100644
--- a/tests/pack/indexer.c
+++ b/tests/pack/indexer.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 #include <git2.h>
-#include "fileops.h"
+#include "futils.h"
 #include "hash.h"
 #include "iterator.h"
 #include "vector.h"
diff --git a/tests/pack/packbuilder.c b/tests/pack/packbuilder.c
index 397d32e..59eb3da 100644
--- a/tests/pack/packbuilder.c
+++ b/tests/pack/packbuilder.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "pack.h"
 #include "hash.h"
 #include "iterator.h"
diff --git a/tests/refs/branches/delete.c b/tests/refs/branches/delete.c
index 553d800..6093c78 100644
--- a/tests/refs/branches/delete.c
+++ b/tests/refs/branches/delete.c
@@ -2,7 +2,7 @@
 #include "refs.h"
 #include "repo/repo_helpers.h"
 #include "config/config_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 #include "reflog.h"
 
 static git_repository *repo;
diff --git a/tests/refs/delete.c b/tests/refs/delete.c
index 4cc78aa..a334496 100644
--- a/tests/refs/delete.c
+++ b/tests/refs/delete.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "git2/reflog.h"
 #include "git2/refdb.h"
 #include "reflog.h"
diff --git a/tests/refs/pack.c b/tests/refs/pack.c
index 92312e2..676fb17 100644
--- a/tests/refs/pack.c
+++ b/tests/refs/pack.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "git2/reflog.h"
 #include "git2/refdb.h"
 #include "reflog.h"
diff --git a/tests/refs/reflog/messages.c b/tests/refs/reflog/messages.c
index 5ca9ab3..f8acd23 100644
--- a/tests/refs/reflog/messages.c
+++ b/tests/refs/reflog/messages.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "git2/reflog.h"
 #include "reflog.h"
 #include "refs.h"
diff --git a/tests/refs/reflog/reflog.c b/tests/refs/reflog/reflog.c
index cf8c5c2..7e4b1ef 100644
--- a/tests/refs/reflog/reflog.c
+++ b/tests/refs/reflog/reflog.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "git2/reflog.h"
 #include "reflog.h"
 
diff --git a/tests/refs/rename.c b/tests/refs/rename.c
index 9933bee..b1b75cd 100644
--- a/tests/refs/rename.c
+++ b/tests/refs/rename.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "git2/reflog.h"
 #include "reflog.h"
 #include "refs.h"
diff --git a/tests/repo/config.c b/tests/repo/config.c
index a397ee5..6ca31f5 100644
--- a/tests/repo/config.c
+++ b/tests/repo/config.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 #include "sysdir.h"
-#include "fileops.h"
+#include "futils.h"
 #include <ctype.h>
 
 static git_buf path = GIT_BUF_INIT;
diff --git a/tests/repo/discover.c b/tests/repo/discover.c
index cc61c71..c026eef 100644
--- a/tests/repo/discover.c
+++ b/tests/repo/discover.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 
 #include "odb.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 
 #define TEMP_REPO_FOLDER "temprepo/"
diff --git a/tests/repo/env.c b/tests/repo/env.c
index 9dafda1..0246616 100644
--- a/tests/repo/env.c
+++ b/tests/repo/env.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "sysdir.h"
 #include <ctype.h>
 
diff --git a/tests/repo/init.c b/tests/repo/init.c
index 9879ef1..9eee830 100644
--- a/tests/repo/init.c
+++ b/tests/repo/init.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 #include "config.h"
 #include "path.h"
diff --git a/tests/repo/open.c b/tests/repo/open.c
index 5c08a38..edcf93f 100644
--- a/tests/repo/open.c
+++ b/tests/repo/open.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "sysdir.h"
 #include <ctype.h>
 
diff --git a/tests/repo/setters.c b/tests/repo/setters.c
index ea6ef12..1fac627 100644
--- a/tests/repo/setters.c
+++ b/tests/repo/setters.c
@@ -5,7 +5,7 @@
 #include "posix.h"
 #include "util.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 
diff --git a/tests/repo/shallow.c b/tests/repo/shallow.c
index b9a7b81..adb7a9e 100644
--- a/tests/repo/shallow.c
+++ b/tests/repo/shallow.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo;
 
diff --git a/tests/repo/state.c b/tests/repo/state.c
index fb89497..afb3617 100644
--- a/tests/repo/state.c
+++ b/tests/repo/state.c
@@ -2,7 +2,7 @@
 #include "buffer.h"
 #include "refs.h"
 #include "posix.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *_repo;
 static git_buf _path;
diff --git a/tests/repo/template.c b/tests/repo/template.c
index 7ccd935..3513190 100644
--- a/tests/repo/template.c
+++ b/tests/repo/template.c
@@ -1,6 +1,6 @@
 #include "clar_libgit2.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "repo/repo_helpers.h"
 
 #define CLEAR_FOR_CORE_FILEMODE(M) ((M) &= ~0177)
diff --git a/tests/reset/hard.c b/tests/reset/hard.c
index b6e9139..1ea1d13 100644
--- a/tests/reset/hard.c
+++ b/tests/reset/hard.c
@@ -2,7 +2,7 @@
 #include "posix.h"
 #include "reset_helpers.h"
 #include "path.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *repo;
 static git_object *target;
diff --git a/tests/revert/bare.c b/tests/revert/bare.c
index fc7d030..03cffbf 100644
--- a/tests/revert/bare.c
+++ b/tests/revert/bare.c
@@ -2,7 +2,7 @@
 #include "clar_libgit2.h"
 
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/revert.h"
 
 #include "../merge/merge_helpers.h"
diff --git a/tests/revert/workdir.c b/tests/revert/workdir.c
index 9acf20d..2ad059d 100644
--- a/tests/revert/workdir.c
+++ b/tests/revert/workdir.c
@@ -2,7 +2,7 @@
 #include "clar_libgit2.h"
 
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 #include "git2/revert.h"
 
 #include "../merge/merge_helpers.h"
diff --git a/tests/stash/apply.c b/tests/stash/apply.c
index 063223a..5eb5954 100644
--- a/tests/stash/apply.c
+++ b/tests/stash/apply.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "stash_helpers.h"
 
 static git_signature *signature;
diff --git a/tests/stash/drop.c b/tests/stash/drop.c
index 89a0ade..6b0895b 100644
--- a/tests/stash/drop.c
+++ b/tests/stash/drop.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "stash_helpers.h"
 #include "refs.h"
 
diff --git a/tests/stash/foreach.c b/tests/stash/foreach.c
index 57dc8ee..fa3a9c9 100644
--- a/tests/stash/foreach.c
+++ b/tests/stash/foreach.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "stash_helpers.h"
 
 struct callback_data
diff --git a/tests/stash/save.c b/tests/stash/save.c
index c38ef82..362c704 100644
--- a/tests/stash/save.c
+++ b/tests/stash/save.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "stash_helpers.h"
 
 static git_repository *repo;
diff --git a/tests/stash/stash_helpers.c b/tests/stash/stash_helpers.c
index 0398757..cd0cfbd 100644
--- a/tests/stash/stash_helpers.c
+++ b/tests/stash/stash_helpers.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "stash_helpers.h"
 
 void setup_stash(git_repository *repo, git_signature *signature)
diff --git a/tests/status/submodules.c b/tests/status/submodules.c
index 33c9e5a..12edce2 100644
--- a/tests/status/submodules.c
+++ b/tests/status/submodules.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "status_helpers.h"
 #include "../submodule/submodule_helpers.h"
 
diff --git a/tests/status/worktree.c b/tests/status/worktree.c
index 4c37a33..7711b2d 100644
--- a/tests/status/worktree.c
+++ b/tests/status/worktree.c
@@ -1,5 +1,5 @@
 #include "clar_libgit2.h"
-#include "fileops.h"
+#include "futils.h"
 #include "ignore.h"
 #include "status_data.h"
 #include "posix.h"
diff --git a/tests/status/worktree_init.c b/tests/status/worktree_init.c
index 9d5cfa5..40f1b2a 100644
--- a/tests/status/worktree_init.c
+++ b/tests/status/worktree_init.c
@@ -1,7 +1,7 @@
 #include "clar_libgit2.h"
 #include "git2/sys/repository.h"
 
-#include "fileops.h"
+#include "futils.h"
 #include "ignore.h"
 #include "status_helpers.h"
 #include "posix.h"
diff --git a/tests/submodule/add.c b/tests/submodule/add.c
index d588677..b251b33 100644
--- a/tests/submodule/add.c
+++ b/tests/submodule/add.c
@@ -3,7 +3,7 @@
 #include "path.h"
 #include "submodule_helpers.h"
 #include "config/config_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 
 static git_repository *g_repo = NULL;
diff --git a/tests/submodule/escape.c b/tests/submodule/escape.c
index c368742..08eb768 100644
--- a/tests/submodule/escape.c
+++ b/tests/submodule/escape.c
@@ -2,7 +2,7 @@
 #include "posix.h"
 #include "path.h"
 #include "submodule_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 
 static git_repository *g_repo = NULL;
diff --git a/tests/submodule/init.c b/tests/submodule/init.c
index 84143e1..a1d870b 100644
--- a/tests/submodule/init.c
+++ b/tests/submodule/init.c
@@ -2,7 +2,7 @@
 #include "posix.h"
 #include "path.h"
 #include "submodule_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 
diff --git a/tests/submodule/inject_option.c b/tests/submodule/inject_option.c
index 182f088..cfc02ac 100644
--- a/tests/submodule/inject_option.c
+++ b/tests/submodule/inject_option.c
@@ -2,7 +2,7 @@
 #include "posix.h"
 #include "path.h"
 #include "submodule_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 #include "repository.h"
 
 static git_repository *g_repo = NULL;
diff --git a/tests/submodule/lookup.c b/tests/submodule/lookup.c
index 8bab1b9..6f7506d 100644
--- a/tests/submodule/lookup.c
+++ b/tests/submodule/lookup.c
@@ -2,7 +2,7 @@
 #include "submodule_helpers.h"
 #include "git2/sys/repository.h"
 #include "repository.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 
diff --git a/tests/submodule/nosubs.c b/tests/submodule/nosubs.c
index ca2d1d6..e47ee39 100644
--- a/tests/submodule/nosubs.c
+++ b/tests/submodule/nosubs.c
@@ -2,7 +2,7 @@
 
 #include "clar_libgit2.h"
 #include "posix.h"
-#include "fileops.h"
+#include "futils.h"
 
 void test_submodule_nosubs__cleanup(void)
 {
diff --git a/tests/submodule/repository_init.c b/tests/submodule/repository_init.c
index 7dd97ba..9962af3 100644
--- a/tests/submodule/repository_init.c
+++ b/tests/submodule/repository_init.c
@@ -3,7 +3,7 @@
 #include "path.h"
 #include "submodule_helpers.h"
 #include "config/config_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 
diff --git a/tests/submodule/status.c b/tests/submodule/status.c
index 41fc173..06595cc 100644
--- a/tests/submodule/status.c
+++ b/tests/submodule/status.c
@@ -2,7 +2,7 @@
 #include "posix.h"
 #include "path.h"
 #include "submodule_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 #include "iterator.h"
 
 static git_repository *g_repo = NULL;
diff --git a/tests/submodule/update.c b/tests/submodule/update.c
index 08a279a..79353e5 100644
--- a/tests/submodule/update.c
+++ b/tests/submodule/update.c
@@ -2,7 +2,7 @@
 #include "posix.h"
 #include "path.h"
 #include "submodule_helpers.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_repository *g_repo = NULL;
 
diff --git a/tests/win32/longpath.c b/tests/win32/longpath.c
index bf5aac7..80ae08d 100644
--- a/tests/win32/longpath.c
+++ b/tests/win32/longpath.c
@@ -3,7 +3,7 @@
 #include "git2/clone.h"
 #include "clone.h"
 #include "buffer.h"
-#include "fileops.h"
+#include "futils.h"
 
 static git_buf path = GIT_BUF_INIT;