thodg/libgit2

diff --git a/fuzzers/packfile_fuzzer.c b/fuzzers/packfile_fuzzer.c
index 7f448f6..3d6d9a3 100644
--- a/fuzzers/packfile_fuzzer.c
+++ b/fuzzers/packfile_fuzzer.c
@@ -90,7 +90,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 	if (git_indexer_append(indexer, data, size, &stats) < 0)
 		goto cleanup;
 	if (append_hash) {
-		if (git_odb_hash(&oid, data, size, GIT_OBJECT_BLOB) < 0) {
+		if (git_odb_hash(&oid, data, size, GIT_OBJECT_BLOB, GIT_OID_SHA1) < 0) {
 			fprintf(stderr, "Failed to compute the SHA1 hash\n");
 			abort();
 		}
diff --git a/include/git2/odb.h b/include/git2/odb.h
index 54c38a4..61e04d1 100644
--- a/include/git2/odb.h
+++ b/include/git2/odb.h
@@ -435,18 +435,24 @@ GIT_EXTERN(int) git_odb_write_multi_pack_index(
 	git_odb *db);
 
 /**
- * Determine the object-ID (sha1 hash) of a data buffer
+ * Determine the object-ID (sha1 or sha256 hash) of a data buffer
  *
- * The resulting SHA-1 OID will be the identifier for the data
- * buffer as if the data buffer it were to written to the ODB.
+ * The resulting OID will be the identifier for the data buffer as if
+ * the data buffer it were to written to the ODB.
  *
  * @param out the resulting object-ID.
  * @param data data to hash
  * @param len size of the data
- * @param type of the data to hash
+ * @param object_type of the data to hash
+ * @param oid_type the oid type to hash to
  * @return 0 or an error code
  */
-GIT_EXTERN(int) git_odb_hash(git_oid *out, const void *data, size_t len, git_object_t type);
+GIT_EXTERN(int) git_odb_hash(
+	git_oid *out,
+	const void *data,
+	size_t len,
+	git_object_t object_type,
+	git_oid_t oid_type);
 
 /**
  * Read a file from disk and fill a git_oid with the object id
@@ -458,10 +464,15 @@ GIT_EXTERN(int) git_odb_hash(git_oid *out, const void *data, size_t len, git_obj
  *
  * @param out oid structure the result is written into.
  * @param path file to read and determine object id for
- * @param type the type of the object that will be hashed
+ * @param object_type of the data to hash
+ * @param oid_type the oid type to hash to
  * @return 0 or an error code
  */
-GIT_EXTERN(int) git_odb_hashfile(git_oid *out, const char *path, git_object_t type);
+GIT_EXTERN(int) git_odb_hashfile(
+	git_oid *out,
+	const char *path,
+	git_object_t object_type,
+	git_oid_t oid_type);
 
 /**
  * Create a copy of an odb_object
diff --git a/src/cli/cmd_hash_object.c b/src/cli/cmd_hash_object.c
index 5cfe914..72fbef9 100644
--- a/src/cli/cmd_hash_object.c
+++ b/src/cli/cmd_hash_object.c
@@ -64,7 +64,7 @@ static int hash_buf(git_odb *odb, git_str *buf, git_object_t type)
 		if (git_odb_write(&oid, odb, buf->ptr, buf->size, type) < 0)
 			return cli_error_git();
 	} else {
-		if (git_odb_hash(&oid, buf->ptr, buf->size, type) < 0)
+		if (git_odb_hash(&oid, buf->ptr, buf->size, type, GIT_OID_SHA1) < 0)
 			return cli_error_git();
 	}
 
diff --git a/src/libgit2/diff_file.c b/src/libgit2/diff_file.c
index 3971655..4d63317 100644
--- a/src/libgit2/diff_file.c
+++ b/src/libgit2/diff_file.c
@@ -162,7 +162,7 @@ int git_diff_file_content__init_from_src(
 			fc->flags |= GIT_DIFF_FLAG__FREE_BLOB;
 		} else {
 			int error;
-			if ((error = git_odb_hash(&fc->file->id, src->buf, src->buflen, GIT_OBJECT_BLOB)) < 0)
+			if ((error = git_odb_hash(&fc->file->id, src->buf, src->buflen, GIT_OBJECT_BLOB, GIT_OID_SHA1)) < 0)
 				return error;
 			fc->file->size = src->buflen;
 			fc->file->id_abbrev = GIT_OID_SHA1_HEXSIZE;
@@ -412,7 +412,8 @@ static int diff_file_content_load_workdir(
 	/* once data is loaded, update OID if we didn't have it previously */
 	if (!error && (fc->file->flags & GIT_DIFF_FLAG_VALID_ID) == 0) {
 		error = git_odb_hash(
-			&fc->file->id, fc->map.data, fc->map.len, GIT_OBJECT_BLOB);
+			&fc->file->id, fc->map.data, fc->map.len,
+			GIT_OBJECT_BLOB, GIT_OID_SHA1);
 		fc->file->flags |= GIT_DIFF_FLAG_VALID_ID;
 	}
 
diff --git a/src/libgit2/diff_generate.c b/src/libgit2/diff_generate.c
index d22c557..a88ce8c 100644
--- a/src/libgit2/diff_generate.c
+++ b/src/libgit2/diff_generate.c
@@ -660,7 +660,7 @@ int git_diff__oid_for_entry(
 			git_error_clear();
 		}
 	} else if (S_ISLNK(mode)) {
-		error = git_odb__hashlink(out, full_path.ptr);
+		error = git_odb__hashlink(out, full_path.ptr, GIT_OID_SHA1);
 		diff->base.perf.oid_calculations++;
 	} else if (!git__is_sizet(entry.file_size)) {
 		git_error_set(GIT_ERROR_NOMEMORY, "file size overflow (for 32-bits) on '%s'",
@@ -675,7 +675,8 @@ int git_diff__oid_for_entry(
 			error = fd;
 		else {
 			error = git_odb__hashfd_filtered(
-				out, fd, (size_t)entry.file_size, GIT_OBJECT_BLOB, fl);
+				out, fd, (size_t)entry.file_size,
+				GIT_OBJECT_BLOB, GIT_OID_SHA1, fl);
 			p_close(fd);
 			diff->base.perf.oid_calculations++;
 		}
diff --git a/src/libgit2/indexer.c b/src/libgit2/indexer.c
index e7ea77e..c35e659 100644
--- a/src/libgit2/indexer.c
+++ b/src/libgit2/indexer.c
@@ -546,7 +546,7 @@ static int hash_and_save(git_indexer *idx, git_rawobj *obj, off64_t entry_start)
 	entry = git__calloc(1, sizeof(*entry));
 	GIT_ERROR_CHECK_ALLOC(entry);
 
-	if (git_odb__hashobj(&oid, obj) < 0) {
+	if (git_odb__hashobj(&oid, obj, GIT_OID_SHA1) < 0) {
 		git_error_set(GIT_ERROR_INDEXER, "failed to hash object");
 		goto on_error;
 	}
diff --git a/src/libgit2/iterator.c b/src/libgit2/iterator.c
index 8b204b0..a8377f7 100644
--- a/src/libgit2/iterator.c
+++ b/src/libgit2/iterator.c
@@ -1281,7 +1281,7 @@ static int filesystem_iterator_entry_hash(
 
 	if (!(error = git_str_joinpath(&fullpath, iter->root, entry->path)) &&
 	    !(error = git_path_validate_str_length(iter->base.repo, &fullpath)))
-		error = git_odb_hashfile(&entry->id, fullpath.ptr, GIT_OBJECT_BLOB);
+		error = git_odb_hashfile(&entry->id, fullpath.ptr, GIT_OBJECT_BLOB, GIT_OID_SHA1);
 
 	git_str_dispose(&fullpath);
 	return error;
diff --git a/src/libgit2/object.c b/src/libgit2/object.c
index 61c7b90..3794e5c 100644
--- a/src/libgit2/object.c
+++ b/src/libgit2/object.c
@@ -21,7 +21,6 @@
 
 bool git_object__strict_input_validation = true;
 
-extern int git_odb_hash(git_oid *out, const void *data, size_t len, git_object_t type);
 size_t git_object__size(git_object_t type);
 
 typedef struct {
@@ -87,7 +86,7 @@ int git_object__from_raw(
 	GIT_ERROR_CHECK_ALLOC(object);
 	object->cached.flags = GIT_CACHE_STORE_PARSED;
 	object->cached.type = type;
-	if ((error = git_odb_hash(&object->cached.oid, data, size, type)) < 0)
+	if ((error = git_odb_hash(&object->cached.oid, data, size, type, GIT_OID_SHA1)) < 0)
 		return error;
 
 	/* Parse raw object data */
diff --git a/src/libgit2/odb.c b/src/libgit2/odb.c
index 3a7d08c..787189b 100644
--- a/src/libgit2/odb.c
+++ b/src/libgit2/odb.c
@@ -105,11 +105,12 @@ int git_odb__format_object_header(
 	return 0;
 }
 
-int git_odb__hashobj(git_oid *id, git_rawobj *obj)
+int git_odb__hashobj(git_oid *id, git_rawobj *obj, git_oid_t oid_type)
 {
 	git_str_vec vec[2];
 	char header[64];
 	size_t hdrlen;
+	git_hash_algorithm_t algorithm;
 	int error;
 
 	GIT_ASSERT_ARG(id);
@@ -120,6 +121,11 @@ int git_odb__hashobj(git_oid *id, git_rawobj *obj)
 		return -1;
 	}
 
+	if (!(algorithm = git_oid_algorithm(oid_type))) {
+		git_error_set(GIT_ERROR_INVALID, "unknown oid type");
+		return -1;
+	}
+
 	if (!obj->data && obj->len != 0) {
 		git_error_set(GIT_ERROR_INVALID, "invalid object");
 		return -1;
@@ -134,8 +140,8 @@ int git_odb__hashobj(git_oid *id, git_rawobj *obj)
 	vec[1].data = obj->data;
 	vec[1].len = obj->len;
 
-	id->type = GIT_OID_SHA1;
-	return git_hash_vec(id->id, vec, 2, GIT_HASH_ALGORITHM_SHA1);
+	id->type = oid_type;
+	return git_hash_vec(id->id, vec, 2, algorithm);
 }
 
 
@@ -196,24 +202,35 @@ void git_odb_object_free(git_odb_object *object)
 	git_cached_obj_decref(object);
 }
 
-int git_odb__hashfd(git_oid *out, git_file fd, size_t size, git_object_t type)
+int git_odb__hashfd(
+	git_oid *out,
+	git_file fd,
+	size_t size,
+	git_object_t object_type,
+	git_oid_t oid_type)
 {
 	size_t hdr_len;
 	char hdr[64], buffer[GIT_BUFSIZE_FILEIO];
 	git_hash_ctx ctx;
+	git_hash_algorithm_t algorithm;
 	ssize_t read_len = 0;
 	int error = 0;
 
-	if (!git_object_typeisloose(type)) {
+	if (!git_object_typeisloose(object_type)) {
 		git_error_set(GIT_ERROR_INVALID, "invalid object type for hash");
 		return -1;
 	}
 
-	if ((error = git_hash_ctx_init(&ctx, GIT_HASH_ALGORITHM_SHA1)) < 0)
+	if (!(algorithm = git_oid_algorithm(oid_type))) {
+		git_error_set(GIT_ERROR_INVALID, "unknown oid type");
+		return -1;
+	}
+
+	if ((error = git_hash_ctx_init(&ctx, algorithm)) < 0)
 		return error;
 
 	if ((error = git_odb__format_object_header(&hdr_len, hdr,
-		sizeof(hdr), size, type)) < 0)
+		sizeof(hdr), size, object_type)) < 0)
 		goto done;
 
 	if ((error = git_hash_update(&ctx, hdr, hdr_len)) < 0)
@@ -237,7 +254,7 @@ int git_odb__hashfd(git_oid *out, git_file fd, size_t size, git_object_t type)
 	}
 
 	error = git_hash_final(out->id, &ctx);
-	out->type = GIT_OID_SHA1;
+	out->type = oid_type;
 
 done:
 	git_hash_ctx_cleanup(&ctx);
@@ -245,13 +262,18 @@ done:
 }
 
 int git_odb__hashfd_filtered(
-	git_oid *out, git_file fd, size_t size, git_object_t type, git_filter_list *fl)
+	git_oid *out,
+	git_file fd,
+	size_t size,
+	git_object_t object_type,
+	git_oid_t oid_type,
+	git_filter_list *fl)
 {
 	int error;
 	git_str raw = GIT_STR_INIT;
 
 	if (!fl)
-		return git_odb__hashfd(out, fd, size, type);
+		return git_odb__hashfd(out, fd, size, object_type, oid_type);
 
 	/* size of data is used in header, so we have to read the whole file
 	 * into memory to apply filters before beginning to calculate the hash
@@ -263,7 +285,7 @@ int git_odb__hashfd_filtered(
 		error = git_filter_list__convert_buf(&post, fl, &raw);
 
 		if (!error)
-			error = git_odb_hash(out, post.ptr, post.size, type);
+			error = git_odb_hash(out, post.ptr, post.size, object_type, oid_type);
 
 		git_str_dispose(&post);
 	}
@@ -271,7 +293,7 @@ int git_odb__hashfd_filtered(
 	return error;
 }
 
-int git_odb__hashlink(git_oid *out, const char *path)
+int git_odb__hashlink(git_oid *out, const char *path, git_oid_t oid_type)
 {
 	struct stat st;
 	int size;
@@ -305,20 +327,24 @@ int git_odb__hashlink(git_oid *out, const char *path)
 		GIT_ASSERT(read_len <= size);
 		link_data[read_len] = '\0';
 
-		result = git_odb_hash(out, link_data, read_len, GIT_OBJECT_BLOB);
+		result = git_odb_hash(out, link_data, read_len, GIT_OBJECT_BLOB, oid_type);
 		git__free(link_data);
 	} else {
 		int fd = git_futils_open_ro(path);
 		if (fd < 0)
 			return -1;
-		result = git_odb__hashfd(out, fd, size, GIT_OBJECT_BLOB);
+		result = git_odb__hashfd(out, fd, size, GIT_OBJECT_BLOB, oid_type);
 		p_close(fd);
 	}
 
 	return result;
 }
 
-int git_odb_hashfile(git_oid *out, const char *path, git_object_t type)
+int git_odb_hashfile(
+	git_oid *out,
+	const char *path,
+	git_object_t object_type,
+	git_oid_t oid_type)
 {
 	uint64_t size;
 	int fd, error = 0;
@@ -335,14 +361,19 @@ int git_odb_hashfile(git_oid *out, const char *path, git_object_t type)
 		goto done;
 	}
 
-	error = git_odb__hashfd(out, fd, (size_t)size, type);
+	error = git_odb__hashfd(out, fd, (size_t)size, object_type, oid_type);
 
 done:
 	p_close(fd);
 	return error;
 }
 
-int git_odb_hash(git_oid *id, const void *data, size_t len, git_object_t type)
+int git_odb_hash(
+	git_oid *id,
+	const void *data,
+	size_t len,
+	git_object_t object_type,
+	git_oid_t oid_type)
 {
 	git_rawobj raw;
 
@@ -350,9 +381,9 @@ int git_odb_hash(git_oid *id, const void *data, size_t len, git_object_t type)
 
 	raw.data = (void *)data;
 	raw.len = len;
-	raw.type = type;
+	raw.type = object_type;
 
-	return git_odb__hashobj(id, &raw);
+	return git_odb__hashobj(id, &raw, oid_type);
 }
 
 /**
@@ -1181,8 +1212,11 @@ int git_odb__read_header_or_object(
 	return error;
 }
 
-static int odb_read_1(git_odb_object **out, git_odb *db, const git_oid *id,
-		bool only_refreshed)
+static int odb_read_1(
+	git_odb_object **out,
+	git_odb *db,
+	const git_oid *id,
+	bool only_refreshed)
 {
 	size_t i;
 	git_rawobj raw;
@@ -1226,7 +1260,7 @@ static int odb_read_1(git_odb_object **out, git_odb *db, const git_oid *id,
 		return GIT_ENOTFOUND;
 
 	if (git_odb__strict_hash_verification) {
-		if ((error = git_odb_hash(&hashed, raw.data, raw.len, raw.type)) < 0)
+		if ((error = git_odb_hash(&hashed, raw.data, raw.len, raw.type, GIT_OID_SHA1)) < 0)
 			goto out;
 
 		if (!git_oid_equal(id, &hashed)) {
@@ -1367,7 +1401,7 @@ static int read_prefix_1(git_odb_object **out, git_odb *db,
 	if (git_odb__strict_hash_verification) {
 		git_oid hash;
 
-		if ((error = git_odb_hash(&hash, raw.data, raw.len, raw.type)) < 0)
+		if ((error = git_odb_hash(&hash, raw.data, raw.len, raw.type, GIT_OID_SHA1)) < 0)
 			goto out;
 
 		if (!git_oid_equal(&found_full_oid, &hash)) {
@@ -1466,7 +1500,7 @@ int git_odb_write(
 	GIT_ASSERT_ARG(oid);
 	GIT_ASSERT_ARG(db);
 
-	if ((error = git_odb_hash(oid, data, len, type)) < 0)
+	if ((error = git_odb_hash(oid, data, len, type, GIT_OID_SHA1)) < 0)
 		return error;
 
 	if (git_oid_is_zero(oid))
@@ -1568,7 +1602,7 @@ int git_odb_open_wstream(
 	GIT_ERROR_CHECK_ALLOC(ctx);
 
 	if ((error = git_hash_ctx_init(ctx, GIT_HASH_ALGORITHM_SHA1)) < 0 ||
-		(error = hash_header(ctx, size, type)) < 0)
+	    (error = hash_header(ctx, size, type)) < 0)
 		goto done;
 
 	(*stream)->hash_ctx = ctx;
@@ -1790,10 +1824,11 @@ int git_odb_refresh(struct git_odb *db)
 
 int git_odb__error_mismatch(const git_oid *expected, const git_oid *actual)
 {
-	char expected_oid[GIT_OID_SHA1_HEXSIZE + 1], actual_oid[GIT_OID_SHA1_HEXSIZE + 1];
+	char expected_oid[GIT_OID_MAX_HEXSIZE + 1],
+	     actual_oid[GIT_OID_MAX_HEXSIZE + 1];
 
-	git_oid_tostr(expected_oid, sizeof(expected_oid), expected);
-	git_oid_tostr(actual_oid, sizeof(actual_oid), actual);
+	git_oid_tostr(expected_oid, git_oid_hexsize(expected->type) + 1, expected);
+	git_oid_tostr(actual_oid, git_oid_hexsize(actual->type) + 1, actual);
 
 	git_error_set(GIT_ERROR_ODB, "object hash mismatch - expected %s but got %s",
 		expected_oid, actual_oid);
@@ -1805,7 +1840,7 @@ int git_odb__error_notfound(
 	const char *message, const git_oid *oid, size_t oid_len)
 {
 	if (oid != NULL) {
-		char oid_str[GIT_OID_SHA1_HEXSIZE + 1];
+		char oid_str[GIT_OID_MAX_HEXSIZE + 1];
 		git_oid_tostr(oid_str, oid_len+1, oid);
 		git_error_set(GIT_ERROR_ODB, "object not found - %s (%.*s)",
 			message, (int) oid_len, oid_str);
@@ -1823,7 +1858,7 @@ static int error_null_oid(int error, const char *message)
 
 int git_odb__error_ambiguous(const char *message)
 {
-	git_error_set(GIT_ERROR_ODB, "ambiguous SHA1 prefix - %s", message);
+	git_error_set(GIT_ERROR_ODB, "ambiguous OID prefix - %s", message);
 	return GIT_EAMBIGUOUS;
 }
 
diff --git a/src/libgit2/odb.h b/src/libgit2/odb.h
index 5aa4cc8..c85fa67 100644
--- a/src/libgit2/odb.h
+++ b/src/libgit2/odb.h
@@ -72,7 +72,7 @@ int git_odb__add_default_backends(
  * Hash a git_rawobj internally.
  * The `git_rawobj` is supposed to be previously initialized
  */
-int git_odb__hashobj(git_oid *id, git_rawobj *obj);
+int git_odb__hashobj(git_oid *id, git_rawobj *obj, git_oid_t oid_type);
 
 /*
  * Format the object header such as it would appear in the on-disk object
@@ -89,14 +89,24 @@ int git_odb__format_object_header(size_t *out_len, char *hdr, size_t hdr_size, g
  * The fd is never closed, not even on error. It must be opened and closed
  * by the caller
  */
-int git_odb__hashfd(git_oid *out, git_file fd, size_t size, git_object_t type);
+int git_odb__hashfd(
+	git_oid *out,
+	git_file fd,
+	size_t size,
+	git_object_t object_type,
+	git_oid_t oid_type);
 
 /*
  * Hash an open file descriptor applying an array of filters
  * Acts just like git_odb__hashfd with the addition of filters...
  */
 int git_odb__hashfd_filtered(
-	git_oid *out, git_file fd, size_t len, git_object_t type, git_filter_list *fl);
+	git_oid *out,
+	git_file fd,
+	size_t len,
+	git_object_t object_type,
+	git_oid_t oid_type,
+	git_filter_list *fl);
 
 /*
  * Hash a `path`, assuming it could be a POSIX symlink: if the path is a
@@ -106,7 +116,7 @@ int git_odb__hashfd_filtered(
  * The hash type for this call is always `GIT_OBJECT_BLOB` because
  * symlinks may only point to blobs.
  */
-int git_odb__hashlink(git_oid *out, const char *path);
+int git_odb__hashlink(git_oid *out, const char *path, git_oid_t oid_type);
 
 /**
  * Generate a GIT_EMISMATCH error for the ODB.
diff --git a/src/libgit2/reader.c b/src/libgit2/reader.c
index ba97752..0ff9c89 100644
--- a/src/libgit2/reader.c
+++ b/src/libgit2/reader.c
@@ -125,7 +125,7 @@ static int workdir_reader_read(
 		goto done;
 
 	if (out_id || reader->index) {
-		if ((error = git_odb_hash(&id, out->ptr, out->size, GIT_OBJECT_BLOB)) < 0)
+		if ((error = git_odb_hash(&id, out->ptr, out->size, GIT_OBJECT_BLOB, GIT_OID_SHA1)) < 0)
 			goto done;
 	}
 
diff --git a/src/libgit2/repository.c b/src/libgit2/repository.c
index 1312ccc..adff425 100644
--- a/src/libgit2/repository.c
+++ b/src/libgit2/repository.c
@@ -2986,7 +2986,7 @@ int git_repository_hashfile(
 		goto cleanup;
 	}
 
-	error = git_odb__hashfd_filtered(out, fd, (size_t)len, type, fl);
+	error = git_odb__hashfd_filtered(out, fd, (size_t)len, type, GIT_OID_SHA1, fl);
 
 cleanup:
 	if (fd >= 0)
diff --git a/tests/libgit2/checkout/binaryunicode.c b/tests/libgit2/checkout/binaryunicode.c
index 255b6e0..ea2f527 100644
--- a/tests/libgit2/checkout/binaryunicode.c
+++ b/tests/libgit2/checkout/binaryunicode.c
@@ -36,12 +36,12 @@ static void execute_test(void)
 
 	/* Verify that the lenna.jpg file was checked out correctly */
 	cl_git_pass(git_oid_fromstr(&check, "8ab005d890fe53f65eda14b23672f60d9f4ec5a1", GIT_OID_SHA1));
-	cl_git_pass(git_odb_hashfile(&oid, "binaryunicode/lenna.jpg", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&oid, "binaryunicode/lenna.jpg", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_assert_equal_oid(&oid, &check);
 
 	/* Verify that the text file was checked out correctly */
 	cl_git_pass(git_oid_fromstr(&check, "965b223880dd4249e2c66a0cc0b4cffe1dc40f5a", GIT_OID_SHA1));
-	cl_git_pass(git_odb_hashfile(&oid, "binaryunicode/utf16_withbom_noeol_crlf.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&oid, "binaryunicode/utf16_withbom_noeol_crlf.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_assert_equal_oid(&oid, &check);
 }
 
diff --git a/tests/libgit2/object/raw/hash.c b/tests/libgit2/object/raw/hash.c
index 28bfb1d..e0d3d95 100644
--- a/tests/libgit2/object/raw/hash.c
+++ b/tests/libgit2/object/raw/hash.c
@@ -8,11 +8,11 @@
 
 static void hash_object_pass(git_oid *oid, git_rawobj *obj)
 {
-	cl_git_pass(git_odb_hash(oid, obj->data, obj->len, obj->type));
+	cl_git_pass(git_odb_hash(oid, obj->data, obj->len, obj->type, GIT_OID_SHA1));
 }
 static void hash_object_fail(git_oid *oid, git_rawobj *obj)
 {
-	cl_git_fail(git_odb_hash(oid, obj->data, obj->len, obj->type));
+	cl_git_fail(git_odb_hash(oid, obj->data, obj->len, obj->type, GIT_OID_SHA1));
 }
 
 static char *hello_id = "22596363b3de40b06f981fb85d82312e8c0ed511";
diff --git a/tests/libgit2/repo/hashfile.c b/tests/libgit2/repo/hashfile.c
index e23bb77..f835439 100644
--- a/tests/libgit2/repo/hashfile.c
+++ b/tests/libgit2/repo/hashfile.c
@@ -20,19 +20,19 @@ void test_repo_hashfile__simple(void)
 	git_str full = GIT_STR_INIT;
 
 	/* hash with repo relative path */
-	cl_git_pass(git_odb_hashfile(&a, "status/current_file", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/current_file", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "current_file", GIT_OBJECT_BLOB, NULL));
 	cl_assert_equal_oid(&a, &b);
 
 	cl_git_pass(git_str_joinpath(&full, git_repository_workdir(_repo), "current_file"));
 
 	/* hash with full path */
-	cl_git_pass(git_odb_hashfile(&a, full.ptr, GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, full.ptr, GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, full.ptr, GIT_OBJECT_BLOB, NULL));
 	cl_assert_equal_oid(&a, &b);
 
 	/* hash with invalid type */
-	cl_git_fail(git_odb_hashfile(&a, full.ptr, GIT_OBJECT_ANY));
+	cl_git_fail(git_odb_hashfile(&a, full.ptr, GIT_OBJECT_ANY, GIT_OID_SHA1));
 	cl_git_fail(git_repository_hashfile(&b, _repo, full.ptr, GIT_OBJECT_OFS_DELTA, NULL));
 
 	git_str_dispose(&full);
@@ -59,64 +59,64 @@ void test_repo_hashfile__filtered_in_workdir(void)
 	cl_git_mkfile("status/testfile.bin", "other\r\nstuff\r\n");
 
 	/* not equal hashes because of filtering */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJECT_BLOB, NULL));
 	cl_assert(git_oid_cmp(&a, &b));
 
 	/* not equal hashes because of filtering when specified by absolute path */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, txt.ptr, GIT_OBJECT_BLOB, NULL));
 	cl_assert(git_oid_cmp(&a, &b));
 
 	/* equal hashes because filter is binary */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.bin", GIT_OBJECT_BLOB, NULL));
 	cl_assert_equal_oid(&a, &b);
 
 	/* equal hashes because filter is binary when specified by absolute path */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, bin.ptr, GIT_OBJECT_BLOB, NULL));
 	cl_assert_equal_oid(&a, &b);
 
 	/* equal hashes when 'as_file' points to binary filtering */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJECT_BLOB, "foo.bin"));
 	cl_assert_equal_oid(&a, &b);
 
 	/* equal hashes when 'as_file' points to binary filtering (absolute path) */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, txt.ptr, GIT_OBJECT_BLOB, "foo.bin"));
 	cl_assert_equal_oid(&a, &b);
 
 	/* not equal hashes when 'as_file' points to text filtering */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.bin", GIT_OBJECT_BLOB, "foo.txt"));
 	cl_assert(git_oid_cmp(&a, &b));
 
 	/* not equal hashes when 'as_file' points to text filtering */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, bin.ptr, GIT_OBJECT_BLOB, "foo.txt"));
 	cl_assert(git_oid_cmp(&a, &b));
 
 	/* equal hashes when 'as_file' is empty and turns off filtering */
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJECT_BLOB, ""));
 	cl_assert_equal_oid(&a, &b);
 
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, "testfile.bin", GIT_OBJECT_BLOB, ""));
 	cl_assert_equal_oid(&a, &b);
 
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, txt.ptr, GIT_OBJECT_BLOB, ""));
 	cl_assert_equal_oid(&a, &b);
 
-	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "status/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, bin.ptr, GIT_OBJECT_BLOB, ""));
 	cl_assert_equal_oid(&a, &b);
 
 	/* some hash type failures */
-	cl_git_fail(git_odb_hashfile(&a, "status/testfile.txt", 0));
+	cl_git_fail(git_odb_hashfile(&a, "status/testfile.txt", 0, GIT_OID_SHA1));
 	cl_git_fail(git_repository_hashfile(&b, _repo, "testfile.txt", GIT_OBJECT_ANY, NULL));
 
 	git_str_dispose(&txt);
@@ -144,12 +144,12 @@ void test_repo_hashfile__filtered_outside_workdir(void)
 	cl_git_mkfile("absolute/testfile.bin", "other\r\nstuff\r\n");
 
 	/* not equal hashes because of filtering */
-	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, txt.ptr, GIT_OBJECT_BLOB, "testfile.txt"));
 	cl_assert(git_oid_cmp(&a, &b));
 
 	/* equal hashes because filter is binary */
-	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, bin.ptr, GIT_OBJECT_BLOB, "testfile.bin"));
 	cl_assert_equal_oid(&a, &b);
 
@@ -157,11 +157,11 @@ void test_repo_hashfile__filtered_outside_workdir(void)
 	 * equal hashes because no filtering occurs for absolute paths outside the working
 	 * directory unless as_path is specified
 	 */
-	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.txt", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.txt", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, txt.ptr, GIT_OBJECT_BLOB, NULL));
 	cl_assert_equal_oid(&a, &b);
 
-	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.bin", GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&a, "absolute/testfile.bin", GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_git_pass(git_repository_hashfile(&b, _repo, bin.ptr, GIT_OBJECT_BLOB, NULL));
 	cl_assert_equal_oid(&a, &b);
 
diff --git a/tests/libgit2/status/single.c b/tests/libgit2/status/single.c
index a95d3d0..dfba8f4 100644
--- a/tests/libgit2/status/single.c
+++ b/tests/libgit2/status/single.c
@@ -21,7 +21,7 @@ void test_status_single__hash_single_file(void)
 	cl_git_mkfile(file_name, file_contents);
 	cl_set_cleanup(&cleanup__remove_file, (void *)file_name);
 
-	cl_git_pass(git_odb_hashfile(&actual_id, file_name, GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&actual_id, file_name, GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_assert_equal_oid(&expected_id, &actual_id);
 }
 
@@ -39,7 +39,7 @@ void test_status_single__hash_single_empty_file(void)
 	cl_git_mkfile(file_name, file_contents);
 	cl_set_cleanup(&cleanup__remove_file, (void *)file_name);
 
-	cl_git_pass(git_odb_hashfile(&actual_id, file_name, GIT_OBJECT_BLOB));
+	cl_git_pass(git_odb_hashfile(&actual_id, file_name, GIT_OBJECT_BLOB, GIT_OID_SHA1));
 	cl_assert_equal_oid(&expected_id, &actual_id);
 }