thodg/libgit2

diff --git a/examples/network/index-pack.c b/examples/network/index-pack.c
index 889305d..08b45c5 100644
--- a/examples/network/index-pack.c
+++ b/examples/network/index-pack.c
@@ -46,7 +46,7 @@ int index_pack(git_repository *repo, int argc, char **argv)
 		return EXIT_FAILURE;
 	}
 
-	if (git_indexer_stream_new(&idx, ".", NULL, NULL) < 0) {
+	if (git_indexer_stream_new(&idx, ".", NULL, NULL, NULL) < 0) {
 		puts("bad idx");
 		return -1;
 	}
diff --git a/include/git2/indexer.h b/include/git2/indexer.h
index 4db072c..0858b6e 100644
--- a/include/git2/indexer.h
+++ b/include/git2/indexer.h
@@ -20,12 +20,16 @@ typedef struct git_indexer_stream git_indexer_stream;
  *
  * @param out where to store the indexer instance
  * @param path to the directory where the packfile should be stored
+ * @param odb object database from which to read base objects when
+ * fixing thin packs. Pass NULL if no thin pack is expected (an error
+ * will be returned if there are bases missing)
  * @param progress_cb function to call with progress information
  * @param progress_cb_payload payload for the progress callback
  */
 GIT_EXTERN(int) git_indexer_stream_new(
 		git_indexer_stream **out,
 		const char *path,
+		git_odb *odb,
 		git_transfer_progress_callback progress_cb,
 		void *progress_cb_payload);
 
diff --git a/include/git2/sys/odb_backend.h b/include/git2/sys/odb_backend.h
index 4365906..8039a5b 100644
--- a/include/git2/sys/odb_backend.h
+++ b/include/git2/sys/odb_backend.h
@@ -80,7 +80,7 @@ struct git_odb_backend {
 		git_odb_backend *, git_odb_foreach_cb cb, void *payload);
 
 	int (* writepack)(
-		git_odb_writepack **, git_odb_backend *,
+		git_odb_writepack **, git_odb_backend *, git_odb *odb,
 		git_transfer_progress_callback progress_cb, void *progress_payload);
 
 	void (* free)(git_odb_backend *);
diff --git a/include/git2/types.h b/include/git2/types.h
index b500c98..3939353 100644
--- a/include/git2/types.h
+++ b/include/git2/types.h
@@ -217,6 +217,7 @@ typedef struct git_transfer_progress {
 	unsigned int total_objects;
 	unsigned int indexed_objects;
 	unsigned int received_objects;
+	unsigned int local_objects;
 	size_t received_bytes;
 } git_transfer_progress;
 
diff --git a/src/indexer.c b/src/indexer.c
index 10b6929..21b993a 100644
--- a/src/indexer.c
+++ b/src/indexer.c
@@ -18,6 +18,7 @@
 #include "filebuf.h"
 #include "oid.h"
 #include "oidmap.h"
+#include "compress.h"
 
 #define UINT31_MAX (0x7FFFFFFF)
 
@@ -33,6 +34,7 @@ struct git_indexer_stream {
 		opened_pack :1,
 		have_stream :1,
 		have_delta :1;
+	struct git_pack_header hdr;
 	struct git_pack_file *pack;
 	git_filebuf pack_file;
 	git_off_t off;
@@ -48,6 +50,9 @@ struct git_indexer_stream {
 	void *progress_payload;
 	char objbuf[8*1024];
 
+	/* Needed to look up objects which we want to inject to fix a thin pack */
+	git_odb *odb;
+
 	/* Fields for calculating the packfile trailer (hash of everything before it) */
 	char inbuf[GIT_OID_RAWSZ];
 	int inbuf_len;
@@ -114,6 +119,7 @@ static int objects_cmp(const void *a, const void *b)
 int git_indexer_stream_new(
 		git_indexer_stream **out,
 		const char *prefix,
+		git_odb *odb,
 		git_transfer_progress_callback progress_cb,
 		void *progress_payload)
 {
@@ -124,6 +130,7 @@ int git_indexer_stream_new(
 
 	idx = git__calloc(1, sizeof(git_indexer_stream));
 	GITERR_CHECK_ALLOC(idx);
+	idx->odb = odb;
 	idx->progress_cb = progress_cb;
 	idx->progress_payload = progress_payload;
 	git_hash_ctx_init(&idx->trailer);
@@ -309,17 +316,10 @@ on_error:
 	return -1;
 }
 
-static int hash_and_save(git_indexer_stream *idx, git_rawobj *obj, git_off_t entry_start)
+static int save_entry(git_indexer_stream *idx, struct entry *entry, struct git_pack_entry *pentry, git_off_t entry_start)
 {
 	int i, error;
 	khiter_t k;
-	git_oid oid;
-	size_t entry_size;
-	struct entry *entry;
-	struct git_pack_entry *pentry;
-
-	entry = git__calloc(1, sizeof(*entry));
-	GITERR_CHECK_ALLOC(entry);
 
 	if (entry_start > UINT31_MAX) {
 		entry->offset = UINT32_MAX;
@@ -328,6 +328,34 @@ static int hash_and_save(git_indexer_stream *idx, git_rawobj *obj, git_off_t ent
 		entry->offset = (uint32_t)entry_start;
 	}
 
+	pentry->offset = entry_start;
+	k = kh_put(oid, idx->pack->idx_cache, &pentry->sha1, &error);
+	if (!error)
+		return -1;
+
+	kh_value(idx->pack->idx_cache, k) = pentry;
+
+	/* Add the object to the list */
+	if (git_vector_insert(&idx->objects, entry) < 0)
+		return -1;
+
+	for (i = entry->oid.id[0]; i < 256; ++i) {
+		idx->fanout[i]++;
+	}
+
+	return 0;
+}
+
+static int hash_and_save(git_indexer_stream *idx, git_rawobj *obj, git_off_t entry_start)
+{
+	git_oid oid;
+	size_t entry_size;
+	struct entry *entry;
+	struct git_pack_entry *pentry;
+
+	entry = git__calloc(1, sizeof(*entry));
+	GITERR_CHECK_ALLOC(entry);
+
 	if (git_odb__hashobj(&oid, obj) < 0) {
 		giterr_set(GITERR_INDEXER, "Failed to hash object");
 		goto on_error;
@@ -337,15 +365,6 @@ static int hash_and_save(git_indexer_stream *idx, git_rawobj *obj, git_off_t ent
 	GITERR_CHECK_ALLOC(pentry);
 
 	git_oid_cpy(&pentry->sha1, &oid);
-	pentry->offset = entry_start;
-	k = kh_put(oid, idx->pack->idx_cache, &pentry->sha1, &error);
-	if (!error) {
-		git__free(pentry);
-		goto on_error;
-	}
-
-	kh_value(idx->pack->idx_cache, k) = pentry;
-
 	git_oid_cpy(&entry->oid, &oid);
 	entry->crc = crc32(0L, Z_NULL, 0);
 
@@ -353,15 +372,7 @@ static int hash_and_save(git_indexer_stream *idx, git_rawobj *obj, git_off_t ent
 	if (crc_object(&entry->crc, &idx->pack->mwf, entry_start, entry_size) < 0)
 		goto on_error;
 
-	/* Add the object to the list */
-	if (git_vector_insert(&idx->objects, entry) < 0)
-		goto on_error;
-
-	for (i = oid.id[0]; i < 256; ++i) {
-		idx->fanout[i]++;
-	}
-
-	return 0;
+	return save_entry(idx, entry, pentry, entry_start);
 
 on_error:
 	git__free(entry);
@@ -415,8 +426,8 @@ static void hash_partially(git_indexer_stream *idx, const uint8_t *data, size_t 
 int git_indexer_stream_add(git_indexer_stream *idx, const void *data, size_t size, git_transfer_progress *stats)
 {
 	int error = -1;
-	struct git_pack_header hdr;
 	size_t processed;
+	struct git_pack_header *hdr = &idx->hdr;
 	git_mwindow_file *mwf = &idx->pack->mwf;
 
 	assert(idx && data && stats);
@@ -443,14 +454,14 @@ int git_indexer_stream_add(git_indexer_stream *idx, const void *data, size_t siz
 	if (!idx->parsed_header) {
 		unsigned int total_objects;
 
-		if ((unsigned)idx->pack->mwf.size < sizeof(hdr))
+		if ((unsigned)idx->pack->mwf.size < sizeof(struct git_pack_header))
 			return 0;
 
-		if (parse_header(&hdr, idx->pack) < 0)
+		if (parse_header(&idx->hdr, idx->pack) < 0)
 			return -1;
 
 		idx->parsed_header = 1;
-		idx->nr_objects = ntohl(hdr.hdr_entries);
+		idx->nr_objects = ntohl(hdr->hdr_entries);
 		idx->off = sizeof(struct git_pack_header);
 
 		/* for now, limit to 2^32 objects */
@@ -471,6 +482,7 @@ int git_indexer_stream_add(git_indexer_stream *idx, const void *data, size_t siz
 			return -1;
 
 		stats->received_objects = 0;
+		stats->local_objects = 0;
 		processed = stats->indexed_objects = 0;
 		stats->total_objects = total_objects;
 		do_progress_callback(idx, stats);
@@ -590,6 +602,135 @@ static int index_path_stream(git_buf *path, git_indexer_stream *idx, const char 
 	return git_buf_oom(path) ? -1 : 0;
 }
 
+/**
+ * Rewind the packfile by the trailer, as we might need to fix the
+ * packfile by injecting objects at the tail and must overwrite it.
+ */
+static git_off_t seek_back_trailer(git_indexer_stream *idx)
+{
+	git_off_t off;
+
+	if ((off = p_lseek(idx->pack_file.fd, -GIT_OID_RAWSZ, SEEK_CUR)) < 0)
+		return -1;
+
+	idx->pack->mwf.size -= GIT_OID_RAWSZ;
+	git_mwindow_free_all(&idx->pack->mwf);
+
+	return off;
+}
+
+static int inject_object(git_indexer_stream *idx, git_oid *id)
+{
+	git_odb_object *obj;
+	struct entry *entry;
+	struct git_pack_entry *pentry;
+	git_oid foo = {{0}};
+	unsigned char hdr[64];
+	git_buf buf = GIT_BUF_INIT;
+	git_off_t entry_start;
+	const void *data;
+	size_t len, hdr_len;
+	int error;
+
+	entry = git__calloc(1, sizeof(*entry));
+	GITERR_CHECK_ALLOC(entry);
+
+	entry_start = seek_back_trailer(idx);
+
+	if (git_odb_read(&obj, idx->odb, id) < 0)
+		return -1;
+
+	data = git_odb_object_data(obj);
+	len = git_odb_object_size(obj);
+
+	entry->crc = crc32(0L, Z_NULL, 0);
+
+	/* Write out the object header */
+	hdr_len = git_packfile__object_header(hdr, len, git_odb_object_type(obj));
+	git_filebuf_write(&idx->pack_file, hdr, hdr_len);
+	idx->pack->mwf.size += hdr_len;
+	entry->crc = crc32(entry->crc, hdr, hdr_len);
+
+	if ((error = git__compress(&buf, data, len)) < 0)
+		goto cleanup;
+
+	/* And then the compressed object */
+	git_filebuf_write(&idx->pack_file, buf.ptr, buf.size);
+	idx->pack->mwf.size += buf.size;
+	entry->crc = htonl(crc32(entry->crc, (unsigned char *)buf.ptr, buf.size));
+	git_buf_free(&buf);
+
+	/* Write a fake trailer so the pack functions play ball */
+	if ((error = git_filebuf_write(&idx->pack_file, &foo, GIT_OID_RAWSZ)) < 0)
+		goto cleanup;
+
+	idx->pack->mwf.size += GIT_OID_RAWSZ;
+
+	pentry = git__calloc(1, sizeof(struct git_pack_entry));
+	GITERR_CHECK_ALLOC(pentry);
+
+	git_oid_cpy(&pentry->sha1, id);
+	git_oid_cpy(&entry->oid, id);
+	idx->off = entry_start + hdr_len + len;
+
+	if ((error = save_entry(idx, entry, pentry, entry_start)) < 0)
+		git__free(pentry);
+
+cleanup:
+	git_odb_object_free(obj);
+	return error;
+}
+
+static int fix_thin_pack(git_indexer_stream *idx, git_transfer_progress *stats)
+{
+	int error;
+	unsigned int i;
+	struct delta_info *delta;
+
+	if (idx->odb == NULL) {
+		giterr_set(GITERR_INDEXER, "cannot fix a thin pack without an ODB");
+		return -1;
+	}
+
+	git_vector_foreach(&idx->deltas, i, delta) {
+		size_t size;
+		git_otype type;
+		git_mwindow *w = NULL;
+		git_off_t curpos = delta->delta_off;
+		unsigned char *base_info;
+		unsigned int left = 0;
+		git_oid base;
+
+		error = git_packfile_unpack_header(&size, &type, &idx->pack->mwf, &w, &curpos);
+		git_mwindow_close(&w);
+		if (error < 0)
+			return error;
+
+		if (type != GIT_OBJ_REF_DELTA) {
+			giterr_set(GITERR_INDEXER, "delta with missing base is not REF_DELTA");
+			return -1;
+		}
+
+		/* curpos now points to the base information, which is an OID */
+		base_info = git_mwindow_open(&idx->pack->mwf, &w, curpos, GIT_OID_RAWSZ, &left);
+		if (base_info == NULL) {
+			giterr_set(GITERR_INDEXER, "failed to map delta information");
+			return -1;
+		}
+
+		git_oid_fromraw(&base, base_info);
+		git_mwindow_close(&w);
+
+		if (inject_object(idx, &base) < 0)
+			return -1;
+
+		stats->total_objects++;
+		stats->local_objects++;
+	}
+
+	return 0;
+}
+
 static int resolve_deltas(git_indexer_stream *idx, git_transfer_progress *stats)
 {
 	unsigned int i;
@@ -619,13 +760,61 @@ static int resolve_deltas(git_indexer_stream *idx, git_transfer_progress *stats)
 			 * delta.
 			 */
 			git_vector_remove(&idx->deltas, i);
+			git__free(delta);
 			i--;
 		}
 
-		if (!progressed) {
-			giterr_set(GITERR_INDEXER, "the packfile is missing bases");
+		if (!progressed && (fix_thin_pack(idx, stats) < 0))
+		    return -1;
+	}
+
+	return 0;
+}
+
+static int update_header_and_rehash(git_indexer_stream *idx, git_transfer_progress *stats)
+{
+	void *ptr;
+	size_t chunk = 1024*1024;
+	git_off_t hashed = 0;
+	git_mwindow *w = NULL;
+	git_mwindow_file *mwf;
+	unsigned int left;
+	git_hash_ctx *ctx;
+
+	mwf = &idx->pack->mwf;
+	ctx = &idx->trailer;
+
+	git_hash_ctx_init(ctx);
+	git_mwindow_free_all(mwf);
+
+	/* Update the header to include the numer of local objects we injected */
+	idx->hdr.hdr_entries = htonl(stats->total_objects);
+	if (p_lseek(idx->pack_file.fd, 0, SEEK_SET) < 0) {
+		giterr_set(GITERR_OS, "failed to seek to the beginning of the pack");
+		return -1;
+	}
+
+	if (p_write(idx->pack_file.fd, &idx->hdr, sizeof(struct git_pack_header)) < 0) {
+		giterr_set(GITERR_OS, "failed to update the pack header");
+		return -1;
+	}
+
+	/*
+	 * We now use the same technique as before to determine the
+	 * hash. We keep reading up to the end and let
+	 * hash_partially() keep the existing trailer out of the
+	 * calculation.
+	 */
+	idx->inbuf_len = 0;
+	while (hashed < mwf->size) {
+		ptr = git_mwindow_open(mwf, &w, hashed, chunk, &left);
+		if (ptr == NULL)
 			return -1;
-		}
+
+		hash_partially(idx, ptr, left);
+		hashed += left;
+
+		git_mwindow_close(&w);
 	}
 
 	return 0;
@@ -668,15 +857,28 @@ int git_indexer_stream_finalize(git_indexer_stream *idx, git_transfer_progress *
 		return -1;
 	}
 
-	if (idx->deltas.length > 0)
-		if (resolve_deltas(idx, stats) < 0)
-			return -1;
+	if (resolve_deltas(idx, stats) < 0)
+		return -1;
 
-	if (stats->indexed_objects != stats->total_objects) {
+	if (stats->indexed_objects + stats->local_objects != stats->total_objects) {
 		giterr_set(GITERR_INDEXER, "early EOF");
 		return -1;
 	}
 
+	if (stats->local_objects > 0) {
+		if (update_header_and_rehash(idx, stats) < 0)
+			return -1;
+
+		git_hash_final(&trailer_hash, &idx->trailer);
+		if (p_lseek(idx->pack_file.fd, -GIT_OID_RAWSZ, SEEK_END) < 0)
+			return -1;
+
+		if (p_write(idx->pack_file.fd, &trailer_hash, GIT_OID_RAWSZ) < 0) {
+			giterr_set(GITERR_OS, "failed to update pack trailer");
+			return -1;
+		}
+	}
+
 	git_vector_sort(&idx->objects);
 
 	git_buf_sets(&filename, idx->pack->pack_name);
diff --git a/src/odb.c b/src/odb.c
index b2c138a..0137641 100644
--- a/src/odb.c
+++ b/src/odb.c
@@ -988,7 +988,7 @@ int git_odb_write_pack(struct git_odb_writepack **out, git_odb *db, git_transfer
 
 		if (b->writepack != NULL) {
 			++writes;
-			error = b->writepack(out, b, progress_cb, progress_payload);
+			error = b->writepack(out, b, db, progress_cb, progress_payload);
 		}
 	}
 
diff --git a/src/odb_pack.c b/src/odb_pack.c
index cadc93a..edf94c9 100644
--- a/src/odb_pack.c
+++ b/src/odb_pack.c
@@ -541,6 +541,7 @@ static void pack_backend__writepack_free(struct git_odb_writepack *_writepack)
 
 static int pack_backend__writepack(struct git_odb_writepack **out,
 	git_odb_backend *_backend,
+        git_odb *odb,
 	git_transfer_progress_callback progress_cb,
 	void *progress_payload)
 {
@@ -557,7 +558,7 @@ static int pack_backend__writepack(struct git_odb_writepack **out,
 	GITERR_CHECK_ALLOC(writepack);
 
 	if (git_indexer_stream_new(&writepack->indexer_stream,
-		backend->pack_folder, progress_cb, progress_payload) < 0) {
+		backend->pack_folder, odb, progress_cb, progress_payload) < 0) {
 		git__free(writepack);
 		return -1;
 	}
diff --git a/src/pack-objects.c b/src/pack-objects.c
index 4d79ad9..6a18d4b 100644
--- a/src/pack-objects.c
+++ b/src/pack-objects.c
@@ -1253,7 +1253,7 @@ int git_packbuilder_write(
 	PREPARE_PACK;
 
 	if (git_indexer_stream_new(
-		&indexer, path, progress_cb, progress_cb_payload) < 0)
+		&indexer, path, pb->odb, progress_cb, progress_cb_payload) < 0)
 		return -1;
 
 	ctx.indexer = indexer;
diff --git a/tests-clar/pack/indexer.c b/tests-clar/pack/indexer.c
index 5394d32..fd16160 100644
--- a/tests-clar/pack/indexer.c
+++ b/tests-clar/pack/indexer.c
@@ -1,10 +1,12 @@
 #include "clar_libgit2.h"
+#include <git2.h>
 #include "fileops.h"
 #include "hash.h"
 #include "iterator.h"
 #include "vector.h"
 #include "posix.h"
 
+
 /*
  * This is a packfile with three objects. The second is a delta which
  * depends on the third, which is also a delta.
@@ -23,6 +25,24 @@ unsigned char out_of_order_pack[] = {
 };
 unsigned int out_of_order_pack_len = 112;
 
+/*
+ * Packfile with two objects. The second is a delta against an object
+ * which is not in the packfile
+ */
+unsigned char thin_pack[] = {
+  0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
+  0x32, 0x78, 0x9c, 0x63, 0x67, 0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x76,
+  0xe6, 0x8f, 0xe8, 0x12, 0x9b, 0x54, 0x6b, 0x10, 0x1a, 0xee, 0x95, 0x10,
+  0xc5, 0x32, 0x8e, 0x7f, 0x21, 0xca, 0x1d, 0x18, 0x78, 0x9c, 0x63, 0x62,
+  0x66, 0x4e, 0xcb, 0xcf, 0x07, 0x00, 0x02, 0xac, 0x01, 0x4d, 0x42, 0x52,
+  0x3a, 0x6f, 0x39, 0xd1, 0xfe, 0x66, 0x68, 0x6b, 0xa5, 0xe5, 0xe2, 0x97,
+  0xac, 0x94, 0x6c, 0x76, 0x0b, 0x04
+};
+unsigned int thin_pack_len = 78;
+
+unsigned char base_obj[] = { 07, 076 };
+unsigned int base_obj_len = 2;
+
 void test_pack_indexer__out_of_order(void)
 {
 	git_indexer_stream *idx;
@@ -38,3 +58,71 @@ void test_pack_indexer__out_of_order(void)
 
 	git_indexer_stream_free(idx);
 }
+
+void test_pack_indexer__fix_thin(void)
+{
+	git_indexer_stream *idx;
+	git_transfer_progress stats;
+	git_repository *repo;
+	git_odb *odb;
+	git_oid id, should_id;
+
+	cl_git_pass(git_repository_init(&repo, "thin.git", true));
+	cl_git_pass(git_repository_odb(&odb, repo));
+
+	/* Store the missing base into your ODB so the indexer can fix the pack */
+	cl_git_pass(git_odb_write(&id, odb, base_obj, base_obj_len, GIT_OBJ_BLOB));
+	git_oid_fromstr(&should_id, "e68fe8129b546b101aee9510c5328e7f21ca1d18");
+	cl_assert(!git_oid_cmp(&id, &should_id));
+
+	cl_git_pass(git_indexer_stream_new(&idx, ".", odb, NULL, NULL));
+	cl_git_pass(git_indexer_stream_add(idx, thin_pack, thin_pack_len, &stats));
+	cl_git_pass(git_indexer_stream_finalize(idx, &stats));
+
+	cl_assert_equal_i(stats.total_objects, 3);
+	cl_assert_equal_i(stats.received_objects, 2);
+	cl_assert_equal_i(stats.indexed_objects, 2);
+	cl_assert_equal_i(stats.local_objects, 1);
+
+	git_oid_fromstr(&should_id, "11f0f69b334728fdd8bc86b80499f22f29d85b15");
+	cl_assert(!git_oid_cmp(git_indexer_stream_hash(idx), &should_id));
+
+	git_indexer_stream_free(idx);
+	git_odb_free(odb);
+	git_repository_free(repo);
+
+	/*
+	 * The pack's name/hash only tells us what objects there are,
+	 * so we need to go through the packfile again in order to
+	 * figure out whether we calculated the trailer correctly.
+	 */
+	{
+		unsigned char buffer[128];
+		int fd;
+		ssize_t read;
+		git_off_t left;
+		struct stat st;
+		const char *name = "pack-11f0f69b334728fdd8bc86b80499f22f29d85b15.pack";
+
+		fd = p_open(name, O_RDONLY);
+		cl_assert(fd != -1);
+
+		cl_git_pass(p_stat(name, &st));
+		left = st.st_size;
+
+		cl_git_pass(git_indexer_stream_new(&idx, ".", NULL, NULL, NULL));
+		read = p_read(fd, buffer, sizeof(buffer));
+		cl_assert(read != -1);
+		p_close(fd);
+
+		cl_git_pass(git_indexer_stream_add(idx, buffer, read, &stats));
+		cl_git_pass(git_indexer_stream_finalize(idx, &stats));
+
+		cl_assert_equal_i(stats.total_objects, 3);
+		cl_assert_equal_i(stats.received_objects, 3);
+		cl_assert_equal_i(stats.indexed_objects, 3);
+		cl_assert_equal_i(stats.local_objects, 0);
+
+		git_indexer_stream_free(idx);
+	}
+}
diff --git a/tests-clar/pack/packbuilder.c b/tests-clar/pack/packbuilder.c
index 764fba2..6929256 100644
--- a/tests-clar/pack/packbuilder.c
+++ b/tests-clar/pack/packbuilder.c
@@ -92,7 +92,7 @@ void test_pack_packbuilder__create_pack(void)
 
 	seed_packbuilder();
 
-	cl_git_pass(git_indexer_stream_new(&_indexer, ".", NULL, NULL));
+	cl_git_pass(git_indexer_stream_new(&_indexer, ".", NULL, NULL, NULL));
 	cl_git_pass(git_packbuilder_foreach(_packbuilder, feed_indexer, &stats));
 	cl_git_pass(git_indexer_stream_finalize(_indexer, &stats));
 
@@ -141,7 +141,7 @@ void test_pack_packbuilder__foreach(void)
 	git_indexer_stream *idx;
 
 	seed_packbuilder();
-	cl_git_pass(git_indexer_stream_new(&idx, ".", NULL, NULL));
+	cl_git_pass(git_indexer_stream_new(&idx, ".", NULL, NULL, NULL));
 	cl_git_pass(git_packbuilder_foreach(_packbuilder, foreach_cb, idx));
 	cl_git_pass(git_indexer_stream_finalize(idx, &stats));
 	git_indexer_stream_free(idx);