X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=sha1_file.c;h=adcf37c3f68d16200b01adae441fa3d8f68e3c02;hb=efb98b44536300f5daed25da3650033a1ce7fdef;hp=c3170961cedd080f7021093b50e3d607169874bd;hpb=58dd4915ba1a933af0087e351743e31b2f9be878;p=git.git

diff --git a/sha1_file.c b/sha1_file.c
index c3170961c..adcf37c3f 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -177,7 +177,7 @@ char *sha1_file_name(const unsigned char *sha1)
 }
 
 static char *sha1_get_pack_name(const unsigned char *sha1,
-				char **name, char **base)
+				char **name, char **base, const char *which)
 {
 	static const char hex[] = "0123456789abcdef";
 	char *buf;
@@ -187,7 +187,8 @@ static char *sha1_get_pack_name(const unsigned char *sha1,
 		const char *sha1_file_directory = get_object_directory();
 		int len = strlen(sha1_file_directory);
 		*base = xmalloc(len + 60);
-		sprintf(*base, "%s/pack/pack-1234567890123456789012345678901234567890.pack", sha1_file_directory);
+		sprintf(*base, "%s/pack/pack-1234567890123456789012345678901234567890.%s",
+			sha1_file_directory, which);
 		*name = *base + len + 11;
 	}
 
@@ -206,14 +207,14 @@ char *sha1_pack_name(const unsigned char *sha1)
 {
 	static char *name, *base;
 
-	return sha1_get_pack_name(sha1, &name, &base);
+	return sha1_get_pack_name(sha1, &name, &base, "pack");
 }
 
 char *sha1_pack_index_name(const unsigned char *sha1)
 {
 	static char *name, *base;
 
-	return sha1_get_pack_name(sha1, &name, &base);
+	return sha1_get_pack_name(sha1, &name, &base, "idx");
 }
 
 struct alternate_object_database *alt_odb_list;
@@ -370,6 +371,18 @@ static void read_info_alternates(const char * relative_base, int depth)
 	munmap(map, mapsz);
 }
 
+void add_to_alternates_file(const char *reference)
+{
+	struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
+	int fd = hold_lock_file_for_append(lock, git_path("objects/info/alternates"), 1);
+	char *alt = mkpath("%s/objects\n", reference);
+	write_or_die(fd, alt, strlen(alt));
+	if (commit_lock_file(lock))
+		die("could not close alternates file");
+	if (alt_odb_tail)
+		link_alt_odb_entries(alt, alt + strlen(alt), '\n', NULL, 0);
+}
+
 void prepare_alt_odb(void)
 {
 	const char *alt;