X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=pack-write.c;h=665e2b29b8817aa6a8aa83ccd859ab51e7bb2234;hb=4f395eed33816be70181a818cbce4bb7235b83be;hp=1cf5f7c9f0956a457de03c64238d298a9d996984;hpb=db1a4bc168f951ba23eba5bbcdb42fc683feb657;p=git.git

diff --git a/pack-write.c b/pack-write.c
index 1cf5f7c9f..665e2b29b 100644
--- a/pack-write.c
+++ b/pack-write.c
@@ -17,7 +17,8 @@ static int sha1_compare(const void *_a, const void *_b)
  * the SHA1 hash of sorted object names. The objects array passed in
  * will be sorted by SHA1 on exit.
  */
-const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects, int nr_objects, unsigned char *sha1)
+char *write_idx_file(char *index_name, struct pack_idx_entry **objects,
+		     int nr_objects, unsigned char *sha1)
 {
 	struct sha1file *f;
 	struct pack_idx_entry **sorted_by_sha, **list, **last;
@@ -45,7 +46,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
 		static char tmpfile[PATH_MAX];
 		snprintf(tmpfile, sizeof(tmpfile),
 			 "%s/tmp_idx_XXXXXX", get_object_directory());
-		fd = mkstemp(tmpfile);
+		fd = xmkstemp(tmpfile);
 		index_name = xstrdup(tmpfile);
 	} else {
 		unlink(index_name);
@@ -179,3 +180,29 @@ void fixup_pack_header_footer(int pack_fd,
 	SHA1_Final(pack_file_sha1, &c);
 	write_or_die(pack_fd, pack_file_sha1, 20);
 }
+
+char *index_pack_lockfile(int ip_out)
+{
+	int len, s;
+	char packname[46];
+
+	/*
+	 * The first thing we expects from index-pack's output
+	 * is "pack\t%40s\n" or "keep\t%40s\n" (46 bytes) where
+	 * %40s is the newly created pack SHA1 name.  In the "keep"
+	 * case, we need it to remove the corresponding .keep file
+	 * later on.  If we don't get that then tough luck with it.
+	 */
+	for (len = 0;
+		 len < 46 && (s = xread(ip_out, packname+len, 46-len)) > 0;
+		 len += s);
+	if (len == 46 && packname[45] == '\n' &&
+		memcmp(packname, "keep\t", 5) == 0) {
+		char path[PATH_MAX];
+		packname[45] = 0;
+		snprintf(path, sizeof(path), "%s/pack/pack-%s.keep",
+			 get_object_directory(), packname + 5);
+		return xstrdup(path);
+	}
+	return NULL;
+}