add logref support to git-symbolic-ref
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/refs.c b/refs.c
index ec6fe29..5913185 100644
--- a/refs.c
+++ b/refs.c
@@ -986,18 +986,23 @@
return 0;
}
-int create_symref(const char *ref_target, const char *refs_heads_master)
+int create_symref(const char *ref_target, const char *refs_heads_master,
+ const char *logmsg)
{
const char *lockpath;
char ref[1000];
int fd, len, written;
const char *git_HEAD = git_path("%s", ref_target);
+ unsigned char old_sha1[20], new_sha1[20];
+
+ if (logmsg && read_ref(ref_target, old_sha1))
+ hashclr(old_sha1);
#ifndef NO_SYMLINK_HEAD
if (prefer_symlink_refs) {
unlink(git_HEAD);
if (!symlink(refs_heads_master, git_HEAD))
- return 0;
+ goto done;
fprintf(stderr, "no symlink - falling back to symbolic ref\n");
}
#endif
@@ -1030,6 +1035,11 @@
error("Unable to fix permissions on %s", lockpath);
return -4;
}
+
+ done:
+ if (logmsg && !read_ref(refs_heads_master, new_sha1))
+ log_ref_write(ref_target, old_sha1, new_sha1, logmsg);
+
return 0;
}
