X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=update-ref.c;fp=update-ref.c;h=6919cead4beb2a8aae42c9fbac01e1093477b26d;hb=9b143c6e155a8eead165b2a813b533e0f3e0018a;hp=1863b823240790c450e29c1c82041972713d716b;hpb=ed1aadf1b0cb4afc7cb0aaf4cec4f5ad84e3307d;p=git.git

diff --git a/update-ref.c b/update-ref.c
index 1863b823..6919cead 100644
--- a/update-ref.c
+++ b/update-ref.c
@@ -13,6 +13,7 @@ static const char *resolve_ref(const char *path, unsigned char *sha1)
 
 	for (;;) {
 		struct stat st;
+		char *buf;
 		int fd;
 
 		if (--depth < 0)
@@ -44,7 +45,19 @@ static const char *resolve_ref(const char *path, unsigned char *sha1)
 			return NULL;
 		len = read(fd, buffer, sizeof(buffer)-1);
 		close(fd);
-		break;
+
+		/*
+		 * Is it a symbolic ref?
+		 */
+		if (len < 4 || memcmp("ref:", buffer, 4))
+			break;
+		buf = buffer + 4;
+		len -= 4;
+		while (len && isspace(*buf))
+			buf++, len--;
+		while (len && isspace(buf[len-1]))
+			buf[--len] = 0;
+		path = git_path("%.*s", len, buf);
 	}
 	if (len < 40 || get_sha1_hex(buffer, sha1))
 		return NULL;