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authorLars Hjemli <hjemli@gmail.com>2011-06-20 22:52:51 +0000
committerLars Hjemli <hjemli@gmail.com>2011-06-20 23:23:57 +0000
commit8d7c2ec295423fe31d9113038f6717d7b64dbe57 (patch)
tree78df2a78ae27a8f879ae71e92a47b0e284de7221
parente95c70d4ea997d1217d5c81cb3b640f3fa025df1 (diff)
cgit.c: use resolve_ref() to guess_defbranch()
The resolve_ref() function handles reading of git- and filesystem symbolic links (including proper whitespace trimming) and packed refs. There's no point in reimplementing this function in cgit. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
-rw-r--r--cgit.c34
1 files changed, 7 insertions, 27 deletions
diff --git a/cgit.c b/cgit.c
index e3fbbf4..624cb2c 100644
--- a/cgit.c
+++ b/cgit.c
@@ -418,33 +418,13 @@ char *find_default_branch(struct cgit_repo *repo)
static char *guess_defbranch(const char *repo_path)
{
- int fd, len;
- char buffer[256];
- char *ref_start;
- char *head;
-
- head = fmt("%s/HEAD", repo_path);
- fd = open(head, O_RDONLY);
- if (fd == -1)
- return xstrdup("master");
-
- memset(buffer, 0, sizeof(buffer));
- len = read_in_full(fd, buffer, sizeof(buffer) - 1);
- close(fd);
-
- if(!memcmp(buffer, "ref: refs/heads/", 16))
- return xstrndup(buffer + 16, len - 17);
-
- if(strlen(buffer) == 41) {
- /* probably contains a SHA1 sum */
- memset(buffer, 0, sizeof(buffer));
- if(readlink(head, buffer, sizeof(buffer)-1)) {
- ref_start = memmem(buffer, sizeof(buffer)-1, "refs/heads/", 11);
- if(ref_start)
- return xstrdup(ref_start+11);
- }
- }
- return xstrdup("master");
+ const char *ref;
+ unsigned char sha1[20];
+
+ ref = resolve_ref("HEAD", sha1, 0, NULL);
+ if (!ref || prefixcmp(ref, "refs/heads/"))
+ return "master";
+ return xstrdup(ref + 11);
}
static int prepare_repo_cmd(struct cgit_context *ctx)