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-rw-r--r--cgit.c62
1 files changed, 58 insertions, 4 deletions
diff --git a/cgit.c b/cgit.c
index 9ca93a7..e8acc03 100644
--- a/cgit.c
+++ b/cgit.c
@@ -45,13 +45,44 @@ static int cgit_prepare_cache(struct cacheitem *item)
return 1;
}
+struct refmatch {
+ char *req_ref;
+ char *first_ref;
+ int match;
+};
+
+int find_current_ref(const char *refname, const unsigned char *sha1,
+ int flags, void *cb_data)
+{
+ struct refmatch *info;
+
+ info = (struct refmatch *)cb_data;
+ if (!strcmp(refname, info->req_ref))
+ info->match = 1;
+ if (!info->first_ref)
+ info->first_ref = xstrdup(refname);
+ return info->match;
+}
+
+char *find_default_branch(struct repoinfo *repo)
+{
+ struct refmatch info;
+
+ info.req_ref = repo->defbranch;
+ info.first_ref = NULL;
+ info.match = 0;
+ for_each_branch_ref(find_current_ref, &info);
+ if (info.match)
+ return info.req_ref;
+ else
+ return info.first_ref;
+}
+
static void cgit_print_repo_page(struct cacheitem *item)
{
- char *title;
+ char *title, *tmp;
int show_search;
-
- if (!cgit_query_head)
- cgit_query_head = cgit_repo->defbranch;
+ unsigned char sha1[20];
if (chdir(cgit_repo->path)) {
title = fmt("%s - %s", cgit_root_title, "Bad request");
@@ -67,6 +98,29 @@ static void cgit_print_repo_page(struct cacheitem *item)
show_search = 0;
setenv("GIT_DIR", cgit_repo->path, 1);
+ if (!cgit_query_head) {
+ cgit_query_head = xstrdup(find_default_branch(cgit_repo));
+ cgit_repo->defbranch = cgit_query_head;
+ }
+
+ if (!cgit_query_head) {
+ cgit_print_docstart(title, item);
+ cgit_print_pageheader(title, 0);
+ cgit_print_error("Repository seems to be empty");
+ cgit_print_docend();
+ return;
+ }
+
+ if (get_sha1(cgit_query_head, sha1)) {
+ tmp = xstrdup(cgit_query_head);
+ cgit_query_head = cgit_repo->defbranch;
+ cgit_print_docstart(title, item);
+ cgit_print_pageheader(title, 0);
+ cgit_print_error(fmt("Invalid branch: %s", tmp));
+ cgit_print_docend();
+ return;
+ }
+
if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1,
cgit_repobasename(cgit_repo->url),