Handle missing default branch and error out on invalid branch names

When no branch is specified and the repository does not have a default branch,
use the first branch.

Also, print sensible errormessages when the repository does not contain any
branches and when invalid branchnames are specified.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This commit is contained in:
Lars Hjemli 2008-01-04 13:43:40 +01:00
parent 620bb3e5e4
commit f80ff37a17

62
cgit.c
View File

@ -45,13 +45,44 @@ static int cgit_prepare_cache(struct cacheitem *item)
return 1; 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) static void cgit_print_repo_page(struct cacheitem *item)
{ {
char *title; char *title, *tmp;
int show_search; int show_search;
unsigned char sha1[20];
if (!cgit_query_head)
cgit_query_head = cgit_repo->defbranch;
if (chdir(cgit_repo->path)) { if (chdir(cgit_repo->path)) {
title = fmt("%s - %s", cgit_root_title, "Bad request"); 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; show_search = 0;
setenv("GIT_DIR", cgit_repo->path, 1); 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) { if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1, cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1,
cgit_repobasename(cgit_repo->url), cgit_repobasename(cgit_repo->url),