ui-summary: Use default branch for readme if : prefix

If the readme value begins with ":", and has no specified branch before
it, use the repository's default branch.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/ui-summary.c b/ui-summary.c
index f965b32..abf914e 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -108,7 +108,12 @@ void cgit_print_repo_readme(char *path)
         colon = strchr(ctx.repo->readme, ':');
         if (colon && strlen(colon) > 1) {
                 *colon = '\0';
-                ref = ctx.repo->readme;
+                /* If it starts with a colon, we want to use
+                 * the default branch */
+                if (colon == ctx.repo->readme && ctx.repo->defbranch)
+                        ref = ctx.repo->defbranch;
+                else
+                        ref = ctx.repo->readme;
                 ctx.repo->readme = colon + 1;
                 if (!(*ctx.repo->readme))
                         return;