about: allow to give head from query

Reading the README from repository used to be limited to default
branch or a branch given in configuration. Let's allow a branch
from query if not specified explicitly.

Signed-off-by: Christian Hesse <mail@eworm.de>

1 files changed, 5 insertions, 3 deletions

diff --git a/cgit.c b/cgit.c
index 4b2d86c..2de6d7f 100644
--- a/cgit.c
+++ b/cgit.c
@@ -507,9 +507,11 @@ static inline void parse_readme(const char *readme, char **filename, char **ref,
         /* Check if the readme is tracked in the git repo. */
         colon = strchr(readme, ':');
         if (colon && strlen(colon) > 1) {
-                /* If it starts with a colon, we want to use
-                 * the default branch */
-                if (colon == readme && repo->defbranch)
+                /* If it starts with a colon, we want to use head given
+                 * from query or the default branch */
+                if (colon == readme && ctx.qry.head)
+                        *ref = xstrdup(ctx.qry.head);
+                else if (colon == readme && repo->defbranch)
                         *ref = xstrdup(repo->defbranch);
                 else
                         *ref = xstrndup(readme, colon - readme);