Add support for "readme" option

The value of this option is used as the default value for repo.readme.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

1 files changed, 28 insertions, 14 deletions

diff --git a/ui-summary.c b/ui-summary.c
index 02f191e..b203bcc 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -70,33 +70,47 @@ void cgit_print_summary()
 
 void cgit_print_repo_readme(char *path)
 {
-        char *slash, *tmp, *colon, *ref = 0;
+        char *slash, *tmp, *colon, *ref;
 
-        if (!ctx.repo->readme)
+        if (!ctx.repo->readme || !(*ctx.repo->readme))
                 return;
 
+        ref = NULL;
+
+        /* Check if the readme is tracked in the git repo. */
+        colon = strchr(ctx.repo->readme, ':');
+        if (colon && strlen(colon) > 1) {
+                *colon = '\0';
+                ref = ctx.repo->readme;
+                ctx.repo->readme = colon + 1;
+                if (!(*ctx.repo->readme))
+                        return;
+        }
+
+        /* Prepend repo path to relative readme path unless tracked. */
+        if (!ref && *ctx.repo->readme != '/')
+                ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path,
+                                               ctx.repo->readme));
+
+        /* If a subpath is specified for the about page, make it relative
+         * to the directory containing the configured readme.
+         */
         if (path) {
                 slash = strrchr(ctx.repo->readme, '/');
                 if (!slash) {
-                        slash = strchr(ctx.repo->readme, ':');
-                        if (!slash)
+                        if (!colon)
                                 return;
+                        slash = colon;
                 }
                 tmp = xmalloc(slash - ctx.repo->readme + 1 + strlen(path) + 1);
                 strncpy(tmp, ctx.repo->readme, slash - ctx.repo->readme + 1);
                 strcpy(tmp + (slash - ctx.repo->readme + 1), path);
         } else
                 tmp = ctx.repo->readme;
-        colon = strchr(tmp, ':');
-        if (colon && strlen(colon) > 1) {
-                *colon = '\0';
-                ref = tmp;
-                tmp = colon + 1;
-                while ((*tmp == '/' || *tmp == ':') && *tmp != '\0')
-                        ++tmp;
-                if (!(*tmp))
-                        return;
-        }
+
+        /* Print the calculated readme, either from the git repo or from the
+         * filesystem, while applying the about-filter.
+         */
         html("<div id='summary'>");
         if (ctx.repo->about_filter)
                 cgit_open_filter(ctx.repo->about_filter);