cgit.c: improve error message when git repo cannot be accessed

[ps-cgit] / cgit.c

diff --git a/cgit.c b/cgit.c
index e302a7c8c387cf096a4f387792c41223cc048b01..5259f56fcd9cc09ebf152bcc163fd2801427afa4 100644 (file)
--- a/cgit.c
+++ b/cgit.c
@@ -403,13 +403,17 @@ static int prepare_repo_cmd(struct cgit_context *ctx)
        char *tmp;
        unsigned char sha1[20];
        int nongit = 0;
+       int rc;
 
        setenv("GIT_DIR", ctx->repo->path, 1);
        setup_git_directory_gently(&nongit);
        if (nongit) {
+               rc = errno;
                ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
                                      "config error");
-               tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
+               tmp = fmt("Failed to open %s: %s",
+                         ctx->repo->name,
+                         rc ? strerror(rc) : "Not a valid git repository");
                ctx->repo = NULL;
                cgit_print_http_headers(ctx);
                cgit_print_docstart(ctx);
@@ -757,8 +761,11 @@ int main(int argc, const char **argv)
         * that virtual-root equals SCRIPT_NAME, minus any possibly
         * trailing slashes.
         */
-       if (!ctx.cfg.virtual_root)
+       if (!ctx.cfg.virtual_root && ctx.cfg.script_name) {
                ctx.cfg.virtual_root = trim_end(ctx.cfg.script_name, '/');
+               if (!ctx.cfg.virtual_root)
+                       ctx.cfg.virtual_root = "";
+        }
 
        /* If no url parameter is specified on the querystring, lets
         * use PATH_INFO as url. This allows cgit to work with virtual