ui-tag.c: do not segfault when id is missing from query-string

[ps-cgit] / ui-tag.c

diff --git a/ui-tag.c b/ui-tag.c
index 0e056e016092f53c508d86cdefd3e76f0fcb7d36..8c263abea70bce9fedf5fe816cba78b44eb37d8b 100644 (file)
--- a/ui-tag.c
+++ b/ui-tag.c
@@ -37,7 +37,10 @@ void cgit_print_tag(char *revname)
        struct tag *tag;
        struct taginfo *info;
 
-       if (get_sha1(revname, sha1)) {
+       if (!revname)
+               revname = ctx.qry.head;
+
+       if (get_sha1(fmt("refs/tags/%s", revname), sha1)) {
                cgit_print_error(fmt("Bad tag reference: %s", revname));
                return;
        }