Emit `updated` on an empty atom feed

The feed-level element was written only inside the commit loop, so a
feed with no commits omitted an element the atom format requires.

1 file changed, 7 insertions, 0 deletions

diff --git a/source/ui-atom.c b/source/ui-atom.c
index 0659e96..3dc27c6 100644
--- a/source/ui-atom.c
+++ b/source/ui-atom.c
@@ -154,6 +154,13 @@ void cgit_print_atom(char *tip, const char *path, int max_count)
 		release_commit_memory(the_repository->parsed_objects, commit);
 		commit->parents = NULL;
 	}
+	if (first) {
+		/* An empty feed still needs one feed-level <updated>. */
+		html("<updated>");
+		html_txt(show_date(time(NULL), 0,
+			date_mode_from_type(DATE_ISO8601_STRICT)));
+		html("</updated>\n");
+	}
 	html("</feed>\n");
 	free(host);
 }