Fix the submodule rows in the tree listing

A submodule row linked to a path with its trailing slash stripped,
was labelled by its path rather than its entry name, shared the
name's element with its hash, claimed a size of zero and offered a
blame button that cannot work on a gitlink.

1 file changed, 17 insertions, 13 deletions

diff --git a/source/ui-shared.c b/source/ui-shared.c
index 05fa30b..02352bf 100644
--- a/source/ui-shared.c
+++ b/source/ui-shared.c
@@ -1032,7 +1032,8 @@ void cgit_submodule_link(const char *class, char *path, const char *rev)
 {
 	struct string_list *list;
 	struct string_list_item *item;
-	char tail, *dir;
+	char tail;
+	const char *name;
 	size_t len;
 
 	len = 0;
@@ -1047,6 +1048,12 @@ void cgit_submodule_link(const char *class, char *path, const char *rev)
 			item = lookup_path(list, path);
 		}
 	}
+
+	// The row shows the entry's own name, like every other row, while
+	// the lookups above want the full path.
+	name = strrchr(path, '/');
+	name = name ? name + 1 : path;
+
 	if (item || ctx.repo->module_link) {
 		html("<a ");
 		if (class)
@@ -1056,29 +1063,26 @@ void cgit_submodule_link(const char *class, char *path, const char *rev)
 			const char *args[] = { rev };
 			emit_module_link(item->util, args, 1);
 		} else {
-			const char *args[2];
-			dir = strrchr(path, '/');
-			if (dir)
-				dir++;
-			else
-				dir = path;
-			args[0] = dir;
-			args[1] = rev;
+			const char *args[] = { name, rev };
 			emit_module_link(ctx.repo->module_link, args, 2);
 		}
 		html("'>");
-		html_txt(path);
+		html_txt(name);
 		html("</a>");
 	} else {
 		html("<span");
 		if (class)
 			htmlf(" class='%s'", class);
 		html(">");
-		html_txt(path);
+		html_txt(name);
 		html("</span>");
 	}
-	html_txtf(" @ %.7s", rev);
-	if (item && tail)
+	html(" @ <span class='ls-mod-hash' title='");
+	html_attr(rev);
+	html("'>");
+	html_txtf("%.7s", rev);
+	html("</span>");
+	if (tail == '/')
 		path[len - 1] = tail;
 }