Add links to the new refs page from summary page

If either branches or tags are filtered on the summary page, add a link to
refs/heads and/or refs/tags right below the last branch/tag.

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

cgit.h

@@ -236,6 +236,8 @@ extern void cgit_log_link(char *name, char *title, char *class, char *head,
 			  char *rev, char *path, int ofs);
 extern void cgit_commit_link(char *name, char *title, char *class, char *head,
 			     char *rev);
+extern void cgit_refs_link(char *name, char *title, char *class, char *head,
+			   char *rev, char *path);
 extern void cgit_snapshot_link(char *name, char *title, char *class,
 			       char *head, char *rev, char *archivename);
 extern void cgit_diff_link(char *name, char *title, char *class, char *head,

ui-shared.c

@@ -227,6 +227,12 @@ void cgit_commit_link(char *name, char *title, char *class, char *head,
 	reporevlink("commit", name, title, class, head, rev, NULL);
 }
 
+void cgit_refs_link(char *name, char *title, char *class, char *head,
+		    char *rev, char *path)
+{
+	reporevlink("refs", name, title, class, head, rev, path);
+}
+
 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 			char *rev, char *archivename)
 {

ui-summary.c

@@ -166,6 +166,13 @@ static int cgit_print_archive_cb(const char *refname, const unsigned char *sha1,
 	return 0;
 }
 
+static void print_refs_link(char *path)
+{
+	html("<tr class='nohover'><td colspan='4'>");
+	cgit_refs_link("[...]", NULL, NULL, cgit_query_head, NULL, path);
+	html("</td></tr>");
+}
+
 void cgit_print_branches(int maxcount)
 {
 	struct reflist list;
@@ -190,6 +197,9 @@ void cgit_print_branches(int maxcount)
 
 	for(i=0; i<maxcount; i++)
 		cgit_print_branch(list.refs[i]);
+
+	if (maxcount < list.count)
+		print_refs_link("heads");
 }
 
 void cgit_print_tags(int maxcount)
@@ -211,6 +221,9 @@ void cgit_print_tags(int maxcount)
 	print_tag_header();
 	for(i=0; i<maxcount; i++)
 		print_tag(list.refs[i]);
+
+	if (maxcount < list.count)
+		print_refs_link("tags");
 }
 
 static void cgit_print_archives()