Add submodule links in tree listing

When a submodule occurs in a tree, generate a link to show the
module/commit. The link is specified as a sprintf string in /etc/cgitrc,
using parameters 'module-link' and 'repo.module-link'. This should probably
be extended with repo.module-link.$path.

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

1 files changed, 10 insertions, 9 deletions

diff --git a/ui-tree.c b/ui-tree.c
index 60f7560..dee8309 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -6,56 +6,57 @@
  *   (see COPYING for full license text)
  */
 
 #include "cgit.h"
 
 
 static int print_entry(const unsigned char *sha1, const char *base, 
 		       int baselen, const char *pathname, unsigned int mode, 
 		       int stage)
 {
 	char *name;
 	enum object_type type;
-	unsigned long size;
+	unsigned long size = 0;
 
 	name = xstrdup(pathname);
 	type = sha1_object_info(sha1, &size);
-	if (type == OBJ_BAD) {
+	if (type == OBJ_BAD && !S_ISDIRLNK(mode)) {
 		htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
 		      name,
 		      sha1_to_hex(sha1));
 		return 0;
 	}
 	html("<tr><td class='filemode'>");
 	html_filemode(mode);
-	html("</td><td>");
+	html("</td><td ");
 	if (S_ISDIRLNK(mode)) {
-		htmlf("<div class='ls-dirlnk'>%s => submodule</div>", name);
+		htmlf("class='ls-mod'><a href='");
+		html_attr(fmt(cgit_repo->module_link,
+			      name,
+			      sha1_to_hex(sha1)));
 	} else if (S_ISDIR(mode)) {
-		html("<div class='ls-dir'><a href='");
+		html("class='ls-dir'><a href='");
 		html_attr(cgit_pageurl(cgit_query_repo, "tree", 
 				       fmt("id=%s&path=%s%s/", 
 					   sha1_to_hex(sha1),
 					   cgit_query_path ? cgit_query_path : "",
 					   pathname)));
-		htmlf("'>%s</a></div>", name);
 	} else {
-		html("<div class='ls-blob'><a href='");
+		html("class='ls-blob'><a href='");
 		html_attr(cgit_pageurl(cgit_query_repo, "view",
 				      fmt("id=%s&path=%s%s", sha1_to_hex(sha1),
 					  cgit_query_path ? cgit_query_path : "",
 					  pathname)));
-		htmlf("'>%s</a></div>", name);
 	}
-	html("</div></td>");
+	htmlf("'>%s</a></div></td>", name);
 	htmlf("<td class='filesize'>%li</td>", size);
 	html("</tr>\n");
 	free(name);
 	return 0;
 }
 
 void cgit_print_tree(const char *hex, char *path)
 {
 	struct tree *tree;
 	unsigned char sha1[20];
 
 	if (get_sha1_hex(hex, sha1)) {