1 files changed, 2 insertions, 1 deletions

diff --git a/ui-commit.c b/ui-commit.c
index b3d1c28..20a7cb2 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -93,147 +93,148 @@ void print_fileinfo(struct fileinfo *info)
 	} else {
 		html_txt(info->new_path);
 		html("</a>");
 	}
 	html("</td><td class='right'>");
 	htmlf("%d", info->added + info->removed);
 
 	html("</td><td class='graph'>");
 	width = (info->added + info->removed) * 100.0 / max_changes;
 	if (width < 0.1)
 		width = 0.1;
 	html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
 		       NULL, NULL);
 	htmlf("<img src='/cgit/add.png' style='width: %.1f%%;'/>",
 	      info->added * width / (info->added + info->removed));
 	htmlf("<img src='/cgit/del.png' style='width: %.1f%%;'/>",
 	      info->removed * width / (info->added + info->removed));
 	html("</a></td></tr>\n");
 }
 
 void cgit_count_diff_lines(char *line, int len)
 {
 	if (line && (len > 0)) {
 		if (line[0] == '+')
 			lines_added++;
 		else if (line[0] == '-')
 			lines_removed++;
 	}
 }
 
 void inspect_filepair(struct diff_filepair *pair)
 {
 	files++;
 	lines_added = 0;
 	lines_removed = 0;
 	cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
 	if (files >= slots) {
 		if (slots == 0)
 			slots = 4;
 		else
 			slots = slots * 2;
 		items = xrealloc(items, slots * sizeof(struct fileinfo));
 	}
 	items[files-1].status = pair->status;
 	hashcpy(items[files-1].old_sha1, pair->one->sha1);
 	hashcpy(items[files-1].new_sha1, pair->two->sha1);
 	items[files-1].old_mode = pair->one->mode;
 	items[files-1].new_mode = pair->two->mode;
 	items[files-1].old_path = xstrdup(pair->one->path);
 	items[files-1].new_path = xstrdup(pair->two->path);
 	items[files-1].added = lines_added;
 	items[files-1].removed = lines_removed;
 	if (lines_added + lines_removed > max_changes)
 		max_changes = lines_added + lines_removed;
 	total_adds += lines_added;
 	total_rems += lines_removed;
 }
 
 
 void cgit_print_commit(const char *hex)
 {
 	struct commit *commit, *parent;
 	struct commitinfo *info;
 	struct commit_list *p;
 	unsigned char sha1[20];
 	char *query;
 	char *filename;
 	int i;
 
 	if (get_sha1(hex, sha1)) {
 		cgit_print_error(fmt("Bad object id: %s", hex));
 		return;
 	}
 	commit = lookup_commit_reference(sha1);
 	if (!commit) {
 		cgit_print_error(fmt("Bad commit reference: %s", hex));
 		return;
 	}
 	info = cgit_parse_commit(commit);
 
 	html("<table class='commit-info'>\n");
 	html("<tr><th>author</th><td>");
 	html_txt(info->author);
 	html(" ");
 	html_txt(info->author_email);
 	html("</td><td class='right'>");
 	cgit_print_date(info->author_date);
 	html("</td></tr>\n");
 	html("<tr><th>committer</th><td>");
 	html_txt(info->committer);
 	html(" ");
 	html_txt(info->committer_email);
 	html("</td><td class='right'>");
 	cgit_print_date(info->committer_date);
 	html("</td></tr>\n");
 	html("<tr><th>tree</th><td colspan='2' class='sha1'><a href='");
-	query = fmt("id=%s", sha1_to_hex(commit->tree->object.sha1));
+	query = fmt("h=%s&id=%s", sha1_to_hex(commit->object.sha1),
+		    sha1_to_hex(commit->tree->object.sha1));
 	html_attr(cgit_pageurl(cgit_query_repo, "tree", query));
 	htmlf("'>%s</a></td></tr>\n", sha1_to_hex(commit->tree->object.sha1));
       	for (p = commit->parents; p ; p = p->next) {
 		parent = lookup_commit_reference(p->item->object.sha1);
 		if (!parent) {
 			html("<tr><td colspan='3'>");
 			cgit_print_error("Error reading parent commit");
 			html("</td></tr>");
 			continue;
 		}
 		html("<tr><th>parent</th>"
 		     "<td colspan='2' class='sha1'>"
 		     "<a href='");
 		query = fmt("id=%s", sha1_to_hex(p->item->object.sha1));
 		html_attr(cgit_pageurl(cgit_query_repo, "commit", query));
 		htmlf("'>%s</a> (<a href='",
 		      sha1_to_hex(p->item->object.sha1));
 		query = fmt("id=%s&id2=%s", sha1_to_hex(parent->tree->object.sha1),
 			    sha1_to_hex(commit->tree->object.sha1));
 		html_attr(cgit_pageurl(cgit_query_repo, "diff", query));
 		html("'>diff</a>)</td></tr>");
 	}
 	if (cgit_repo->snapshots) {
 		htmlf("<tr><th>download</th><td colspan='2' class='sha1'><a href='");
 		filename = fmt("%s-%s.zip", cgit_query_repo, hex);
 		html_attr(cgit_pageurl(cgit_query_repo, "snapshot",
 				       fmt("id=%s&name=%s", hex, filename)));
 		htmlf("'>%s</a></td></tr>", filename);
 	}
 	html("</table>\n");
 	html("<div class='commit-subject'>");
 	html_txt(info->subject);
 	html("</div>");
 	html("<div class='commit-msg'>");
 	html_txt(info->msg);
 	html("</div>");
 	if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
 		html("<table class='diffstat'>");
 		max_changes = 0;
 		cgit_diff_commit(commit, inspect_filepair);
 		for(i = 0; i<files; i++)
 			print_fileinfo(&items[i]);
 		html("</table>");
 		html("<div class='diffstat-summary'>");
 		htmlf("%d files changed, %d insertions, %d deletions\n",
 		      files, total_adds, total_rems);
 		html("</div>");
 	}
 	cgit_free_commitinfo(info);
 }