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);
 }