Add support for line number in url fragment

With this change, urls like http://hjemli.net/git/cgit/tree/ui-tree.c#43 can
be used to jump directly to the specified line number.

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

2 files changed, 10 insertions, 1 deletions

diff --git a/cgit.css b/cgit.css
index 43a40a3..54bbfcc 100644
--- a/cgit.css
+++ b/cgit.css
@@ -212,6 +212,15 @@ table.blob td.no {
         text-align: right;
 }
 
+table.blob td.no a {
+        color: black;
+}
+
+table.blob td.no a:hover {
+        color: black;
+        text-decoration: none;
+}
+
 table.blob td.txt {
         white-space: pre;
         font-family: monospace;
diff --git a/ui-tree.c b/ui-tree.c
index 75ce449..634132f 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -43,7 +43,7 @@ static void print_object(const unsigned char *sha1, char *path)
         while(idx < size) {
                 if (buf[idx] == '\n') {
                         buf[idx] = '\0';
-                        htmlf("<tr><td class='no'>%d</td><td class='txt'>",
+                        htmlf("<tr><td class='no'><a name='%d'>%1$d</a></td><td class='txt'>",
                               ++lineno);
                         html_txt(buf + start);
                         html("</td></tr>\n");