Quick and dirty patch for gitk to make clickable bug/issue links when displaying commits

gistfile1.diff

From b35942dc61aaa07961662aaaea49eb89ae913670 Mon Sep 17 00:00:00 2001
From: Pat Thoyts <patthoyts@users.sourceforge.net>
Date: Fri, 9 Mar 2012 00:20:51 +0000
Subject: [PATCH] gitk: quick hack to make clickable bug links in commit
 message

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
---
 gitk |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/gitk b/gitk
index 4719fd0..8be6044 100755
--- a/gitk
+++ b/gitk
@@ -6716,6 +6716,30 @@ proc appendwithlinks {text tags} {
 	setlink $linkid link$linknum
 	incr linknum
     }
+    set bugs [regexp -indices -all -inline \
+		  {(?:(?:jira)|(?:issue))\s+[0-9]+} $text]
+    foreach bug $bugs {
+	foreach {s e} $bug break
+	regexp {(?:(?:jira)|(?:issue))\s+([0-9]+)}\
+	    [string range $text $s $e] -> bugid
+	incr e
+	$ctext tag add bug$bugid "$start + $s c" "$start + $e c"
+	setbuglink $bugid bug$bugid
+    }
+}
+
+proc setbuglink {bugid tag} {
+    global ctext
+    $ctext tag configure $tag -underline 1
+    $ctext tag bind $tag <Enter> [list linkcursor %W 1]
+    $ctext tag bin $tag <Leave> [list linkcursor %W -1]
+    $ctext tag bind $tag <1> \
+	[list browseto "http://bugzilla.example.com/show_bug.cgi?id=$bugid"]
+}
+
+proc browseto {url} {
+    puts stderr "Launching browser for $url"
+    exec git web--browse $url &
 }
 
 proc setlink {id lk} {
-- 
1.7.9.msysgit.0