# HG changeset patch
# User Steve Losh <steve@stevelosh.com>
# Date 1278473470 14400
# Node ID 3b303e310e16bee67e5870c5c5e2933e1357dd7c
# Parent  9a08affdfc353d4bff5be3543655f45dd22a791e
web: add a link to download a changeset patch

diff -r 9a08affdfc35 -r 3b303e310e16 review/static/style.css
--- a/review/static/style.css	Tue Jul 06 21:27:18 2010 -0400
+++ b/review/static/style.css	Tue Jul 06 23:31:10 2010 -0400
@@ -393,6 +393,11 @@
   -moz-border-radius-bottomleft: 3px;
   border-bottom-left-radius: 3px;
 }
+#changeset .content .head .patch {
+  position: absolute;
+  top: 43px;
+  right: -16px;
+}
 #changeset .content .head .fulldesc {
   width: 660px;
   font-size: 12px;
diff -r 9a08affdfc35 -r 3b303e310e16 review/static/style.less
--- a/review/static/style.less	Tue Jul 06 21:27:18 2010 -0400
+++ b/review/static/style.less	Tue Jul 06 23:31:10 2010 -0400
@@ -381,6 +381,11 @@
             -moz-border-radius-bottomleft: 3px;
             border-bottom-left-radius: 3px;
         }
+        .patch {
+            position: absolute;
+            top: 43px;
+            right: -16px;
+        }
         .fulldesc {
             width: 660px;
             font-size: 12px;
diff -r 9a08affdfc35 -r 3b303e310e16 review/templates/changeset.html
--- a/review/templates/changeset.html	Tue Jul 06 21:27:18 2010 -0400
+++ b/review/templates/changeset.html	Tue Jul 06 23:31:10 2010 -0400
@@ -25,6 +25,7 @@
 {% block content %}
     <div class="group head">
         <div class="committer-avatar" style="background: transparent url('{{ utils['cset_gravatar'](rev, 60) }}') top left no-repeat">&nbsp;</div>
+        <div class="patch"><a href="/changeset/{{ utils['node_short'](rev.node()) }}/patch/">Download Patch &darr;</a></div>
 
         <h2>
             {{ rev.rev() }}:
diff -r 9a08affdfc35 -r 3b303e310e16 review/web.py
--- a/review/web.py	Tue Jul 06 21:27:18 2010 -0400
+++ b/review/web.py	Tue Jul 06 23:31:10 2010 -0400
@@ -3,9 +3,10 @@
 """The review extension's web UI."""
 
 import sys, os
+import StringIO
 from hashlib import md5
 
-from mercurial import commands, hg, templatefilters
+from mercurial import cmdutil, commands, hg, templatefilters
 from mercurial.node import short
 from mercurial.util import email
 
@@ -33,7 +34,7 @@
 
 import markdown2
 from flask import Flask
-from flask import abort, g, redirect, render_template, request
+from flask import abort, g, redirect, render_template, request, Response
 app = Flask(__name__)
 
 LOG_PAGE_LEN = 15
@@ -168,6 +169,12 @@
         newer=newer, older=older)
 
 
+@app.route('/changeset/<revhash>/patch/')
+def patch(revhash):
+    result = StringIO.StringIO()
+    cmdutil.export(g.datastore.target, [revhash], fp=result)
+    return Response(result.getvalue(), content_type="text/plain")
+
 @app.route('/pull/', methods=['POST'])
 def pull():
     if not app.read_only: