[PATCH] color: bring back colors with pager

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1274176514 -32400
# Node ID 7e30407ff76d2580db589021741c00d4fbd0ddee
# Parent  c45a47bc41148b6037cd7337c4529a5e67b92222
color: bring back colors with pager

It's introduced by 3c368a1c962d, but missing in merge changeset
at a890cc501501.

diff --git a/hgext/color.py b/hgext/color.py
--- a/hgext/color.py
+++ b/hgext/color.py
@@ -198,10 +198,14 @@ def uisetup(ui):
         _effects.update(w32effects)
     elif mode != 'ansi':
         return
+
+    # check isatty() before anything else changes it (like pager)
+    isatty = sys.__stdout__.isatty()
+
     def colorcmd(orig, ui_, opts, cmd, cmdfunc):
         if (opts['color'] == 'always' or
             (opts['color'] == 'auto' and (os.environ.get('TERM') != 'dumb'
-                                          and sys.__stdout__.isatty()))):
+                                          and isatty))):
             global _buffers
             _buffers = ui_._buffers
             extensions.wrapfunction(ui_, 'popbuffer', popbuffer)