[PATCH] pager: respect HGPLAIN

[Yuya Nishihara]

# HG changeset patch
# User Yuya Nishihara <yuya at tcha.org>
# Date 1276964412 -32400
# Node ID 4e9672a79c6af3d9b1d4940c2f35bce92c12c526
# Parent  e5a2134c083b223bd2998b6694e430e4999caee3
pager: respect HGPLAIN

Pager shouldn't be enabled for scripting use.

diff --git a/hgext/pager.py b/hgext/pager.py
--- a/hgext/pager.py
+++ b/hgext/pager.py
@@ -78,6 +78,9 @@ def _runpager(p):
             raise
 
 def uisetup(ui):
+    if ui.plain():
+        return
+
     def pagecmd(orig, ui, options, cmd, cmdfunc):
         p = ui.config("pager", "pager", os.environ.get("PAGER"))
         if p and sys.stdout.isatty() and '--debugger' not in sys.argv: