# HG changeset patch
# User Jun Wu <quark@fb.com>
# Date 2017-03-27 04:43:47
# Node ID c5fe0c7dad9483f9cdce86d02d372bb4daa89e77
# Parent  5bea95a1d353fa33dd7082bd9e399d348924c982

pager: do not read from environment variable

$PAGER is converted to the pager.pager config item. So it's no longer
necessary to read $PAGER in ui.pager().

diff --git a/mercurial/ui.py b/mercurial/ui.py
--- a/mercurial/ui.py
+++ b/mercurial/ui.py
@@ -849,14 +849,8 @@ class ui(object):
             # HGPLAINEXCEPT=pager, and the user didn't specify --debug.
             return
 
-        # TODO: add a "system defaults" config section so this default
-        # of more(1) can be easily replaced with a global
-        # configuration file. For example, on OS X the sane default is
-        # less(1), not more(1), and on debian it's
-        # sensible-pager(1). We should probably also give the system
-        # default editor command similar treatment.
-        envpager = encoding.environ.get('PAGER', 'more')
-        pagercmd = self.config('pager', 'pager', envpager)
+        fallbackpager = 'more'
+        pagercmd = self.config('pager', 'pager', fallbackpager)
         if not pagercmd:
             return