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pager: exec pager using /bin/sh -c

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This mimics the behavior of popen() and ensures setting the pager to something
like "LESS=FSRX less" will work.
This commit is contained in:
Brodie Rao 2010-05-19 09:54:12 -05:00
parent e472d468be
commit 97e764bcba
1 changed files with 10 additions and 3 deletions
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13
hgext/pager.py
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@ -49,7 +49,7 @@ To ignore global commands like :hg:`version` or :hg:`help`, you have
to specify them in the global .hgrc
'''
import sys, os, signal, shlex
import sys, os, signal, shlex, errno
from mercurial import dispatch, util, extensions
def _runpager(p):
@ -67,8 +67,15 @@ def _runpager(p):
os.dup2(fdin, sys.stdin.fileno())
os.close(fdin)
os.close(fdout)
args = shlex.split(p)
os.execvp(args[0], args)
try:
os.execvp('/bin/sh', ['/bin/sh', '-c', p])
except OSError, e:
if e.errno == errno.ENOENT:
# no /bin/sh, try executing the pager directly
args = shlex.split(p)
os.execvp(args[0], args)
else:
raise
def uisetup(ui):
def pagecmd(orig, ui, options, cmd, cmdfunc):