sapling/eden/scm/edenscm/mercurial/scmposix.py
Adam Simpkins ab3a7cb21f Move fb-mercurial sources into an eden/scm subdirectory.
Summary:
In preparation for merging fb-mercurial sources to the Eden repository,
move everything from the top-level directory into an `eden/scm`
subdirectory.
2019-11-13 16:04:48 -08:00

101 lines
2.8 KiB
Python

# Portions Copyright (c) Facebook, Inc. and its affiliates.
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2.
# Copyright 2013 Mercurial Contributors
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from __future__ import absolute_import
import array
import errno
import fcntl
import os
import sys
from . import encoding, pycompat, util
# BSD 'more' escapes ANSI color sequences by default. This can be disabled by
# $MORE variable, but there's no compatible option with Linux 'more'. Given
# OS X is widely used and most modern Unix systems would have 'less', setting
# 'less' as the default seems reasonable.
fallbackpager = "less"
def _rcfiles(path):
rcs = [os.path.join(path, "hgrc")]
rcdir = os.path.join(path, "hgrc.d")
try:
rcs.extend(
[
os.path.join(rcdir, f)
for f, kind in util.listdir(rcdir)
if f.endswith(".rc")
]
)
except OSError:
pass
return rcs
def systemrcpath():
path = []
if pycompat.sysplatform == "plan9":
root = "lib/mercurial"
else:
root = "etc/mercurial"
# old mod_python does not set sys.argv
if len(getattr(sys, "argv", [])) > 0:
p = os.path.dirname(os.path.dirname(pycompat.sysargv[0]))
if p != "/":
path.extend(_rcfiles(os.path.join(p, root)))
path.extend(_rcfiles("/" + root))
return path
def userrcpath():
if pycompat.sysplatform == "plan9":
return [encoding.environ["home"] + "/lib/hgrc"]
elif pycompat.isdarwin:
return [os.path.expanduser("~/.hgrc")]
else:
confighome = encoding.environ.get("XDG_CONFIG_HOME")
if confighome is None or not os.path.isabs(confighome):
confighome = os.path.expanduser("~/.config")
return [os.path.expanduser("~/.hgrc"), os.path.join(confighome, "hg", "hgrc")]
def termsize(ui):
try:
import termios
TIOCGWINSZ = termios.TIOCGWINSZ # unavailable on IRIX (issue3449)
except (AttributeError, ImportError):
return 80, 24
for dev in (ui.ferr, ui.fout, ui.fin):
try:
try:
fd = dev.fileno()
except AttributeError:
continue
if not os.isatty(fd):
continue
arri = fcntl.ioctl(fd, TIOCGWINSZ, "\0" * 8)
height, width = array.array(r"h", arri)[:2]
if width > 0 and height > 0:
return width, height
except ValueError:
pass
except IOError as e:
if e[0] == errno.EINVAL:
pass
else:
raise
return 80, 24