mercurial/scmposix.py
author Gregory Szorc <gregory.szorc@gmail.com>
Fri, 12 Oct 2018 18:40:32 +0200
changeset 40197 113adb1b3f24
parent 34647 dacfcdd8b94e
child 43075 57875cf423c9
permissions -rw-r--r--
py3: use %d in a few places Differential Revision: https://phab.mercurial-scm.org/D5014
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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from __future__ import absolute_import
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import array
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import errno
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import fcntl
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import os
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import sys
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from . import (
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    encoding,
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    pycompat,
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    util,
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)
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# BSD 'more' escapes ANSI color sequences by default. This can be disabled by
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# $MORE variable, but there's no compatible option with Linux 'more'. Given
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# OS X is widely used and most modern Unix systems would have 'less', setting
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# 'less' as the default seems reasonable.
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fallbackpager = 'less'
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def _rcfiles(path):
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    rcs = [os.path.join(path, 'hgrc')]
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    rcdir = os.path.join(path, 'hgrc.d')
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    try:
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        rcs.extend([os.path.join(rcdir, f)
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                    for f, kind in util.listdir(rcdir)
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                    if f.endswith(".rc")])
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    except OSError:
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        pass
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    return rcs
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def systemrcpath():
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    path = []
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    if pycompat.sysplatform == 'plan9':
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        root = 'lib/mercurial'
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    else:
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        root = 'etc/mercurial'
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    # old mod_python does not set sys.argv
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    if len(getattr(sys, 'argv', [])) > 0:
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        p = os.path.dirname(os.path.dirname(pycompat.sysargv[0]))
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        if p != '/':
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            path.extend(_rcfiles(os.path.join(p, root)))
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    path.extend(_rcfiles('/' + root))
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    return path
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def userrcpath():
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    if pycompat.sysplatform == 'plan9':
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        return [encoding.environ['home'] + '/lib/hgrc']
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    elif pycompat.isdarwin:
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        return [os.path.expanduser('~/.hgrc')]
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    else:
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        confighome = encoding.environ.get('XDG_CONFIG_HOME')
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        if confighome is None or not os.path.isabs(confighome):
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            confighome = os.path.expanduser('~/.config')
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        return [os.path.expanduser('~/.hgrc'),
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                os.path.join(confighome, 'hg', 'hgrc')]
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def termsize(ui):
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    try:
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        import termios
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        TIOCGWINSZ = termios.TIOCGWINSZ  # unavailable on IRIX (issue3449)
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    except (AttributeError, ImportError):
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        return 80, 24
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    for dev in (ui.ferr, ui.fout, ui.fin):
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        try:
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            try:
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                fd = dev.fileno()
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            except AttributeError:
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                continue
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            if not os.isatty(fd):
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                continue
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            arri = fcntl.ioctl(fd, TIOCGWINSZ, '\0' * 8)
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            height, width = array.array(r'h', arri)[:2]
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            if width > 0 and height > 0:
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                return width, height
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        except ValueError:
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            pass
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        except IOError as e:
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            if e[0] == errno.EINVAL:
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                pass
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            else:
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                raise
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    return 80, 24