+
−from __future__ import absolute_import
+
−
+
−import array
+
−import errno
+
−import fcntl
+
−import os
+
−import sys
+
−
+
−from . import (
+
−    encoding,
+
−    osutil,
+
−    pycompat,
+
−)
+
−
+
−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 osutil.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.sysplatform == 'darwin':
+
−        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