view mercurial/scmposix.py @ 25015:b3a68fb8b859

dirs: back out forward-searching in finddirs()

This backs out the changes below. The next patch will implement a
faster algorithm based on backward-walking in finddirs().

  67241ee427cf (dirs._addpath: reinstate use of Py_CLEAR, 2015-04-07)
  6f0e6fa9fdd7 (dirs._addpath: don't mutate Python strings after exposing them (issue4589), 2015-04-06)
  1a9efc312700 (dirs.addpath: rework algorithm to search forward, 2015-03-27)

import sys, os
import osutil

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 sys.platform == '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(sys.argv[0]))
        if p != '/':
            path.extend(_rcfiles(os.path.join(p, root)))
    path.extend(_rcfiles('/' + root))
    return path

def userrcpath():
    if sys.platform == 'plan9':
        return [os.environ['home'] + '/lib/hgrc']
    else:
        return [os.path.expanduser('~/.hgrc')]