comparison mercurial/rcutil.py @ 31685:d83e51654c8a

rcutil: let environ override system configs (BC)

This is BC because system configs won't be able to override $EDITOR, $PAGER.
The new behavior is arguably more rational.

31684:0be96ac9199a

    type could be either 'path' or 'items', if type is 'path', obj is a string,
    and is the config file path. if type is 'items', obj is a list of (section,
    name, value, source) that should fill the config directly.
    '''
    global _rccomponents
    if _rccomponents is None:
        if 'HGRCPATH' in encoding.environ:
            _rccomponents = []
            for p in encoding.environ['HGRCPATH'].split(pycompat.ospathsep):
                if not p:
                    continue
                _rccomponents.extend(('path', p) for p in _expandrcpath(p))
        else:
            paths = defaultrcpath() + systemrcpath() + userrcpath()
            _rccomponents = [('path', os.path.normpath(p)) for p in paths]
    return _rccomponents

31685:d83e51654c8a

    type could be either 'path' or 'items', if type is 'path', obj is a string,
    and is the config file path. if type is 'items', obj is a list of (section,
    name, value, source) that should fill the config directly.
    '''
    envrc = ('items', envrcitems())

    global _rccomponents
    if _rccomponents is None:
        if 'HGRCPATH' in encoding.environ:
            # assume HGRCPATH is all about user configs so environments can be
            # overridden.
            _rccomponents = [envrc]
            for p in encoding.environ['HGRCPATH'].split(pycompat.ospathsep):
                if not p:
                    continue
                _rccomponents.extend(('path', p) for p in _expandrcpath(p))
        else:
            paths = defaultrcpath() + systemrcpath()
            _rccomponents = [('path', os.path.normpath(p)) for p in paths]
            _rccomponents.append(envrc)
            paths = userrcpath()
            _rccomponents.extend(('path', os.path.normpath(p)) for p in paths)
    return _rccomponents