comparison mercurial/posix.py @ 24108:d65ecb814fc0 stable

shellquote: fix missing quotes for empty string

"hg kdiff3 -rREV" did not work because 1642eb429536 and 5edb387158a1 failed
to handle empty argument.

24013:942a5a34b2d0

    if os.sys.platform == 'OpenVMS':
        return '"%s"' % s
    global _needsshellquote
    if _needsshellquote is None:
        _needsshellquote = re.compile(r'[^a-zA-Z0-9._/-]').search
    if not _needsshellquote(s):
        # "s" shouldn't have to be quoted
        return s
    else:
        return "'%s'" % s.replace("'", "'\\''")

24108:d65ecb814fc0

    if os.sys.platform == 'OpenVMS':
        return '"%s"' % s
    global _needsshellquote
    if _needsshellquote is None:
        _needsshellquote = re.compile(r'[^a-zA-Z0-9._/-]').search
    if s and not _needsshellquote(s):
        # "s" shouldn't have to be quoted
        return s
    else:
        return "'%s'" % s.replace("'", "'\\''")