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    def compile_hg_glob(line):
        pat = glob_to_re(line)
    
        # Mercurial ignore globs are quasi-rooted at directory boundaries or the
        # beginning of the pattern.
        pat = '(^|/)' + pat
    
        # Mercurial globs also have to match to the end of the pattern.
        pat = pat + '$'
    
        try:
            regex = re.compile(pat)
            return lambda s: regex.search(s[1:] if s.startswith('./') else s)
        except:
            warn("could not parse hgignore pattern '%s'" % line)
            return lambda s: True

    result = result | {
        'a': TYPES_ALL
        'e': TYPES_FILE_REAL
        'x': TYPES_FILE_SYMLINK
        'c': TYPES_DIR_REAL
        'y': TYPES_DIR_SYMLINK
        'f': TYPES_FILE
        'd': TYPES_DIR
        'r': TYPES_REAL
        's': TYPES_SYMLINK
    }[c.lower()]