def extract_git_dch_cmds(lines, options):
    """Return a dictionary of all Git-Dch: commands found in lines.
    The command keys will be lowercased, i.e. {'ignore' : True,
    'short': True}.  For now, all the options are binary.  Also return
    all of the lines that do not contain Git-Dch: commands."""
    commands = {}
    other_lines = []
    for line in lines:
        if line.startswith('Git-Dch: ') or line.startswith('Gbp-Dch: '):
            cmd = line.split(' ', 1)[1].strip().lower()
            commands[cmd] = True
        else:
            other_lines.append(line)
    return commands, other_lines
