comparison mercurial/obsolete.py @ 32596:19df975eb555

obsolete: raise richer exception on unknown version

We raise a more precise subclass of Abort with details about the faulty
version.  This will be used to detect this case  and display some information
in debugbundle.

32595:9e46627baa3c

    """Read and enumerate markers from raw data"""
    off = 0
    diskversion = _unpack('>B', data[off:off + 1])[0]
    off += 1
    if diskversion not in formats:
        raise error.Abort(_('parsing obsolete marker: unknown version %r')
                         % diskversion)
    return diskversion, formats[diskversion][0](data, off)

def encodemarkers(markers, addheader=False, version=_fm0version):
    # Kept separate from flushmarkers(), it will be reused for
    # markers exchange.

32596:19df975eb555

    """Read and enumerate markers from raw data"""
    off = 0
    diskversion = _unpack('>B', data[off:off + 1])[0]
    off += 1
    if diskversion not in formats:
        msg = _('parsing obsolete marker: unknown version %r') % diskversion
        raise error.UnknownVersion(msg, version=diskversion)
    return diskversion, formats[diskversion][0](data, off)

def encodemarkers(markers, addheader=False, version=_fm0version):
    # Kept separate from flushmarkers(), it will be reused for
    # markers exchange.