# revlogutils/debug.py - utility used for revlog debuging

#

# Copyright 2005-2007 Olivia Mackall <olivia@selenic.com>

# Copyright 2022 Octobus <contact@octobus.net>

#

# This software may be used and distributed according to the terms of the

# GNU General Public License version 2 or any later version.

from .. import (

    node as nodemod,

)

def debug_index(

    ui,

    repo,

    formatter,

    revlog,

    full_node,

):

    """display index data for a revlog"""

    if full_node:

        hexfn = nodemod.hex

    else:

        hexfn = nodemod.short

    idlen = 12

    for i in revlog:

        idlen = len(hexfn(revlog.node(i)))

        break

    fm = formatter

    fm.plain(

        b'   rev linkrev %s %s %s\n'

    )

    for rev in revlog:

        node = revlog.node(rev)

        parents = revlog.parents(node)

        fm.startitem()

        fm.write(b'rev', b'%6d ', rev)

        fm.write(b'linkrev', b'%7d ', revlog.linkrev(rev))

        fm.write(b'node', b'%s ', hexfn(node))

        fm.write(b'p1', b'%s ', hexfn(parents[0]))

        fm.write(b'p2', b'%s', hexfn(parents[1]))

        fm.plain(b'\n')

    fm.end()