comparison mercurial/debugcommands.py @ 49676:4302db0f54c8

find-delta: move most of the debug-find-delta code in the debug module

Lets us that module more. It will help us to keep revlog implementation details
close to each other.

49675:0fca63953810

    hg,
    httppeer,
    localrepo,
    lock as lockmod,
    logcmdutil,
    mdiff,
    mergestate as mergestatemod,
    metadata,
    obsolete,
    obsutil,
    pathutil,

    registrar,
    repair,
    repoview,
    requirements,
    revlog,
    revlogutils,
    revset,
    revsetlang,
    scmutil,
    setdiscovery,
    simplemerge,

        rev = arg_2

    rev = int(rev)

    revlog = cmdutil.openrevlog(repo, b'debugdeltachain', file_, opts)

    deltacomputer = deltautil.deltacomputer(
        revlog,
        write_debug=ui.write,
        debug_search=not ui.quiet,
    )

    node = revlog.node(rev)
    p1r, p2r = revlog.parentrevs(rev)
    p1 = revlog.node(p1r)
    p2 = revlog.node(p2r)
    full_text = revlog.revision(rev)
    btext = [full_text]
    textlen = len(btext[0])
    cachedelta = None
    flags = revlog.flags(rev)

    if source != b'full':
        if source == b'storage':
            base_rev = revlog.deltaparent(rev)
        elif source == b'p1':
            base_rev = p1r
        elif source == b'p2':
            base_rev = p2r
        elif source == b'prev':
            base_rev = rev - 1
        else:
            raise error.InputError(b"invalid --source value: %s" % source)

        if base_rev != nullrev:
            base_text = revlog.revision(base_rev)
            delta = mdiff.textdiff(base_text, full_text)

            cachedelta = (base_rev, delta)
            btext = [None]

    revinfo = revlogutils.revisioninfo(
        node,
        p1,
        p2,
        btext,
        textlen,
        cachedelta,
        flags,
    )

    fh = revlog._datafp()
    deltacomputer.finddeltainfo(revinfo, fh, target_rev=rev)


@command(
    b'debugdirstate|debugstate',
    [

49676:4302db0f54c8

    hg,
    httppeer,
    localrepo,
    lock as lockmod,
    logcmdutil,
    mergestate as mergestatemod,
    metadata,
    obsolete,
    obsutil,
    pathutil,

    registrar,
    repair,
    repoview,
    requirements,
    revlog,
    revset,
    revsetlang,
    scmutil,
    setdiscovery,
    simplemerge,

        rev = arg_2

    rev = int(rev)

    revlog = cmdutil.openrevlog(repo, b'debugdeltachain', file_, opts)
    p1r, p2r = revlog.parentrevs(rev)

    if source == b'full':
        base_rev = nullrev
    elif source == b'storage':
        base_rev = revlog.deltaparent(rev)
    elif source == b'p1':
        base_rev = p1r
    elif source == b'p2':
        base_rev = p2r
    elif source == b'prev':
        base_rev = rev - 1
    else:
        raise error.InputError(b"invalid --source value: %s" % source)

    revlog_debug.debug_delta_find(ui, revlog, rev, base_rev=base_rev)


@command(
    b'debugdirstate|debugstate',
    [