comparison hgext/largefiles/overrides.py @ 43077:687b865b95ad

formatting: byteify all mercurial/ and hgext/ string literals

Done with

    python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py')
    black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**')

# skip-blame mass-reformatting only

Differential Revision: https://phab.mercurial-scm.org/D6972

43076:2372284d9457

        ui, lfutil.islfilesrepo(repo), opts.get(r'lfsize')
    )

    lfmatcher = None
    if lfutil.islfilesrepo(repo):
        lfpats = ui.configlist(lfutil.longname, 'patterns')
        if lfpats:
            lfmatcher = matchmod.match(repo.root, '', list(lfpats))

    lfnames = []
    m = matcher

    wctx = repo[None]

        # Don't warn the user when they attempt to add a normal tracked file.
        # The normal add code will do that for us.
        if exact and exists:
            if lfile:
                ui.warn(_('%s already a largefile\n') % uipathfn(f))
            continue

        if (exact or not exists) and not lfutil.isstandin(f):
            # In case the file was removed previously, but not committed
            # (issue3507)

                lfsize and repo.wvfs.lstat(f).st_size >= lfsize * 1024 * 1024
            )
            if large or abovemin or (lfmatcher and lfmatcher(f)):
                lfnames.append(f)
                if ui.verbose or not exact:
                    ui.status(_('adding %s as a largefile\n') % uipathfn(f))

    bad = []

    # Need to lock, otherwise there could be a race condition between
    # when standins are created and added to the repo.

            for f in lfnames:
                standinname = lfutil.standin(f)
                lfutil.writestandin(
                    repo,
                    standinname,
                    hash='',
                    executable=lfutil.getexecutable(repo.wjoin(f)),
                )
                standins.append(standinname)
                if lfdirstate[f] == 'r':
                    lfdirstate.normallookup(f)
                else:
                    lfdirstate.add(f)
            lfdirstate.write()
            bad += [

        return int(len(files) > 0)

    if after:
        remove = deleted
        result = warn(
            modified + added + clean, _('not removing %s: file still exists\n')
        )
    else:
        remove = deleted + clean
        result = warn(
            modified,
            _(
                'not removing %s: file is modified (use -f'
                ' to force removal)\n'
            ),
        )
        result = (
            warn(
                added,
                _(
                    'not removing %s: file has been marked for add'
                    ' (use forget to undo)\n'
                ),
            )
            or result
        )

    # repository and we could race in-between.
    with repo.wlock():
        lfdirstate = lfutil.openlfdirstate(ui, repo)
        for f in sorted(remove):
            if ui.verbose or not m.exact(f):
                ui.status(_('removing %s\n') % uipathfn(f))

            if not dryrun:
                if not after:
                    repo.wvfs.unlinkpath(f, ignoremissing=True)

    return result


# For overriding mercurial.hgweb.webcommands so that largefiles will
# appear at their right place in the manifests.
@eh.wrapfunction(webcommands, 'decodepath')
def decodepath(orig, path):
    return lfutil.splitstandin(path) or path


# -- Wrappers: modify existing commands --------------------------------


@eh.wrapcommand(
    'add',
    opts=[
        ('', 'large', None, _('add as largefile')),
        ('', 'normal', None, _('add as normal file')),
        (
            '',
            'lfsize',
            '',
            _(
                'add all files above this size (in megabytes) '
                'as largefiles (default: 10)'
            ),
        ),
    ],
)
def overrideadd(orig, ui, repo, *pats, **opts):
    if opts.get(r'normal') and opts.get(r'large'):
        raise error.Abort(_('--normal cannot be used with --large'))
    return orig(ui, repo, *pats, **opts)


@eh.wrapfunction(cmdutil, 'add')
def cmdutiladd(orig, ui, repo, matcher, prefix, uipathfn, explicitonly, **opts):
    # The --normal flag short circuits this override
    if opts.get(r'normal'):
        return orig(ui, repo, matcher, prefix, uipathfn, explicitonly, **opts)

    bad.extend(f for f in lbad)
    return bad


@eh.wrapfunction(cmdutil, 'remove')
def cmdutilremove(
    orig, ui, repo, matcher, prefix, uipathfn, after, force, subrepos, dryrun
):
    normalmatcher = composenormalfilematcher(matcher, repo[None].manifest())
    result = orig(

        )
        or result
    )


@eh.wrapfunction(subrepo.hgsubrepo, 'status')
def overridestatusfn(orig, repo, rev2, **opts):
    try:
        repo._repo.lfstatus = True
        return orig(repo, rev2, **opts)
    finally:
        repo._repo.lfstatus = False


@eh.wrapcommand('status')
def overridestatus(orig, ui, repo, *pats, **opts):
    try:
        repo.lfstatus = True
        return orig(ui, repo, *pats, **opts)
    finally:
        repo.lfstatus = False


@eh.wrapfunction(subrepo.hgsubrepo, 'dirty')
def overridedirty(orig, repo, ignoreupdate=False, missing=False):
    try:
        repo._repo.lfstatus = True
        return orig(repo, ignoreupdate=ignoreupdate, missing=missing)
    finally:
        repo._repo.lfstatus = False


@eh.wrapcommand('log')
def overridelog(orig, ui, repo, *pats, **opts):
    def overridematchandpats(
        orig,
        ctx,
        pats=(),
        opts=None,
        globbed=False,
        default='relpath',
        badfn=None,
    ):
        """Matcher that merges root directory with .hglf, suitable for log.
        It is still possible to match .hglf directly.
        For any listed files run log on the standin too.

            return matchandpats

        pats = set(p)

        def fixpats(pat, tostandin=lfutil.standin):
            if pat.startswith('set:'):
                return pat

            kindpat = matchmod._patsplit(pat, None)

            if kindpat[0] is not None:
                return kindpat[0] + ':' + tostandin(kindpat[1])
            return tostandin(kindpat[1])

        cwd = repo.getcwd()
        if cwd:
            hglf = lfutil.shortname

                # is somewhere in the repo, relative to root, and needs to be
                # prepended before building the standin.
                if os.path.isabs(cwd):
                    f = f[len(back) :]
                else:
                    f = cwd + '/' + f
                return back + lfutil.standin(f)

        else:

            def tostandin(f):

        pats.update(fixpats(f, tostandin) for f in p)

        for i in range(0, len(m._files)):
            # Don't add '.hglf' to m.files, since that is already covered by '.'
            if m._files[i] == '.':
                continue
            standin = lfutil.standin(m._files[i])
            # If the "standin" is a directory, append instead of replace to
            # support naming a directory on the command line with only
            # largefiles.  The original directory is kept to support normal

            r = origmatchfn(f)
            return r

        m.matchfn = lfmatchfn

        ui.debug('updated patterns: %s\n' % ', '.join(sorted(pats)))
        return m, pats

    # For hg log --patch, the match object is used in two different senses:
    # (1) to determine what revisions should be printed out, and
    # (2) to determine what files to print out diffs for.

        wctx = repo[None]
        match, pats = oldmatchandpats(wctx, pats, opts, badfn=badfn)
        return lambda ctx: match

    wrappedmatchandpats = extensions.wrappedfunction(
        scmutil, 'matchandpats', overridematchandpats
    )
    wrappedmakefilematcher = extensions.wrappedfunction(
        logcmdutil, '_makenofollowfilematcher', overridemakefilematcher
    )
    with wrappedmatchandpats, wrappedmakefilematcher:
        return orig(ui, repo, *pats, **opts)


@eh.wrapcommand(
    'verify',
    opts=[
        (
            '',
            'large',
            None,
            _('verify that all largefiles in current revision exists'),
        ),
        (
            '',
            'lfa',
            None,
            _('verify largefiles in all revisions, not just current'),
        ),
        (
            '',
            'lfc',
            None,
            _('verify local largefile contents, not just existence'),
        ),
    ],
)
def overrideverify(orig, ui, repo, *pats, **opts):
    large = opts.pop(r'large', False)

        result = result or lfcommands.verifylfiles(ui, repo, all, contents)
    return result


@eh.wrapcommand(
    'debugstate', opts=[('', 'large', None, _('display largefiles dirstate'))]
)
def overridedebugstate(orig, ui, repo, *pats, **opts):
    large = opts.pop(r'large', False)
    if large:

# in a file 'foo' if we already have a largefile with the same name.
#
# The overridden function filters the unknown files by removing any
# largefiles. This makes the merge proceed and we can then handle this
# case further in the overridden calculateupdates function below.
@eh.wrapfunction(merge, '_checkunknownfile')
def overridecheckunknownfile(origfn, repo, wctx, mctx, f, f2=None):
    if lfutil.standin(repo.dirstate.normalize(f)) in wctx:
        return False
    return origfn(repo, wctx, mctx, f, f2)

# presumably changed on purpose.
#
# Finally, the merge.applyupdates function will then take care of
# writing the files into the working copy and lfcommands.updatelfiles
# will update the largefiles.
@eh.wrapfunction(merge, 'calculateupdates')
def overridecalculateupdates(
    origfn, repo, p1, p2, pas, branchmerge, force, acceptremote, *args, **kwargs
):
    overwrite = force and not branchmerge
    actions, diverge, renamedelete = origfn(

    for lfile in sorted(lfiles):
        standin = lfutil.standin(lfile)
        (lm, largs, lmsg) = actions.get(lfile, (None, None, None))
        (sm, sargs, smsg) = actions.get(standin, (None, None, None))
        if sm in ('g', 'dc') and lm != 'r':
            if sm == 'dc':
                f1, f2, fa, move, anc = sargs
                sargs = (p2[f2].flags(), False)
            # Case 1: normal file in the working copy, largefile in
            # the second parent
            usermsg = (
                _(
                    'remote turned local normal file %s into a largefile\n'
                    'use (l)argefile or keep (n)ormal file?'
                    '$$ &Largefile $$ &Normal file'
                )
                % lfile
            )
            if repo.ui.promptchoice(usermsg, 0) == 0:  # pick remote largefile
                actions[lfile] = ('r', None, 'replaced by standin')
                actions[standin] = ('g', sargs, 'replaces standin')
            else:  # keep local normal file
                actions[lfile] = ('k', None, 'replaces standin')
                if branchmerge:
                    actions[standin] = ('k', None, 'replaced by non-standin')
                else:
                    actions[standin] = ('r', None, 'replaced by non-standin')
        elif lm in ('g', 'dc') and sm != 'r':
            if lm == 'dc':
                f1, f2, fa, move, anc = largs
                largs = (p2[f2].flags(), False)
            # Case 2: largefile in the working copy, normal file in
            # the second parent
            usermsg = (
                _(
                    'remote turned local largefile %s into a normal file\n'
                    'keep (l)argefile or use (n)ormal file?'
                    '$$ &Largefile $$ &Normal file'
                )
                % lfile
            )
            if repo.ui.promptchoice(usermsg, 0) == 0:  # keep local largefile
                if branchmerge:
                    # largefile can be restored from standin safely
                    actions[lfile] = ('k', None, 'replaced by standin')
                    actions[standin] = ('k', None, 'replaces standin')
                else:
                    # "lfile" should be marked as "removed" without
                    # removal of itself
                    actions[lfile] = (
                        'lfmr',
                        None,
                        'forget non-standin largefile',
                    )

                    # linear-merge should treat this largefile as 're-added'
                    actions[standin] = ('a', None, 'keep standin')
            else:  # pick remote normal file
                actions[lfile] = ('g', largs, 'replaces standin')
                actions[standin] = ('r', None, 'replaced by non-standin')

    return actions, diverge, renamedelete


@eh.wrapfunction(merge, 'recordupdates')
def mergerecordupdates(orig, repo, actions, branchmerge, getfiledata):
    if 'lfmr' in actions:
        lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
        for lfile, args, msg in actions['lfmr']:
            # this should be executed before 'orig', to execute 'remove'
            # before all other actions
            repo.dirstate.remove(lfile)
            # make sure lfile doesn't get synclfdirstate'd as normal
            lfdirstate.add(lfile)

    return orig(repo, actions, branchmerge, getfiledata)


# Override filemerge to prompt the user about how they wish to merge
# largefiles. This will handle identical edits without prompting the user.
@eh.wrapfunction(filemerge, '_filemerge')
def overridefilemerge(
    origfn, premerge, repo, wctx, mynode, orig, fcd, fco, fca, labels=None
):
    if not lfutil.isstandin(orig) or fcd.isabsent() or fco.isabsent():
        return origfn(

        and ohash != dhash
        and (
            dhash == ahash
            or repo.ui.promptchoice(
                _(
                    'largefile %s has a merge conflict\nancestor was %s\n'
                    'you can keep (l)ocal %s or take (o)ther %s.\n'
                    'what do you want to do?'
                    '$$ &Local $$ &Other'
                )
                % (lfutil.splitstandin(orig), ahash, dhash, ohash),
                0,
            )
            == 1

    ):
        repo.wwrite(fcd.path(), fco.data(), fco.flags())
    return True, 0, False


@eh.wrapfunction(copiesmod, 'pathcopies')
def copiespathcopies(orig, ctx1, ctx2, match=None):
    copies = orig(ctx1, ctx2, match=match)
    updated = {}

    for k, v in copies.iteritems():

# Copy first changes the matchers to match standins instead of
# largefiles.  Then it overrides util.copyfile in that function it
# checks if the destination largefile already exists. It also keeps a
# list of copied files so that the largefiles can be copied and the
# dirstate updated.
@eh.wrapfunction(cmdutil, 'copy')
def overridecopy(orig, ui, repo, pats, opts, rename=False):
    # doesn't remove largefile on rename
    if len(pats) < 2:
        # this isn't legal, let the original function deal with it
        return orig(ui, repo, pats, opts, rename)

        orig,
        ctx,
        pats=(),
        opts=None,
        globbed=False,
        default='relpath',
        badfn=None,
    ):
        if opts is None:
            opts = {}
        match = orig(ctx, pats, opts, globbed, default, badfn=badfn)
        return composenormalfilematcher(match, manifest)

    with extensions.wrappedfunction(scmutil, 'match', normalfilesmatchfn):
        try:
            result = orig(ui, repo, pats, opts, rename)
        except error.Abort as e:
            if pycompat.bytestr(e) != _('no files to copy'):
                raise e
            else:
                nonormalfiles = True
            result = 0

            orig,
            ctx,
            pats=(),
            opts=None,
            globbed=False,
            default='relpath',
            badfn=None,
        ):
            if opts is None:
                opts = {}
            newpats = []
            # The patterns were previously mangled to add the standin
            # directory; we need to remove that now
            for pat in pats:
                if matchmod.patkind(pat) is None and lfutil.shortname in pat:
                    newpats.append(pat.replace(lfutil.shortname, ''))
                else:
                    newpats.append(pat)
            match = orig(ctx, newpats, opts, globbed, default, badfn=badfn)
            m = copy.copy(match)
            lfile = lambda f: lfutil.standin(f) in manifest

        def overridecopyfile(orig, src, dest, *args, **kwargs):
            if lfutil.shortname in src and dest.startswith(
                repo.wjoin(lfutil.shortname)
            ):
                destlfile = dest.replace(lfutil.shortname, '')
                if not opts['force'] and os.path.exists(destlfile):
                    raise IOError('', _('destination largefile already exists'))
            copiedfiles.append((src, dest))
            orig(src, dest, *args, **kwargs)

        with extensions.wrappedfunction(util, 'copyfile', overridecopyfile):
            with extensions.wrappedfunction(scmutil, 'match', overridematch):
                result += orig(ui, repo, listpats, opts, rename)

        lfdirstate = lfutil.openlfdirstate(ui, repo)
        for (src, dest) in copiedfiles:
            if lfutil.shortname in src and dest.startswith(
                repo.wjoin(lfutil.shortname)
            ):
                srclfile = src.replace(repo.wjoin(lfutil.standin('')), '')
                destlfile = dest.replace(repo.wjoin(lfutil.standin('')), '')
                destlfiledir = repo.wvfs.dirname(repo.wjoin(destlfile)) or '.'
                if not os.path.isdir(destlfiledir):
                    os.makedirs(destlfiledir)
                if rename:
                    os.rename(repo.wjoin(srclfile), repo.wjoin(destlfile))

                    util.copyfile(repo.wjoin(srclfile), repo.wjoin(destlfile))

                lfdirstate.add(destlfile)
        lfdirstate.write()
    except error.Abort as e:
        if pycompat.bytestr(e) != _('no files to copy'):
            raise e
        else:
            nolfiles = True
    finally:
        wlock.release()

    if nolfiles and nonormalfiles:
        raise error.Abort(_('no files to copy'))

    return result


# When the user calls revert, we have to be careful to not revert any

#
# Standins are only updated (to match the hash of largefiles) before
# commits. Update the standins then run the original revert, changing
# the matcher to hit standins instead of largefiles. Based on the
# resulting standins update the largefiles.
@eh.wrapfunction(cmdutil, 'revert')
def overriderevert(orig, ui, repo, ctx, parents, *pats, **opts):
    # Because we put the standins in a bad state (by updating them)
    # and then return them to a correct state we need to lock to
    # prevent others from changing them in their incorrect state.
    with repo.wlock():

            orig,
            mctx,
            pats=(),
            opts=None,
            globbed=False,
            default='relpath',
            badfn=None,
        ):
            if opts is None:
                opts = {}
            match = orig(mctx, pats, opts, globbed, default, badfn=badfn)

            matchfiles = []
            for f in m._files:
                standin = lfutil.standin(f)
                if standin in ctx or standin in mctx:
                    matchfiles.append(standin)
                elif standin in wctx or lfdirstate[f] == 'r':
                    continue
                else:
                    matchfiles.append(f)
            m._files = matchfiles
            m._fileset = set(m._files)

                return origmatchfn(f)

            m.matchfn = matchfn
            return m

        with extensions.wrappedfunction(scmutil, 'match', overridematch):
            orig(ui, repo, ctx, parents, *pats, **opts)

        newstandins = lfutil.getstandinsstate(repo)
        filelist = lfutil.getlfilestoupdate(oldstandins, newstandins)
        # lfdirstate should be 'normallookup'-ed for updated files,

# after pulling changesets, we need to take some extra care to get
# largefiles updated remotely
@eh.wrapcommand(
    'pull',
    opts=[
        (
            '',
            'all-largefiles',
            None,
            _('download all pulled versions of largefiles (DEPRECATED)'),
        ),
        (
            '',
            'lfrev',
            [],
            _('download largefiles for these revisions'),
            _('REV'),
        ),
    ],
)
def overridepull(orig, ui, repo, source=None, **opts):
    revsprepull = len(repo)
    if not source:
        source = 'default'
    repo.lfpullsource = source
    result = orig(ui, repo, source, **opts)
    revspostpull = len(repo)
    lfrevs = opts.get(r'lfrev', [])
    if opts.get(r'all_largefiles'):
        lfrevs.append('pulled()')
    if lfrevs and revspostpull > revsprepull:
        numcached = 0
        repo.firstpulled = revsprepull  # for pulled() revset expression
        try:
            for rev in scmutil.revrange(repo, lfrevs):
                ui.note(_('pulling largefiles for revision %d\n') % rev)
                (cached, missing) = lfcommands.cachelfiles(ui, repo, rev)
                numcached += len(cached)
        finally:
            del repo.firstpulled
        ui.status(_("%d largefiles cached\n") % numcached)
    return result


@eh.wrapcommand(
    'push',
    opts=[
        ('', 'lfrev', [], _('upload largefiles for these revisions'), _('REV'))
    ],
)
def overridepush(orig, ui, repo, *args, **kwargs):
    """Override push command and store --lfrev parameters in opargs"""
    lfrevs = kwargs.pop(r'lfrev', None)
    if lfrevs:
        opargs = kwargs.setdefault(r'opargs', {})
        opargs['lfrevs'] = scmutil.revrange(repo, lfrevs)
    return orig(ui, repo, *args, **kwargs)


@eh.wrapfunction(exchange, 'pushoperation')
def exchangepushoperation(orig, *args, **kwargs):
    """Override pushoperation constructor and store lfrevs parameter"""
    lfrevs = kwargs.pop(r'lfrevs', None)
    pushop = orig(*args, **kwargs)
    pushop.lfrevs = lfrevs
    return pushop


@eh.revsetpredicate('pulled()')
def pulledrevsetsymbol(repo, subset, x):
    """Changesets that just has been pulled.

    Only available with largefiles from pull --lfrev expressions.

    """

    try:
        firstpulled = repo.firstpulled
    except AttributeError:
        raise error.Abort(_("pulled() only available in --lfrev"))
    return smartset.baseset([r for r in subset if r >= firstpulled])


@eh.wrapcommand(
    'clone',
    opts=[
        (
            '',
            'all-largefiles',
            None,
            _('download all versions of all largefiles'),
        )
    ],
)
def overrideclone(orig, ui, source, dest=None, **opts):
    d = dest
    if d is None:
        d = hg.defaultdest(source)
    if opts.get(r'all_largefiles') and not hg.islocal(d):
        raise error.Abort(
            _('--all-largefiles is incompatible with non-local destination %s')
            % d
        )

    return orig(ui, source, dest, **opts)


@eh.wrapfunction(hg, 'clone')
def hgclone(orig, ui, opts, *args, **kwargs):
    result = orig(ui, opts, *args, **kwargs)

    if result is not None:
        sourcerepo, destrepo = result

            return result

        # Caching is implicitly limited to 'rev' option, since the dest repo was
        # truncated at that point.  The user may expect a download count with
        # this option, so attempt whether or not this is a largefile repo.
        if opts.get('all_largefiles'):
            success, missing = lfcommands.downloadlfiles(ui, repo, None)

            if missing != 0:
                return None

    return result


@eh.wrapcommand('rebase', extension='rebase')
def overriderebase(orig, ui, repo, **opts):
    if not util.safehasattr(repo, '_largefilesenabled'):
        return orig(ui, repo, **opts)

    resuming = opts.get(r'continue')
    repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
    repo._lfstatuswriters.append(lambda *msg, **opts: None)

    finally:
        repo._lfstatuswriters.pop()
        repo._lfcommithooks.pop()


@eh.wrapcommand('archive')
def overridearchivecmd(orig, ui, repo, dest, **opts):
    repo.unfiltered().lfstatus = True

    try:
        return orig(ui, repo.unfiltered(), dest, **opts)
    finally:
        repo.unfiltered().lfstatus = False


@eh.wrapfunction(webcommands, 'archive')
def hgwebarchive(orig, web):
    web.repo.lfstatus = True

    try:
        return orig(web)
    finally:
        web.repo.lfstatus = False


@eh.wrapfunction(archival, 'archive')
def overridearchive(
    orig,
    repo,
    dest,
    node,
    kind,
    decode=True,
    match=None,
    prefix='',
    mtime=None,
    subrepos=None,
):
    # For some reason setting repo.lfstatus in hgwebarchive only changes the
    # unfiltered repo's attr, so check that as well.

    # largefile caches, neither of which are modified.
    if node is not None:
        lfcommands.cachelfiles(repo.ui, repo, node)

    if kind not in archival.archivers:
        raise error.Abort(_("unknown archive type '%s'") % kind)

    ctx = repo[node]

    if kind == 'files':
        if prefix:
            raise error.Abort(_('cannot give prefix when archiving to files'))
    else:
        prefix = archival.tidyprefix(dest, kind, prefix)

    def write(name, mode, islink, getdata):
        if match and not match(name):

            data = repo.wwritedata(name, data)
        archiver.addfile(prefix + name, mode, islink, data)

    archiver = archival.archivers[kind](dest, mtime or ctx.date()[0])

    if repo.ui.configbool("ui", "archivemeta"):
        write(
            '.hg_archival.txt',
            0o644,
            False,
            lambda: archival.buildmetadata(ctx),
        )

                path = lfutil.findfile(repo, getdata().strip())

                if path is None:
                    raise error.Abort(
                        _(
                            'largefile %s not found in repo store or system cache'
                        )
                        % lfile
                    )
            else:
                path = lfile

            f = lfile

            getdata = lambda: util.readfile(path)
        write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, getdata)

    if subrepos:
        for subpath in sorted(ctx.substate):
            sub = ctx.workingsub(subpath)
            submatch = matchmod.subdirmatcher(subpath, match)
            subprefix = prefix + subpath + '/'
            sub._repo.lfstatus = True
            sub.archive(archiver, subprefix, submatch)

    archiver.done()


@eh.wrapfunction(subrepo.hgsubrepo, 'archive')
def hgsubrepoarchive(orig, repo, archiver, prefix, match=None, decode=True):
    lfenabled = util.safehasattr(repo._repo, '_largefilesenabled')
    if not lfenabled or not repo._repo.lfstatus:
        return orig(repo, archiver, prefix, match, decode)

    repo._get(repo._state + ('hg',))
    rev = repo._state[1]
    ctx = repo._repo[rev]

    if ctx.node() is not None:
        lfcommands.cachelfiles(repo.ui, repo._repo, ctx.node())

                path = lfutil.findfile(repo._repo, getdata().strip())

                if path is None:
                    raise error.Abort(
                        _(
                            'largefile %s not found in repo store or system cache'
                        )
                        % lfile
                    )
            else:
                path = lfile

            f = lfile

            getdata = lambda: util.readfile(os.path.join(prefix, path))

        write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, getdata)

    for subpath in sorted(ctx.substate):
        sub = ctx.workingsub(subpath)
        submatch = matchmod.subdirmatcher(subpath, match)
        subprefix = prefix + subpath + '/'
        sub._repo.lfstatus = True
        sub.archive(archiver, subprefix, submatch, decode)


# If a largefile is modified, the change is not reflected in its
# standin until a commit. cmdutil.bailifchanged() raises an exception
# if the repo has uncommitted changes. Wrap it to also check if
# largefiles were changed. This is used by bisect, backout and fetch.
@eh.wrapfunction(cmdutil, 'bailifchanged')
def overridebailifchanged(orig, repo, *args, **kwargs):
    orig(repo, *args, **kwargs)
    repo.lfstatus = True
    s = repo.status()
    repo.lfstatus = False
    if s.modified or s.added or s.removed or s.deleted:
        raise error.Abort(_('uncommitted changes'))


@eh.wrapfunction(cmdutil, 'postcommitstatus')
def postcommitstatus(orig, repo, *args, **kwargs):
    repo.lfstatus = True
    try:
        return orig(repo, *args, **kwargs)
    finally:
        repo.lfstatus = False


@eh.wrapfunction(cmdutil, 'forget')
def cmdutilforget(
    orig, ui, repo, match, prefix, uipathfn, explicitonly, dryrun, interactive
):
    normalmatcher = composenormalfilematcher(match, repo[None].manifest())
    bad, forgot = orig(

    for f in forget:
        fstandin = lfutil.standin(f)
        if fstandin not in repo.dirstate and not repo.wvfs.isdir(fstandin):
            ui.warn(
                _('not removing %s: file is already untracked\n') % uipathfn(f)
            )
            bad.append(f)

    for f in forget:
        if ui.verbose or not m.exact(f):
            ui.status(_('removing %s\n') % uipathfn(f))

    # Need to lock because standin files are deleted then removed from the
    # repository and we could race in-between.
    with repo.wlock():
        lfdirstate = lfutil.openlfdirstate(ui, repo)
        for f in forget:
            if lfdirstate[f] == 'a':
                lfdirstate.drop(f)
            else:
                lfdirstate.remove(f)
        lfdirstate.write()
        standins = [lfutil.standin(f) for f in forget]

            if not lfexists[lfhash]:  # lfhash doesn't exist on "other"
                addfunc(fn, lfhash)


def outgoinghook(ui, repo, other, opts, missing):
    if opts.pop('large', None):
        lfhashes = set()
        if ui.debugflag:
            toupload = {}

            def addfunc(fn, lfhash):

                toupload[fn].append(lfhash)
                lfhashes.add(lfhash)

            def showhashes(fn):
                for lfhash in sorted(toupload[fn]):
                    ui.debug('    %s\n' % lfhash)

        else:
            toupload = set()

            def addfunc(fn, lfhash):

                pass

        _getoutgoings(repo, other, missing, addfunc)

        if not toupload:
            ui.status(_('largefiles: no files to upload\n'))
        else:
            ui.status(
                _('largefiles to upload (%d entities):\n') % (len(lfhashes))
            )
            for file in sorted(toupload):
                ui.status(lfutil.splitstandin(file) + '\n')
                showhashes(file)
            ui.status('\n')


@eh.wrapcommand(
    'outgoing', opts=[('', 'large', None, _('display outgoing largefiles'))]
)
def _outgoingcmd(orig, *args, **kwargs):
    # Nothing to do here other than add the extra help option- the hook above
    # processes it.
    return orig(*args, **kwargs)


def summaryremotehook(ui, repo, opts, changes):
    largeopt = opts.get('large', False)
    if changes is None:
        if largeopt:
            return (False, True)  # only outgoing check is needed
        else:
            return (False, False)
    elif largeopt:
        url, branch, peer, outgoing = changes[1]
        if peer is None:
            # i18n: column positioning for "hg summary"
            ui.status(_('largefiles: (no remote repo)\n'))
            return

        toupload = set()
        lfhashes = set()

        _getoutgoings(repo, peer, outgoing.missing, addfunc)

        if not toupload:
            # i18n: column positioning for "hg summary"
            ui.status(_('largefiles: (no files to upload)\n'))
        else:
            # i18n: column positioning for "hg summary"
            ui.status(
                _('largefiles: %d entities for %d files to upload\n')
                % (len(lfhashes), len(toupload))
            )


@eh.wrapcommand(
    'summary', opts=[('', 'large', None, _('display outgoing largefiles'))]
)
def overridesummary(orig, ui, repo, *pats, **opts):
    try:
        repo.lfstatus = True
        orig(ui, repo, *pats, **opts)
    finally:
        repo.lfstatus = False


@eh.wrapfunction(scmutil, 'addremove')
def scmutiladdremove(orig, repo, matcher, prefix, uipathfn, opts=None):
    if opts is None:
        opts = {}
    if not lfutil.islfilesrepo(repo):
        return orig(repo, matcher, prefix, uipathfn, opts)

            repo.ui,
            repo,
            True,
            m,
            uipathfn,
            opts.get('dry_run'),
            **pycompat.strkwargs(opts)
        )
    # Call into the normal add code, and any files that *should* be added as
    # largefiles will be
    added, bad = addlargefiles(

    return orig(repo, matcher, prefix, uipathfn, opts)


# Calling purge with --all will cause the largefiles to be deleted.
# Override repo.status to prevent this from happening.
@eh.wrapcommand('purge', extension='purge')
def overridepurge(orig, ui, repo, *dirs, **opts):
    # XXX Monkey patching a repoview will not work. The assigned attribute will
    # be set on the unfiltered repo, but we will only lookup attributes in the
    # unfiltered repo if the lookup in the repoview object itself fails. As the
    # monkey patched method exists on the repoview class the lookup will not

    # cleaner instead.
    repo = repo.unfiltered()
    oldstatus = repo.status

    def overridestatus(
        node1='.',
        node2=None,
        match=None,
        ignored=False,
        clean=False,
        unknown=False,

    ):
        r = oldstatus(
            node1, node2, match, ignored, clean, unknown, listsubrepos
        )
        lfdirstate = lfutil.openlfdirstate(ui, repo)
        unknown = [f for f in r.unknown if lfdirstate[f] == '?']
        ignored = [f for f in r.ignored if lfdirstate[f] == '?']
        return scmutil.status(
            r.modified, r.added, r.removed, r.deleted, unknown, ignored, r.clean
        )

    repo.status = overridestatus
    orig(ui, repo, *dirs, **opts)
    repo.status = oldstatus


@eh.wrapcommand('rollback')
def overriderollback(orig, ui, repo, **opts):
    with repo.wlock():
        before = repo.dirstate.parents()
        orphans = set(
            f
            for f in repo.dirstate
            if lfutil.isstandin(f) and repo.dirstate[f] != 'r'
        )
        result = orig(ui, repo, **opts)
        after = repo.dirstate.parents()
        if before == after:
            return result  # no need to restore standins

        pctx = repo['.']
        for f in repo.dirstate:
            if lfutil.isstandin(f):
                orphans.discard(f)
                if repo.dirstate[f] == 'r':
                    repo.wvfs.unlinkpath(f, ignoremissing=True)
                elif f in pctx:
                    fctx = pctx[f]
                    repo.wwrite(f, fctx.data(), fctx.flags())
                else:
                    # content of standin is not so important in 'a',
                    # 'm' or 'n' (coming from the 2nd parent) cases
                    lfutil.writestandin(repo, f, '', False)
        for standin in orphans:
            repo.wvfs.unlinkpath(standin, ignoremissing=True)

        lfdirstate = lfutil.openlfdirstate(ui, repo)
        orphans = set(lfdirstate)

            lfdirstate.drop(lfile)
        lfdirstate.write()
    return result


@eh.wrapcommand('transplant', extension='transplant')
def overridetransplant(orig, ui, repo, *revs, **opts):
    resuming = opts.get(r'continue')
    repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
    repo._lfstatuswriters.append(lambda *msg, **opts: None)
    try:

        repo._lfstatuswriters.pop()
        repo._lfcommithooks.pop()
    return result


@eh.wrapcommand('cat')
def overridecat(orig, ui, repo, file1, *pats, **opts):
    opts = pycompat.byteskwargs(opts)
    ctx = scmutil.revsingle(repo, opts.get('rev'))
    err = 1
    notbad = set()
    m = scmutil.match(ctx, (file1,) + pats, opts)
    origmatchfn = m.matchfn

        return origvisitdirfn(lf)

    m.visitdir = lfvisitdirfn

    for f in ctx.walk(m):
        with cmdutil.makefileobj(ctx, opts.get('output'), pathname=f) as fp:
            lf = lfutil.splitstandin(f)
            if lf is None or origmatchfn(f):
                # duplicating unreachable code from commands.cat
                data = ctx[f].data()
                if opts.get('decode'):
                    data = repo.wwritedata(f, data)
                fp.write(data)
            else:
                hash = lfutil.readasstandin(ctx[f])
                if not lfutil.inusercache(repo.ui, hash):
                    store = storefactory.openstore(repo)
                    success, missing = store.get([(lf, hash)])
                    if len(success) != 1:
                        raise error.Abort(
                            _(
                                'largefile %s is not in cache and could not be '
                                'downloaded'
                            )
                            % lf
                        )
                path = lfutil.usercachepath(repo.ui, hash)
                with open(path, "rb") as fpin:
                    for chunk in util.filechunkiter(fpin):
                        fp.write(chunk)
        err = 0
    return err


@eh.wrapfunction(merge, 'update')
def mergeupdate(orig, repo, node, branchmerge, force, *args, **kwargs):
    matcher = kwargs.get(r'matcher', None)
    # note if this is a partial update
    partial = matcher and not matcher.always()
    with repo.wlock():

            ignored=False,
            clean=True,
            unknown=False,
        )
        oldclean = set(s.clean)
        pctx = repo['.']
        dctx = repo[node]
        for lfile in unsure + s.modified:
            lfileabs = repo.wvfs.join(lfile)
            if not repo.wvfs.exists(lfileabs):
                continue

        )

        return result


@eh.wrapfunction(scmutil, 'marktouched')
def scmutilmarktouched(orig, repo, files, *args, **kwargs):
    result = orig(repo, files, *args, **kwargs)

    filelist = []
    for f in files:

        )

    return result


@eh.wrapfunction(upgrade, 'preservedrequirements')
@eh.wrapfunction(upgrade, 'supporteddestrequirements')
def upgraderequirements(orig, repo):
    reqs = orig(repo)
    if 'largefiles' in repo.requirements:
        reqs.add('largefiles')
    return reqs


_lfscheme = 'largefile://'


@eh.wrapfunction(urlmod, 'open')
def openlargefile(orig, ui, url_, data=None):
    if url_.startswith(_lfscheme):
        if data:
            msg = "cannot use data on a 'largefile://' url"
            raise error.ProgrammingError(msg)
        lfid = url_[len(_lfscheme) :]
        return storefactory.getlfile(ui, lfid)
    else:
        return orig(ui, url_, data=data)

43077:687b865b95ad

        ui, lfutil.islfilesrepo(repo), opts.get(r'lfsize')
    )

    lfmatcher = None
    if lfutil.islfilesrepo(repo):
        lfpats = ui.configlist(lfutil.longname, b'patterns')
        if lfpats:
            lfmatcher = matchmod.match(repo.root, b'', list(lfpats))

    lfnames = []
    m = matcher

    wctx = repo[None]

        # Don't warn the user when they attempt to add a normal tracked file.
        # The normal add code will do that for us.
        if exact and exists:
            if lfile:
                ui.warn(_(b'%s already a largefile\n') % uipathfn(f))
            continue

        if (exact or not exists) and not lfutil.isstandin(f):
            # In case the file was removed previously, but not committed
            # (issue3507)

                lfsize and repo.wvfs.lstat(f).st_size >= lfsize * 1024 * 1024
            )
            if large or abovemin or (lfmatcher and lfmatcher(f)):
                lfnames.append(f)
                if ui.verbose or not exact:
                    ui.status(_(b'adding %s as a largefile\n') % uipathfn(f))

    bad = []

    # Need to lock, otherwise there could be a race condition between
    # when standins are created and added to the repo.

            for f in lfnames:
                standinname = lfutil.standin(f)
                lfutil.writestandin(
                    repo,
                    standinname,
                    hash=b'',
                    executable=lfutil.getexecutable(repo.wjoin(f)),
                )
                standins.append(standinname)
                if lfdirstate[f] == b'r':
                    lfdirstate.normallookup(f)
                else:
                    lfdirstate.add(f)
            lfdirstate.write()
            bad += [

        return int(len(files) > 0)

    if after:
        remove = deleted
        result = warn(
            modified + added + clean, _(b'not removing %s: file still exists\n')
        )
    else:
        remove = deleted + clean
        result = warn(
            modified,
            _(
                b'not removing %s: file is modified (use -f'
                b' to force removal)\n'
            ),
        )
        result = (
            warn(
                added,
                _(
                    b'not removing %s: file has been marked for add'
                    b' (use forget to undo)\n'
                ),
            )
            or result
        )

    # repository and we could race in-between.
    with repo.wlock():
        lfdirstate = lfutil.openlfdirstate(ui, repo)
        for f in sorted(remove):
            if ui.verbose or not m.exact(f):
                ui.status(_(b'removing %s\n') % uipathfn(f))

            if not dryrun:
                if not after:
                    repo.wvfs.unlinkpath(f, ignoremissing=True)

    return result


# For overriding mercurial.hgweb.webcommands so that largefiles will
# appear at their right place in the manifests.
@eh.wrapfunction(webcommands, b'decodepath')
def decodepath(orig, path):
    return lfutil.splitstandin(path) or path


# -- Wrappers: modify existing commands --------------------------------


@eh.wrapcommand(
    b'add',
    opts=[
        (b'', b'large', None, _(b'add as largefile')),
        (b'', b'normal', None, _(b'add as normal file')),
        (
            b'',
            b'lfsize',
            b'',
            _(
                b'add all files above this size (in megabytes) '
                b'as largefiles (default: 10)'
            ),
        ),
    ],
)
def overrideadd(orig, ui, repo, *pats, **opts):
    if opts.get(r'normal') and opts.get(r'large'):
        raise error.Abort(_(b'--normal cannot be used with --large'))
    return orig(ui, repo, *pats, **opts)


@eh.wrapfunction(cmdutil, b'add')
def cmdutiladd(orig, ui, repo, matcher, prefix, uipathfn, explicitonly, **opts):
    # The --normal flag short circuits this override
    if opts.get(r'normal'):
        return orig(ui, repo, matcher, prefix, uipathfn, explicitonly, **opts)

    bad.extend(f for f in lbad)
    return bad


@eh.wrapfunction(cmdutil, b'remove')
def cmdutilremove(
    orig, ui, repo, matcher, prefix, uipathfn, after, force, subrepos, dryrun
):
    normalmatcher = composenormalfilematcher(matcher, repo[None].manifest())
    result = orig(

        )
        or result
    )


@eh.wrapfunction(subrepo.hgsubrepo, b'status')
def overridestatusfn(orig, repo, rev2, **opts):
    try:
        repo._repo.lfstatus = True
        return orig(repo, rev2, **opts)
    finally:
        repo._repo.lfstatus = False


@eh.wrapcommand(b'status')
def overridestatus(orig, ui, repo, *pats, **opts):
    try:
        repo.lfstatus = True
        return orig(ui, repo, *pats, **opts)
    finally:
        repo.lfstatus = False


@eh.wrapfunction(subrepo.hgsubrepo, b'dirty')
def overridedirty(orig, repo, ignoreupdate=False, missing=False):
    try:
        repo._repo.lfstatus = True
        return orig(repo, ignoreupdate=ignoreupdate, missing=missing)
    finally:
        repo._repo.lfstatus = False


@eh.wrapcommand(b'log')
def overridelog(orig, ui, repo, *pats, **opts):
    def overridematchandpats(
        orig,
        ctx,
        pats=(),
        opts=None,
        globbed=False,
        default=b'relpath',
        badfn=None,
    ):
        """Matcher that merges root directory with .hglf, suitable for log.
        It is still possible to match .hglf directly.
        For any listed files run log on the standin too.

            return matchandpats

        pats = set(p)

        def fixpats(pat, tostandin=lfutil.standin):
            if pat.startswith(b'set:'):
                return pat

            kindpat = matchmod._patsplit(pat, None)

            if kindpat[0] is not None:
                return kindpat[0] + b':' + tostandin(kindpat[1])
            return tostandin(kindpat[1])

        cwd = repo.getcwd()
        if cwd:
            hglf = lfutil.shortname

                # is somewhere in the repo, relative to root, and needs to be
                # prepended before building the standin.
                if os.path.isabs(cwd):
                    f = f[len(back) :]
                else:
                    f = cwd + b'/' + f
                return back + lfutil.standin(f)

        else:

            def tostandin(f):

        pats.update(fixpats(f, tostandin) for f in p)

        for i in range(0, len(m._files)):
            # Don't add '.hglf' to m.files, since that is already covered by '.'
            if m._files[i] == b'.':
                continue
            standin = lfutil.standin(m._files[i])
            # If the "standin" is a directory, append instead of replace to
            # support naming a directory on the command line with only
            # largefiles.  The original directory is kept to support normal

            r = origmatchfn(f)
            return r

        m.matchfn = lfmatchfn

        ui.debug(b'updated patterns: %s\n' % b', '.join(sorted(pats)))
        return m, pats

    # For hg log --patch, the match object is used in two different senses:
    # (1) to determine what revisions should be printed out, and
    # (2) to determine what files to print out diffs for.

        wctx = repo[None]
        match, pats = oldmatchandpats(wctx, pats, opts, badfn=badfn)
        return lambda ctx: match

    wrappedmatchandpats = extensions.wrappedfunction(
        scmutil, b'matchandpats', overridematchandpats
    )
    wrappedmakefilematcher = extensions.wrappedfunction(
        logcmdutil, b'_makenofollowfilematcher', overridemakefilematcher
    )
    with wrappedmatchandpats, wrappedmakefilematcher:
        return orig(ui, repo, *pats, **opts)


@eh.wrapcommand(
    b'verify',
    opts=[
        (
            b'',
            b'large',
            None,
            _(b'verify that all largefiles in current revision exists'),
        ),
        (
            b'',
            b'lfa',
            None,
            _(b'verify largefiles in all revisions, not just current'),
        ),
        (
            b'',
            b'lfc',
            None,
            _(b'verify local largefile contents, not just existence'),
        ),
    ],
)
def overrideverify(orig, ui, repo, *pats, **opts):
    large = opts.pop(r'large', False)

        result = result or lfcommands.verifylfiles(ui, repo, all, contents)
    return result


@eh.wrapcommand(
    b'debugstate',
    opts=[(b'', b'large', None, _(b'display largefiles dirstate'))],
)
def overridedebugstate(orig, ui, repo, *pats, **opts):
    large = opts.pop(r'large', False)
    if large:

# in a file 'foo' if we already have a largefile with the same name.
#
# The overridden function filters the unknown files by removing any
# largefiles. This makes the merge proceed and we can then handle this
# case further in the overridden calculateupdates function below.
@eh.wrapfunction(merge, b'_checkunknownfile')
def overridecheckunknownfile(origfn, repo, wctx, mctx, f, f2=None):
    if lfutil.standin(repo.dirstate.normalize(f)) in wctx:
        return False
    return origfn(repo, wctx, mctx, f, f2)

# presumably changed on purpose.
#
# Finally, the merge.applyupdates function will then take care of
# writing the files into the working copy and lfcommands.updatelfiles
# will update the largefiles.
@eh.wrapfunction(merge, b'calculateupdates')
def overridecalculateupdates(
    origfn, repo, p1, p2, pas, branchmerge, force, acceptremote, *args, **kwargs
):
    overwrite = force and not branchmerge
    actions, diverge, renamedelete = origfn(

    for lfile in sorted(lfiles):
        standin = lfutil.standin(lfile)
        (lm, largs, lmsg) = actions.get(lfile, (None, None, None))
        (sm, sargs, smsg) = actions.get(standin, (None, None, None))
        if sm in (b'g', b'dc') and lm != b'r':
            if sm == b'dc':
                f1, f2, fa, move, anc = sargs
                sargs = (p2[f2].flags(), False)
            # Case 1: normal file in the working copy, largefile in
            # the second parent
            usermsg = (
                _(
                    b'remote turned local normal file %s into a largefile\n'
                    b'use (l)argefile or keep (n)ormal file?'
                    b'$$ &Largefile $$ &Normal file'
                )
                % lfile
            )
            if repo.ui.promptchoice(usermsg, 0) == 0:  # pick remote largefile
                actions[lfile] = (b'r', None, b'replaced by standin')
                actions[standin] = (b'g', sargs, b'replaces standin')
            else:  # keep local normal file
                actions[lfile] = (b'k', None, b'replaces standin')
                if branchmerge:
                    actions[standin] = (b'k', None, b'replaced by non-standin')
                else:
                    actions[standin] = (b'r', None, b'replaced by non-standin')
        elif lm in (b'g', b'dc') and sm != b'r':
            if lm == b'dc':
                f1, f2, fa, move, anc = largs
                largs = (p2[f2].flags(), False)
            # Case 2: largefile in the working copy, normal file in
            # the second parent
            usermsg = (
                _(
                    b'remote turned local largefile %s into a normal file\n'
                    b'keep (l)argefile or use (n)ormal file?'
                    b'$$ &Largefile $$ &Normal file'
                )
                % lfile
            )
            if repo.ui.promptchoice(usermsg, 0) == 0:  # keep local largefile
                if branchmerge:
                    # largefile can be restored from standin safely
                    actions[lfile] = (b'k', None, b'replaced by standin')
                    actions[standin] = (b'k', None, b'replaces standin')
                else:
                    # "lfile" should be marked as "removed" without
                    # removal of itself
                    actions[lfile] = (
                        b'lfmr',
                        None,
                        b'forget non-standin largefile',
                    )

                    # linear-merge should treat this largefile as 're-added'
                    actions[standin] = (b'a', None, b'keep standin')
            else:  # pick remote normal file
                actions[lfile] = (b'g', largs, b'replaces standin')
                actions[standin] = (b'r', None, b'replaced by non-standin')

    return actions, diverge, renamedelete


@eh.wrapfunction(merge, b'recordupdates')
def mergerecordupdates(orig, repo, actions, branchmerge, getfiledata):
    if b'lfmr' in actions:
        lfdirstate = lfutil.openlfdirstate(repo.ui, repo)
        for lfile, args, msg in actions[b'lfmr']:
            # this should be executed before 'orig', to execute 'remove'
            # before all other actions
            repo.dirstate.remove(lfile)
            # make sure lfile doesn't get synclfdirstate'd as normal
            lfdirstate.add(lfile)

    return orig(repo, actions, branchmerge, getfiledata)


# Override filemerge to prompt the user about how they wish to merge
# largefiles. This will handle identical edits without prompting the user.
@eh.wrapfunction(filemerge, b'_filemerge')
def overridefilemerge(
    origfn, premerge, repo, wctx, mynode, orig, fcd, fco, fca, labels=None
):
    if not lfutil.isstandin(orig) or fcd.isabsent() or fco.isabsent():
        return origfn(

        and ohash != dhash
        and (
            dhash == ahash
            or repo.ui.promptchoice(
                _(
                    b'largefile %s has a merge conflict\nancestor was %s\n'
                    b'you can keep (l)ocal %s or take (o)ther %s.\n'
                    b'what do you want to do?'
                    b'$$ &Local $$ &Other'
                )
                % (lfutil.splitstandin(orig), ahash, dhash, ohash),
                0,
            )
            == 1

    ):
        repo.wwrite(fcd.path(), fco.data(), fco.flags())
    return True, 0, False


@eh.wrapfunction(copiesmod, b'pathcopies')
def copiespathcopies(orig, ctx1, ctx2, match=None):
    copies = orig(ctx1, ctx2, match=match)
    updated = {}

    for k, v in copies.iteritems():

# Copy first changes the matchers to match standins instead of
# largefiles.  Then it overrides util.copyfile in that function it
# checks if the destination largefile already exists. It also keeps a
# list of copied files so that the largefiles can be copied and the
# dirstate updated.
@eh.wrapfunction(cmdutil, b'copy')
def overridecopy(orig, ui, repo, pats, opts, rename=False):
    # doesn't remove largefile on rename
    if len(pats) < 2:
        # this isn't legal, let the original function deal with it
        return orig(ui, repo, pats, opts, rename)

        orig,
        ctx,
        pats=(),
        opts=None,
        globbed=False,
        default=b'relpath',
        badfn=None,
    ):
        if opts is None:
            opts = {}
        match = orig(ctx, pats, opts, globbed, default, badfn=badfn)
        return composenormalfilematcher(match, manifest)

    with extensions.wrappedfunction(scmutil, b'match', normalfilesmatchfn):
        try:
            result = orig(ui, repo, pats, opts, rename)
        except error.Abort as e:
            if pycompat.bytestr(e) != _(b'no files to copy'):
                raise e
            else:
                nonormalfiles = True
            result = 0

            orig,
            ctx,
            pats=(),
            opts=None,
            globbed=False,
            default=b'relpath',
            badfn=None,
        ):
            if opts is None:
                opts = {}
            newpats = []
            # The patterns were previously mangled to add the standin
            # directory; we need to remove that now
            for pat in pats:
                if matchmod.patkind(pat) is None and lfutil.shortname in pat:
                    newpats.append(pat.replace(lfutil.shortname, b''))
                else:
                    newpats.append(pat)
            match = orig(ctx, newpats, opts, globbed, default, badfn=badfn)
            m = copy.copy(match)
            lfile = lambda f: lfutil.standin(f) in manifest

        def overridecopyfile(orig, src, dest, *args, **kwargs):
            if lfutil.shortname in src and dest.startswith(
                repo.wjoin(lfutil.shortname)
            ):
                destlfile = dest.replace(lfutil.shortname, b'')
                if not opts[b'force'] and os.path.exists(destlfile):
                    raise IOError(
                        b'', _(b'destination largefile already exists')
                    )
            copiedfiles.append((src, dest))
            orig(src, dest, *args, **kwargs)

        with extensions.wrappedfunction(util, b'copyfile', overridecopyfile):
            with extensions.wrappedfunction(scmutil, b'match', overridematch):
                result += orig(ui, repo, listpats, opts, rename)

        lfdirstate = lfutil.openlfdirstate(ui, repo)
        for (src, dest) in copiedfiles:
            if lfutil.shortname in src and dest.startswith(
                repo.wjoin(lfutil.shortname)
            ):
                srclfile = src.replace(repo.wjoin(lfutil.standin(b'')), b'')
                destlfile = dest.replace(repo.wjoin(lfutil.standin(b'')), b'')
                destlfiledir = repo.wvfs.dirname(repo.wjoin(destlfile)) or b'.'
                if not os.path.isdir(destlfiledir):
                    os.makedirs(destlfiledir)
                if rename:
                    os.rename(repo.wjoin(srclfile), repo.wjoin(destlfile))

                    util.copyfile(repo.wjoin(srclfile), repo.wjoin(destlfile))

                lfdirstate.add(destlfile)
        lfdirstate.write()
    except error.Abort as e:
        if pycompat.bytestr(e) != _(b'no files to copy'):
            raise e
        else:
            nolfiles = True
    finally:
        wlock.release()

    if nolfiles and nonormalfiles:
        raise error.Abort(_(b'no files to copy'))

    return result


# When the user calls revert, we have to be careful to not revert any

#
# Standins are only updated (to match the hash of largefiles) before
# commits. Update the standins then run the original revert, changing
# the matcher to hit standins instead of largefiles. Based on the
# resulting standins update the largefiles.
@eh.wrapfunction(cmdutil, b'revert')
def overriderevert(orig, ui, repo, ctx, parents, *pats, **opts):
    # Because we put the standins in a bad state (by updating them)
    # and then return them to a correct state we need to lock to
    # prevent others from changing them in their incorrect state.
    with repo.wlock():

            orig,
            mctx,
            pats=(),
            opts=None,
            globbed=False,
            default=b'relpath',
            badfn=None,
        ):
            if opts is None:
                opts = {}
            match = orig(mctx, pats, opts, globbed, default, badfn=badfn)

            matchfiles = []
            for f in m._files:
                standin = lfutil.standin(f)
                if standin in ctx or standin in mctx:
                    matchfiles.append(standin)
                elif standin in wctx or lfdirstate[f] == b'r':
                    continue
                else:
                    matchfiles.append(f)
            m._files = matchfiles
            m._fileset = set(m._files)

                return origmatchfn(f)

            m.matchfn = matchfn
            return m

        with extensions.wrappedfunction(scmutil, b'match', overridematch):
            orig(ui, repo, ctx, parents, *pats, **opts)

        newstandins = lfutil.getstandinsstate(repo)
        filelist = lfutil.getlfilestoupdate(oldstandins, newstandins)
        # lfdirstate should be 'normallookup'-ed for updated files,

# after pulling changesets, we need to take some extra care to get
# largefiles updated remotely
@eh.wrapcommand(
    b'pull',
    opts=[
        (
            b'',
            b'all-largefiles',
            None,
            _(b'download all pulled versions of largefiles (DEPRECATED)'),
        ),
        (
            b'',
            b'lfrev',
            [],
            _(b'download largefiles for these revisions'),
            _(b'REV'),
        ),
    ],
)
def overridepull(orig, ui, repo, source=None, **opts):
    revsprepull = len(repo)
    if not source:
        source = b'default'
    repo.lfpullsource = source
    result = orig(ui, repo, source, **opts)
    revspostpull = len(repo)
    lfrevs = opts.get(r'lfrev', [])
    if opts.get(r'all_largefiles'):
        lfrevs.append(b'pulled()')
    if lfrevs and revspostpull > revsprepull:
        numcached = 0
        repo.firstpulled = revsprepull  # for pulled() revset expression
        try:
            for rev in scmutil.revrange(repo, lfrevs):
                ui.note(_(b'pulling largefiles for revision %d\n') % rev)
                (cached, missing) = lfcommands.cachelfiles(ui, repo, rev)
                numcached += len(cached)
        finally:
            del repo.firstpulled
        ui.status(_(b"%d largefiles cached\n") % numcached)
    return result


@eh.wrapcommand(
    b'push',
    opts=[
        (
            b'',
            b'lfrev',
            [],
            _(b'upload largefiles for these revisions'),
            _(b'REV'),
        )
    ],
)
def overridepush(orig, ui, repo, *args, **kwargs):
    """Override push command and store --lfrev parameters in opargs"""
    lfrevs = kwargs.pop(r'lfrev', None)
    if lfrevs:
        opargs = kwargs.setdefault(r'opargs', {})
        opargs[b'lfrevs'] = scmutil.revrange(repo, lfrevs)
    return orig(ui, repo, *args, **kwargs)


@eh.wrapfunction(exchange, b'pushoperation')
def exchangepushoperation(orig, *args, **kwargs):
    """Override pushoperation constructor and store lfrevs parameter"""
    lfrevs = kwargs.pop(r'lfrevs', None)
    pushop = orig(*args, **kwargs)
    pushop.lfrevs = lfrevs
    return pushop


@eh.revsetpredicate(b'pulled()')
def pulledrevsetsymbol(repo, subset, x):
    """Changesets that just has been pulled.

    Only available with largefiles from pull --lfrev expressions.

    """

    try:
        firstpulled = repo.firstpulled
    except AttributeError:
        raise error.Abort(_(b"pulled() only available in --lfrev"))
    return smartset.baseset([r for r in subset if r >= firstpulled])


@eh.wrapcommand(
    b'clone',
    opts=[
        (
            b'',
            b'all-largefiles',
            None,
            _(b'download all versions of all largefiles'),
        )
    ],
)
def overrideclone(orig, ui, source, dest=None, **opts):
    d = dest
    if d is None:
        d = hg.defaultdest(source)
    if opts.get(r'all_largefiles') and not hg.islocal(d):
        raise error.Abort(
            _(b'--all-largefiles is incompatible with non-local destination %s')
            % d
        )

    return orig(ui, source, dest, **opts)


@eh.wrapfunction(hg, b'clone')
def hgclone(orig, ui, opts, *args, **kwargs):
    result = orig(ui, opts, *args, **kwargs)

    if result is not None:
        sourcerepo, destrepo = result

            return result

        # Caching is implicitly limited to 'rev' option, since the dest repo was
        # truncated at that point.  The user may expect a download count with
        # this option, so attempt whether or not this is a largefile repo.
        if opts.get(b'all_largefiles'):
            success, missing = lfcommands.downloadlfiles(ui, repo, None)

            if missing != 0:
                return None

    return result


@eh.wrapcommand(b'rebase', extension=b'rebase')
def overriderebase(orig, ui, repo, **opts):
    if not util.safehasattr(repo, b'_largefilesenabled'):
        return orig(ui, repo, **opts)

    resuming = opts.get(r'continue')
    repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
    repo._lfstatuswriters.append(lambda *msg, **opts: None)

    finally:
        repo._lfstatuswriters.pop()
        repo._lfcommithooks.pop()


@eh.wrapcommand(b'archive')
def overridearchivecmd(orig, ui, repo, dest, **opts):
    repo.unfiltered().lfstatus = True

    try:
        return orig(ui, repo.unfiltered(), dest, **opts)
    finally:
        repo.unfiltered().lfstatus = False


@eh.wrapfunction(webcommands, b'archive')
def hgwebarchive(orig, web):
    web.repo.lfstatus = True

    try:
        return orig(web)
    finally:
        web.repo.lfstatus = False


@eh.wrapfunction(archival, b'archive')
def overridearchive(
    orig,
    repo,
    dest,
    node,
    kind,
    decode=True,
    match=None,
    prefix=b'',
    mtime=None,
    subrepos=None,
):
    # For some reason setting repo.lfstatus in hgwebarchive only changes the
    # unfiltered repo's attr, so check that as well.

    # largefile caches, neither of which are modified.
    if node is not None:
        lfcommands.cachelfiles(repo.ui, repo, node)

    if kind not in archival.archivers:
        raise error.Abort(_(b"unknown archive type '%s'") % kind)

    ctx = repo[node]

    if kind == b'files':
        if prefix:
            raise error.Abort(_(b'cannot give prefix when archiving to files'))
    else:
        prefix = archival.tidyprefix(dest, kind, prefix)

    def write(name, mode, islink, getdata):
        if match and not match(name):

            data = repo.wwritedata(name, data)
        archiver.addfile(prefix + name, mode, islink, data)

    archiver = archival.archivers[kind](dest, mtime or ctx.date()[0])

    if repo.ui.configbool(b"ui", b"archivemeta"):
        write(
            b'.hg_archival.txt',
            0o644,
            False,
            lambda: archival.buildmetadata(ctx),
        )

                path = lfutil.findfile(repo, getdata().strip())

                if path is None:
                    raise error.Abort(
                        _(
                            b'largefile %s not found in repo store or system cache'
                        )
                        % lfile
                    )
            else:
                path = lfile

            f = lfile

            getdata = lambda: util.readfile(path)
        write(f, b'x' in ff and 0o755 or 0o644, b'l' in ff, getdata)

    if subrepos:
        for subpath in sorted(ctx.substate):
            sub = ctx.workingsub(subpath)
            submatch = matchmod.subdirmatcher(subpath, match)
            subprefix = prefix + subpath + b'/'
            sub._repo.lfstatus = True
            sub.archive(archiver, subprefix, submatch)

    archiver.done()


@eh.wrapfunction(subrepo.hgsubrepo, b'archive')
def hgsubrepoarchive(orig, repo, archiver, prefix, match=None, decode=True):
    lfenabled = util.safehasattr(repo._repo, b'_largefilesenabled')
    if not lfenabled or not repo._repo.lfstatus:
        return orig(repo, archiver, prefix, match, decode)

    repo._get(repo._state + (b'hg',))
    rev = repo._state[1]
    ctx = repo._repo[rev]

    if ctx.node() is not None:
        lfcommands.cachelfiles(repo.ui, repo._repo, ctx.node())

                path = lfutil.findfile(repo._repo, getdata().strip())

                if path is None:
                    raise error.Abort(
                        _(
                            b'largefile %s not found in repo store or system cache'
                        )
                        % lfile
                    )
            else:
                path = lfile

            f = lfile

            getdata = lambda: util.readfile(os.path.join(prefix, path))

        write(f, b'x' in ff and 0o755 or 0o644, b'l' in ff, getdata)

    for subpath in sorted(ctx.substate):
        sub = ctx.workingsub(subpath)
        submatch = matchmod.subdirmatcher(subpath, match)
        subprefix = prefix + subpath + b'/'
        sub._repo.lfstatus = True
        sub.archive(archiver, subprefix, submatch, decode)


# If a largefile is modified, the change is not reflected in its
# standin until a commit. cmdutil.bailifchanged() raises an exception
# if the repo has uncommitted changes. Wrap it to also check if
# largefiles were changed. This is used by bisect, backout and fetch.
@eh.wrapfunction(cmdutil, b'bailifchanged')
def overridebailifchanged(orig, repo, *args, **kwargs):
    orig(repo, *args, **kwargs)
    repo.lfstatus = True
    s = repo.status()
    repo.lfstatus = False
    if s.modified or s.added or s.removed or s.deleted:
        raise error.Abort(_(b'uncommitted changes'))


@eh.wrapfunction(cmdutil, b'postcommitstatus')
def postcommitstatus(orig, repo, *args, **kwargs):
    repo.lfstatus = True
    try:
        return orig(repo, *args, **kwargs)
    finally:
        repo.lfstatus = False


@eh.wrapfunction(cmdutil, b'forget')
def cmdutilforget(
    orig, ui, repo, match, prefix, uipathfn, explicitonly, dryrun, interactive
):
    normalmatcher = composenormalfilematcher(match, repo[None].manifest())
    bad, forgot = orig(

    for f in forget:
        fstandin = lfutil.standin(f)
        if fstandin not in repo.dirstate and not repo.wvfs.isdir(fstandin):
            ui.warn(
                _(b'not removing %s: file is already untracked\n') % uipathfn(f)
            )
            bad.append(f)

    for f in forget:
        if ui.verbose or not m.exact(f):
            ui.status(_(b'removing %s\n') % uipathfn(f))

    # Need to lock because standin files are deleted then removed from the
    # repository and we could race in-between.
    with repo.wlock():
        lfdirstate = lfutil.openlfdirstate(ui, repo)
        for f in forget:
            if lfdirstate[f] == b'a':
                lfdirstate.drop(f)
            else:
                lfdirstate.remove(f)
        lfdirstate.write()
        standins = [lfutil.standin(f) for f in forget]

            if not lfexists[lfhash]:  # lfhash doesn't exist on "other"
                addfunc(fn, lfhash)


def outgoinghook(ui, repo, other, opts, missing):
    if opts.pop(b'large', None):
        lfhashes = set()
        if ui.debugflag:
            toupload = {}

            def addfunc(fn, lfhash):

                toupload[fn].append(lfhash)
                lfhashes.add(lfhash)

            def showhashes(fn):
                for lfhash in sorted(toupload[fn]):
                    ui.debug(b'    %s\n' % lfhash)

        else:
            toupload = set()

            def addfunc(fn, lfhash):

                pass

        _getoutgoings(repo, other, missing, addfunc)

        if not toupload:
            ui.status(_(b'largefiles: no files to upload\n'))
        else:
            ui.status(
                _(b'largefiles to upload (%d entities):\n') % (len(lfhashes))
            )
            for file in sorted(toupload):
                ui.status(lfutil.splitstandin(file) + b'\n')
                showhashes(file)
            ui.status(b'\n')


@eh.wrapcommand(
    b'outgoing', opts=[(b'', b'large', None, _(b'display outgoing largefiles'))]
)
def _outgoingcmd(orig, *args, **kwargs):
    # Nothing to do here other than add the extra help option- the hook above
    # processes it.
    return orig(*args, **kwargs)


def summaryremotehook(ui, repo, opts, changes):
    largeopt = opts.get(b'large', False)
    if changes is None:
        if largeopt:
            return (False, True)  # only outgoing check is needed
        else:
            return (False, False)
    elif largeopt:
        url, branch, peer, outgoing = changes[1]
        if peer is None:
            # i18n: column positioning for "hg summary"
            ui.status(_(b'largefiles: (no remote repo)\n'))
            return

        toupload = set()
        lfhashes = set()

        _getoutgoings(repo, peer, outgoing.missing, addfunc)

        if not toupload:
            # i18n: column positioning for "hg summary"
            ui.status(_(b'largefiles: (no files to upload)\n'))
        else:
            # i18n: column positioning for "hg summary"
            ui.status(
                _(b'largefiles: %d entities for %d files to upload\n')
                % (len(lfhashes), len(toupload))
            )


@eh.wrapcommand(
    b'summary', opts=[(b'', b'large', None, _(b'display outgoing largefiles'))]
)
def overridesummary(orig, ui, repo, *pats, **opts):
    try:
        repo.lfstatus = True
        orig(ui, repo, *pats, **opts)
    finally:
        repo.lfstatus = False


@eh.wrapfunction(scmutil, b'addremove')
def scmutiladdremove(orig, repo, matcher, prefix, uipathfn, opts=None):
    if opts is None:
        opts = {}
    if not lfutil.islfilesrepo(repo):
        return orig(repo, matcher, prefix, uipathfn, opts)

            repo.ui,
            repo,
            True,
            m,
            uipathfn,
            opts.get(b'dry_run'),
            **pycompat.strkwargs(opts)
        )
    # Call into the normal add code, and any files that *should* be added as
    # largefiles will be
    added, bad = addlargefiles(

    return orig(repo, matcher, prefix, uipathfn, opts)


# Calling purge with --all will cause the largefiles to be deleted.
# Override repo.status to prevent this from happening.
@eh.wrapcommand(b'purge', extension=b'purge')
def overridepurge(orig, ui, repo, *dirs, **opts):
    # XXX Monkey patching a repoview will not work. The assigned attribute will
    # be set on the unfiltered repo, but we will only lookup attributes in the
    # unfiltered repo if the lookup in the repoview object itself fails. As the
    # monkey patched method exists on the repoview class the lookup will not

    # cleaner instead.
    repo = repo.unfiltered()
    oldstatus = repo.status

    def overridestatus(
        node1=b'.',
        node2=None,
        match=None,
        ignored=False,
        clean=False,
        unknown=False,

    ):
        r = oldstatus(
            node1, node2, match, ignored, clean, unknown, listsubrepos
        )
        lfdirstate = lfutil.openlfdirstate(ui, repo)
        unknown = [f for f in r.unknown if lfdirstate[f] == b'?']
        ignored = [f for f in r.ignored if lfdirstate[f] == b'?']
        return scmutil.status(
            r.modified, r.added, r.removed, r.deleted, unknown, ignored, r.clean
        )

    repo.status = overridestatus
    orig(ui, repo, *dirs, **opts)
    repo.status = oldstatus


@eh.wrapcommand(b'rollback')
def overriderollback(orig, ui, repo, **opts):
    with repo.wlock():
        before = repo.dirstate.parents()
        orphans = set(
            f
            for f in repo.dirstate
            if lfutil.isstandin(f) and repo.dirstate[f] != b'r'
        )
        result = orig(ui, repo, **opts)
        after = repo.dirstate.parents()
        if before == after:
            return result  # no need to restore standins

        pctx = repo[b'.']
        for f in repo.dirstate:
            if lfutil.isstandin(f):
                orphans.discard(f)
                if repo.dirstate[f] == b'r':
                    repo.wvfs.unlinkpath(f, ignoremissing=True)
                elif f in pctx:
                    fctx = pctx[f]
                    repo.wwrite(f, fctx.data(), fctx.flags())
                else:
                    # content of standin is not so important in 'a',
                    # 'm' or 'n' (coming from the 2nd parent) cases
                    lfutil.writestandin(repo, f, b'', False)
        for standin in orphans:
            repo.wvfs.unlinkpath(standin, ignoremissing=True)

        lfdirstate = lfutil.openlfdirstate(ui, repo)
        orphans = set(lfdirstate)

            lfdirstate.drop(lfile)
        lfdirstate.write()
    return result


@eh.wrapcommand(b'transplant', extension=b'transplant')
def overridetransplant(orig, ui, repo, *revs, **opts):
    resuming = opts.get(r'continue')
    repo._lfcommithooks.append(lfutil.automatedcommithook(resuming))
    repo._lfstatuswriters.append(lambda *msg, **opts: None)
    try:

        repo._lfstatuswriters.pop()
        repo._lfcommithooks.pop()
    return result


@eh.wrapcommand(b'cat')
def overridecat(orig, ui, repo, file1, *pats, **opts):
    opts = pycompat.byteskwargs(opts)
    ctx = scmutil.revsingle(repo, opts.get(b'rev'))
    err = 1
    notbad = set()
    m = scmutil.match(ctx, (file1,) + pats, opts)
    origmatchfn = m.matchfn

        return origvisitdirfn(lf)

    m.visitdir = lfvisitdirfn

    for f in ctx.walk(m):
        with cmdutil.makefileobj(ctx, opts.get(b'output'), pathname=f) as fp:
            lf = lfutil.splitstandin(f)
            if lf is None or origmatchfn(f):
                # duplicating unreachable code from commands.cat
                data = ctx[f].data()
                if opts.get(b'decode'):
                    data = repo.wwritedata(f, data)
                fp.write(data)
            else:
                hash = lfutil.readasstandin(ctx[f])
                if not lfutil.inusercache(repo.ui, hash):
                    store = storefactory.openstore(repo)
                    success, missing = store.get([(lf, hash)])
                    if len(success) != 1:
                        raise error.Abort(
                            _(
                                b'largefile %s is not in cache and could not be '
                                b'downloaded'
                            )
                            % lf
                        )
                path = lfutil.usercachepath(repo.ui, hash)
                with open(path, b"rb") as fpin:
                    for chunk in util.filechunkiter(fpin):
                        fp.write(chunk)
        err = 0
    return err


@eh.wrapfunction(merge, b'update')
def mergeupdate(orig, repo, node, branchmerge, force, *args, **kwargs):
    matcher = kwargs.get(r'matcher', None)
    # note if this is a partial update
    partial = matcher and not matcher.always()
    with repo.wlock():

            ignored=False,
            clean=True,
            unknown=False,
        )
        oldclean = set(s.clean)
        pctx = repo[b'.']
        dctx = repo[node]
        for lfile in unsure + s.modified:
            lfileabs = repo.wvfs.join(lfile)
            if not repo.wvfs.exists(lfileabs):
                continue

        )

        return result


@eh.wrapfunction(scmutil, b'marktouched')
def scmutilmarktouched(orig, repo, files, *args, **kwargs):
    result = orig(repo, files, *args, **kwargs)

    filelist = []
    for f in files:

        )

    return result


@eh.wrapfunction(upgrade, b'preservedrequirements')
@eh.wrapfunction(upgrade, b'supporteddestrequirements')
def upgraderequirements(orig, repo):
    reqs = orig(repo)
    if b'largefiles' in repo.requirements:
        reqs.add(b'largefiles')
    return reqs


_lfscheme = b'largefile://'


@eh.wrapfunction(urlmod, b'open')
def openlargefile(orig, ui, url_, data=None):
    if url_.startswith(_lfscheme):
        if data:
            msg = b"cannot use data on a 'largefile://' url"
            raise error.ProgrammingError(msg)
        lfid = url_[len(_lfscheme) :]
        return storefactory.getlfile(ui, lfid)
    else:
        return orig(ui, url_, data=data)