# closehead.py - Close arbitrary heads without checking them out first

#

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

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

'''close arbitrary heads without checking them out first'''

from __future__ import absolute_import

from mercurial.i18n import _

from mercurial import (

    bookmarks,

    cmdutil,

    context,

    error,

    logcmdutil,

    pycompat,

    registrar,

)

cmdtable = {}

command = registrar.command(cmdtable)

# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for

# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should

# be specifying the version(s) of Mercurial they are tested with, or

# leave the attribute unspecified.

testedwith = b'ships-with-hg-core'

commitopts = cmdutil.commitopts

commitopts2 = cmdutil.commitopts2

commitopts3 = [(b'r', b'rev', [], _(b'revision to check'), _(b'REV'))]

@command(

    b'close-head|close-heads',

    commitopts + commitopts2 + commitopts3,

    _(b'[OPTION]... [REV]...'),

    helpcategory=command.CATEGORY_CHANGE_MANAGEMENT,

    inferrepo=True,

)

def close_branch(ui, repo, *revs, **opts):

    """close the given head revisions

    This is equivalent to checking out each revision in a clean tree and running

    ``hg commit --close-branch``, except that it doesn't change the working

    directory.

    The commit message must be specified with -l or -m.

    """

    def docommit(rev):

        cctx = context.memctx(

            repo,

            parents=[rev, None],

            text=message,

            files=[],

            filectxfn=None,

            user=opts.get(b'user'),

            date=opts.get(b'date'),

            extra=extra,

        )

        tr = repo.transaction(b'commit')

        ret = repo.commitctx(cctx, True)

        bookmarks.update(repo, [rev, None], ret)

        cctx.markcommitted(ret)

        tr.close()

    opts = pycompat.byteskwargs(opts)

    revs += tuple(opts.get(b'rev', []))

    revs = logcmdutil.revrange(repo, revs)

    if not revs:

        raise error.Abort(_(b'no revisions specified'))

    heads = []

    for branch in repo.branchmap():

        heads.extend(repo.branchheads(branch))

    heads = {repo[h].rev() for h in heads}

    for rev in revs:

        if rev not in heads:

            raise error.Abort(_(b'revision is not an open head: %d') % rev)

    message = cmdutil.logmessage(ui, opts)

    if not message:

        raise error.Abort(_(b"no commit message specified with -l or -m"))

    extra = {b'close': b'1'}

    with repo.wlock(), repo.lock():

        for rev in revs:

            r = repo[rev]

            branch = r.branch()

            extra[b'branch'] = branch

            docommit(r)

    return 0