comparison mercurial/commands.py @ 15877:afd459933d5f

tag: lock before tagging

15876:2de1244361aa

    Since tag names have priority over branch names during revision
    lookup, using an existing branch name as a tag name is discouraged.

    Returns 0 on success.
    """

    rev_ = "."
    names = [t.strip() for t in (name1,) + names]
    if len(names) != len(set(names)):
        raise util.Abort(_('tag names must be unique'))
    for n in names:
        if n in ['tip', '.', 'null']:
            raise util.Abort(_("the name '%s' is reserved") % n)
        if not n:
            raise util.Abort(_('tag names cannot consist entirely of whitespace'))
    if opts.get('rev') and opts.get('remove'):
        raise util.Abort(_("--rev and --remove are incompatible"))
    if opts.get('rev'):
        rev_ = opts['rev']
    message = opts.get('message')
    if opts.get('remove'):
        expectedtype = opts.get('local') and 'local' or 'global'
        for n in names:
            if not repo.tagtype(n):
                raise util.Abort(_("tag '%s' does not exist") % n)
            if repo.tagtype(n) != expectedtype:
                if expectedtype == 'global':
                    raise util.Abort(_("tag '%s' is not a global tag") % n)
                else:
                    raise util.Abort(_("tag '%s' is not a local tag") % n)
        rev_ = nullid
        if not message:
            # we don't translate commit messages
            message = 'Removed tag %s' % ', '.join(names)
    elif not opts.get('force'):
        for n in names:
            if n in repo.tags():
                raise util.Abort(_("tag '%s' already exists "
                                   "(use -f to force)") % n)
    if not opts.get('local'):
        p1, p2 = repo.dirstate.parents()
        if p2 != nullid:
            raise util.Abort(_('uncommitted merge'))
        bheads = repo.branchheads()
        if not opts.get('force') and bheads and p1 not in bheads:
            raise util.Abort(_('not at a branch head (use -f to force)'))
    r = scmutil.revsingle(repo, rev_).node()

    if not message:
        # we don't translate commit messages
        message = ('Added tag %s for changeset %s' %
                   (', '.join(names), short(r)))

    date = opts.get('date')
    if date:
        date = util.parsedate(date)

    if opts.get('edit'):
        message = ui.edit(message, ui.username())

    repo.tag(names, r, message, opts.get('local'), opts.get('user'), date)

@command('tags', [], '')
def tags(ui, repo):
    """list repository tags

15877:afd459933d5f

    Since tag names have priority over branch names during revision
    lookup, using an existing branch name as a tag name is discouraged.

    Returns 0 on success.
    """
    wlock = lock = None
    try:
        wlock = repo.wlock()
        lock = repo.lock()
        rev_ = "."
        names = [t.strip() for t in (name1,) + names]
        if len(names) != len(set(names)):
            raise util.Abort(_('tag names must be unique'))
        for n in names:
            if n in ['tip', '.', 'null']:
                raise util.Abort(_("the name '%s' is reserved") % n)
            if not n:
                raise util.Abort(_('tag names cannot consist entirely of '
                                   'whitespace'))
        if opts.get('rev') and opts.get('remove'):
            raise util.Abort(_("--rev and --remove are incompatible"))
        if opts.get('rev'):
            rev_ = opts['rev']
        message = opts.get('message')
        if opts.get('remove'):
            expectedtype = opts.get('local') and 'local' or 'global'
            for n in names:
                if not repo.tagtype(n):
                    raise util.Abort(_("tag '%s' does not exist") % n)
                if repo.tagtype(n) != expectedtype:
                    if expectedtype == 'global':
                        raise util.Abort(_("tag '%s' is not a global tag") % n)
                    else:
                        raise util.Abort(_("tag '%s' is not a local tag") % n)
            rev_ = nullid
            if not message:
                # we don't translate commit messages
                message = 'Removed tag %s' % ', '.join(names)
        elif not opts.get('force'):
            for n in names:
                if n in repo.tags():
                    raise util.Abort(_("tag '%s' already exists "
                                       "(use -f to force)") % n)
        if not opts.get('local'):
            p1, p2 = repo.dirstate.parents()
            if p2 != nullid:
                raise util.Abort(_('uncommitted merge'))
            bheads = repo.branchheads()
            if not opts.get('force') and bheads and p1 not in bheads:
                raise util.Abort(_('not at a branch head (use -f to force)'))
        r = scmutil.revsingle(repo, rev_).node()

        if not message:
            # we don't translate commit messages
            message = ('Added tag %s for changeset %s' %
                       (', '.join(names), short(r)))

        date = opts.get('date')
        if date:
            date = util.parsedate(date)

        if opts.get('edit'):
            message = ui.edit(message, ui.username())

        repo.tag(names, r, message, opts.get('local'), opts.get('user'), date)
    finally:
        release(lock, wlock)

@command('tags', [], '')
def tags(ui, repo):
    """list repository tags