comparison mercurial/merge.py @ 46366:135056e8b5a8

purge: add a --confirm option

The options provide a prompt to the user before permanent deletion are made.

The prompt is currently not aware of directory deletion. I'll fix this in the
next changesets.

Differential Revision: https://phab.mercurial-scm.org/D9818

46365:63dfaca9087f

    ignored=False,
    removeemptydirs=True,
    removefiles=True,
    abortonerror=False,
    noop=False,
):
    """Purge the working directory of untracked files.

    ``matcher`` is a matcher configured to scan the working directory -
    potentially a subset.

    ``abortonerror`` causes an exception to be raised if an error occurs
    deleting a file or directory.

    ``noop`` controls whether to actually remove files. If not defined, actions
    will be taken.

    Returns an iterable of relative paths in the working directory that were
    or would be removed.
    """

            directories = []
            matcher.traversedir = directories.append

        status = repo.status(match=matcher, ignored=ignored, unknown=unknown)

        if removefiles:
            for f in sorted(status.unknown + status.ignored):
                if not noop:
                    repo.ui.note(_(b'removing file %s\n') % f)
                    remove(repo.wvfs.unlink, f)

46366:135056e8b5a8

    ignored=False,
    removeemptydirs=True,
    removefiles=True,
    abortonerror=False,
    noop=False,
    confirm=False,
):
    """Purge the working directory of untracked files.

    ``matcher`` is a matcher configured to scan the working directory -
    potentially a subset.

    ``abortonerror`` causes an exception to be raised if an error occurs
    deleting a file or directory.

    ``noop`` controls whether to actually remove files. If not defined, actions
    will be taken.

    ``confirm`` ask confirmation before actually removing anything.

    Returns an iterable of relative paths in the working directory that were
    or would be removed.
    """

            directories = []
            matcher.traversedir = directories.append

        status = repo.status(match=matcher, ignored=ignored, unknown=unknown)

        if confirm:
            nb_ignored = len(status.ignored)
            nb_unkown = len(status.unknown)
            if nb_unkown and nb_ignored:
                msg = _(b"permanently delete %d unkown and %d ignored files?")
                msg %= (nb_unkown, nb_ignored)
            elif nb_unkown:
                msg = _(b"permanently delete %d unkown files?")
                msg %= nb_unkown
            elif nb_ignored:
                msg = _(b"permanently delete %d ignored files?")
                msg %= nb_ignored
            else:
                # XXX we might be missing directory there
                return res
            msg += b" (yN)$$ &Yes $$ &No"
            if repo.ui.promptchoice(msg, default=1) == 1:
                raise error.CanceledError(_(b'removal cancelled'))

        if removefiles:
            for f in sorted(status.unknown + status.ignored):
                if not noop:
                    repo.ui.note(_(b'removing file %s\n') % f)
                    remove(repo.wvfs.unlink, f)