Mercurial > hg
view hgext/hooklib/reject_new_heads.py @ 48875:6000f5b25c9b
py2: remove simple from __future__ statements
These were needed for Python 2 support. Now that our linter no longer
mandates these, we can start deleting them.
Differential Revision: https://phab.mercurial-scm.org/D12254
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 03 Mar 2022 17:34:00 +0100 |
parents | 4cabeea6d214 |
children |
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# Copyright 2020 Joerg Sonnenberger <joerg@bec.de> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. """reject_new_heads is a hook to check that branches touched by new changesets have at most one open head. It can be used to enforce policies for merge-before-push or rebase-before-push. It does not handle pre-existing hydras. Usage: [hooks] pretxnclose.reject_new_heads = \ python:hgext.hooklib.reject_new_heads.hook """ from mercurial.i18n import _ from mercurial import ( error, pycompat, ) def hook(ui, repo, hooktype, node=None, **kwargs): if hooktype != b"pretxnclose": raise error.Abort( _(b'Unsupported hook type %r') % pycompat.bytestr(hooktype) ) ctx = repo.unfiltered()[node] branches = set() for rev in repo.changelog.revs(start=ctx.rev()): rev = repo[rev] branches.add(rev.branch()) for branch in branches: if len(repo.revs("head() and not closed() and branch(%s)", branch)) > 1: raise error.Abort( _(b'Changes on branch %r resulted in multiple heads') % pycompat.bytestr(branch) )