Mercurial > hg
view hgext/hooklib/reject_merge_commits.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> |
---|---|
date | Thu, 03 Mar 2022 17:34:00 +0100 |
parents | 4cabeea6d214 |
children |
line wrap: on
line source
# 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_merge_commits is a hook to check new changesets for merge commits. Merge commits are allowed only between different branches, i.e. merging a feature branch into the main development branch. This can be used to enforce policies for linear commit histories. Usage: [hooks] pretxnchangegroup.reject_merge_commits = \ python:hgext.hooklib.reject_merge_commits.hook """ from mercurial.i18n import _ from mercurial import ( error, pycompat, ) def hook(ui, repo, hooktype, node=None, **kwargs): if hooktype != b"pretxnchangegroup": raise error.Abort( _(b'Unsupported hook type %r') % pycompat.bytestr(hooktype) ) ctx = repo.unfiltered()[node] for rev in repo.changelog.revs(start=ctx.rev()): rev = repo[rev] parents = rev.parents() if len(parents) < 2: continue if all(repo[p].branch() == rev.branch() for p in parents): raise error.Abort( _( b'%s rejected as merge on the same branch. ' b'Please consider rebase.' ) % rev )