upstream/mercurial-mirror Files · hgext/hooklib/reject_merge_commits.py

dirstate: remove need_delay logic...

dirstate: remove need_delay logic Now that all¹ stored mtime are non ambiguous, we no longer need to apply the `need_delay` step. The need delay logic was not great are mtime gathered during longer operation could be ambiguous but younger than the `dirstate.write` call time. So, we don't need that logic anymore and can drop it This make the code much simpler. The code related to the test extension faking the dirstate write is now obsolete and associated test will be migrated as follow up. They currently do not break. [1] except the ones from `hg update`, but `need_delay` no longer help for them either. Differential Revision: https://phab.mercurial-scm.org/D11796

Joerg Sonnenberger - - Load All Authors

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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_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 __future__ import absolute_import

      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

                  )

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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_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 __future__ import absolute_import

				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
				)