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

sidedata-exchange: add `wanted_sidedata` and `sidedata_computers` to repos...

sidedata-exchange: add `wanted_sidedata` and `sidedata_computers` to repos Each repo will advertise the sidedata categories it requires (categories being unique and canonical), and have a set of "computers", functions to generate sidedata from `(repo, revlog, rev, previous_sidedata)`, for a given category. The set of computers can be a superset of the set of the wanted categories, but not smaller: repos are expected to be coherent in their handling of sidedata. Differential Revision: https://phab.mercurial-scm.org/D10028

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_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 __future__ import absolute_import

      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)

                  )

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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 __future__ import absolute_import

				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)
				)