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transaction: do not rely on a global variable to post_finalize file...

transaction: do not rely on a global variable to post_finalize file We can just add a new argument to the `addfilegenerator` function. This is more explicit and therefor clearer and less error prone. Differential Revision: https://phab.mercurial-scm.org/D12125

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             crash_transaction_late.py
        
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      # tiny extension to abort a transaction very late during test

      #

      # Copyright 2020 Pierre-Yves David <pierre-yves.david@octobus.net>

      #

      # This software may be used and distributed according to the terms of the

      # GNU General Public License version 2 or any later version.

      from __future__ import absolute_import

      from mercurial import (

          error,

      )

      def abort(fp):

          raise error.Abort(b"This is a late abort")

      def reposetup(ui, repo):

          class LateAbortRepo(repo.__class__):

              def transaction(self, *args, **kwargs):

                  tr = super(LateAbortRepo, self).transaction(*args, **kwargs)

                  tr.addfilegenerator(

                      b'late-abort',

                      [b'late-abort'],

                      abort,

                      order=9999999,

                      post_finalize=True,

                  )

                  return tr

          repo.__class__ = LateAbortRepo

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				# tiny extension to abort a transaction very late during test
				#
				# Copyright 2020 Pierre-Yves David <pierre-yves.david@octobus.net>
				#
				# This software may be used and distributed according to the terms of the
				# GNU General Public License version 2 or any later version.

				from __future__ import absolute_import

				from mercurial import (
				error,
				)


				def abort(fp):
				raise error.Abort(b"This is a late abort")


				def reposetup(ui, repo):
				class LateAbortRepo(repo.__class__):
				def transaction(self, args, *kwargs):
				tr = super(LateAbortRepo, self).transaction(args, *kwargs)
				tr.addfilegenerator(
				b'late-abort',
				[b'late-abort'],
				abort,
				order=9999999,
				post_finalize=True,
				)
				return tr

				repo.__class__ = LateAbortRepo