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revlogutils: move the NodeMap class in a dedicated nodemap module...

revlogutils: move the NodeMap class in a dedicated nodemap module We will introduce more nodemap related code, so it make sense to move the existing code in that module first. Differential Revision: https://phab.mercurial-scm.org/D7809

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      # stack.py - Mercurial functions for stack definition

      #

      #  Copyright Matt Mackall <mpm@selenic.com> and other

      #

      # 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

      def getstack(repo, rev=None):

          """return a sorted smartrev of the stack containing either rev if it is

          not None or the current working directory parent.

          The stack will always contain all drafts changesets which are ancestors to

          the revision and are not merges.

          """

          if rev is None:

              rev = b'.'

          revspec = b'only(%s) and not public() and not ::merge()'

          revisions = repo.revs(revspec, rev)

          revisions.sort()

          return revisions

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				# stack.py - Mercurial functions for stack definition
				#
				# Copyright Matt Mackall <mpm@selenic.com> and other
				#
				# 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


				def getstack(repo, rev=None):
				"""return a sorted smartrev of the stack containing either rev if it is
				not None or the current working directory parent.

				The stack will always contain all drafts changesets which are ancestors to
				the revision and are not merges.
				"""
				if rev is None:
				rev = b'.'

				revspec = b'only(%s) and not public() and not ::merge()'
				revisions = repo.revs(revspec, rev)
				revisions.sort()
				return revisions