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annotate mercurial/stack.py @ 37000:40583c7afd63

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stack: add a new module for stack-related commands Bootstrap the module with a function that returns the stack for the current revision. The definition of the stack is ihnerited from histedit default revset and used by hg show stack. Differential Revision: https://phab.mercurial-scm.org/D2395
author Boris Feld <boris.feld@octobus.net>
date Fri, 19 Jan 2018 15:25:06 +0100
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children 68fcc5503ec5
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37000
40583c7afd63 stack: add a new module for stack-related commands
Boris Feld <boris.feld@octobus.net>
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1 # stack.py - Mercurial functions for stack definition
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2 #
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3 # Copyright Matt Mackall <mpm@selenic.com> and other
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 from __future__ import absolute_import
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9
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10 from . import (
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11 revsetlang,
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12 scmutil,
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13 )
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14
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15 def getstack(repo, rev=None):
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16 """return a smartrev of the stack containing either rev if it is not None
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17 or the current working directory parent.
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18
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19 The stack will always contain all drafts changesets which are ancestors to
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20 the revision and are not merges.
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21 """
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22 if rev is None:
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23 rev = '.'
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24
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25 revspec = 'reverse(only(%s) and not public() and not ::merge())'
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26 revset = revsetlang.formatspec(revspec, rev)
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27 return scmutil.revrange(repo, [revset])