[PATCH 4 of 4 V2] localrepo: reinstate localrepo.parents with a deprecation warning

[Augie Fackler]

On Mon, Dec 07, 2015 at 11:33:52AM -0800, Pierre-Yves David wrote:
> # HG changeset patch
> # User Pierre-Yves David <pierre-yves.david at fb.com>
> # Date 1449386089 28800
> #      Sat Dec 05 23:14:49 2015 -0800
> # Node ID 4ad5faeb04fee3e86de9e9d9ae530c9dc48cbc5d
> # Parent  4469287024fbad9588cb3a75daa1aa76d80d4a76
> # EXP-Topic deprecationwarning
> # Available At http://hg.netv6.net/marmoute-wip/mercurial/
> #              hg pull http://hg.netv6.net/marmoute-wip/mercurial/ -r 4ad5faeb04fe
> localrepo: reinstate localrepo.parents with a deprecation warning

Queued these, thanks!

>
> The function was dropped in 3fe8cb40c9c5. This API drop brokes three of my
> extensions including some critical to my workflow like tortoisehg. Lets mark
> this API for death and give people time to fix their code.
>
> diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
> --- a/mercurial/localrepo.py
> +++ b/mercurial/localrepo.py
> @@ -849,10 +849,16 @@ class localrepository(object):
>      def file(self, f):
>          if f[0] == '/':
>              f = f[1:]
>          return filelog.filelog(self.svfs, f)
>
> +    def parents(self, changeid=None):
> +        '''get list of changectxs for parents of changeid'''
> +        msg = 'repo.parents() is deprecated, use repo[%r].parents()' % changeid
> +        self.ui.deprecwarn(msg, '3.7')
> +        return self[changeid].parents()
> +
>      def changectx(self, changeid):
>          return self[changeid]
>
>      def setparents(self, p1, p2=nullid):
>          self.dirstate.beginparentchange()
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