[PATCH 2 of 2] rebase: don't require destination if commands.rebase.requiredest=False

[Jun Wu]

This looks good to me. Thanks for the fix!

Excerpts from Martin von Zweigbergk's message of 2017-03-24 16:35:08 -0700:
> # HG changeset patch
> # User Martin von Zweigbergk <martinvonz at google.com>
> # Date 1490397610 25200
> #      Fri Mar 24 16:20:10 2017 -0700
> # Node ID ccac4af8923796bf53dba045d574dcfd68665fff
> # Parent  d2674430b3d3eea1259e4fe2c1d7da539db9454f
> rebase: don't require destination if commands.rebase.requiredest=False
> 
> diff -r d2674430b3d3 -r ccac4af89237 hgext/rebase.py
> --- a/hgext/rebase.py    Fri Mar 24 16:20:04 2017 -0700
> +++ b/hgext/rebase.py    Fri Mar 24 16:20:10 2017 -0700
> @@ -686,7 +686,7 @@
>          # Validate input and define rebasing points
>          destf = opts.get('dest', None)
>  
> -        if ui.config('commands', 'rebase.requiredest'):
> +        if ui.configbool('commands', 'rebase.requiredest'):
>              if not destf:
>                  raise error.Abort(_('you must specify a destination'),
>                                    hint=_('use: hg rebase -d REV'))
> diff -r d2674430b3d3 -r ccac4af89237 tests/test-rebase-base.t
> --- a/tests/test-rebase-base.t    Fri Mar 24 16:20:04 2017 -0700
> +++ b/tests/test-rebase-base.t    Fri Mar 24 16:20:10 2017 -0700
> @@ -419,6 +419,5 @@
>    saved backup bundle to $TESTTMP/repo/.hg/strip-backup/889b0bc6a730-41ec4f81-backup.hg (glob)
>    $ hg rebase -d 0 -r . -q
>    $ hg --config commands.rebase.requiredest=False rebase
> -  abort: you must specify a destination
> -  (use: hg rebase -d REV)
> -  [255]
> +  rebasing 2:279de9495438 "cc" (tip)
> +  saved backup bundle to $TESTTMP/repo/.hg/strip-backup/279de9495438-ab0a5128-backup.hg (glob)