[PATCH 2 of 2 V3] revert: add support for reverting subrepos

[Matt Mackall]

On Sat, 2011-10-15 at 01:10 +0200, Angel Ezquerra wrote:
> # HG changeset patch
> # User Angel Ezquerra <angel.ezquerra at gmail.com>
> # Date 1318633615 -7200
> # Node ID f4d050e992a90bdc386498c201dbab5b9a7ddde2
> # Parent  adb7eb4d36eaa4a67b586357e1ec6de6435ab587
> revert: add support for reverting subrepos
> 
> Reverting a subrepo is done by updating it to the revision that is selected on
> the parent repo .hgsubstate file.
> 
> * ISSUES/TODO:
> - Added and removed subrepos are not handled (that is left for another patch).
> 
> - This version of this patch only allows reverting a subrepo if the --no-backup
> flag is used, since no backups are performed on the contents of the subrepo. It
> could be possible to add support for backing up the subrepo contents by first
> performing a "revert --all" on the subrepo, and then updating the subrepo to
> the proper revision.
> 
> - The behavior of the --all flag has not been changed: The --all flag will not
> revert the state of the subrepos. In order to support the --all flag we must
> also support not using the --no-backup flag. Otherwise it will not be possible
> to use --all without the --no-backup flag.

There's a bit too much uncertainty here still. Let's revisit this after
Nov 1st.

-- 
Mathematics is the supreme nostalgia of our time.