[PATCH evolve-ext-V4] evolve: add new method _evolvecontinue (issue4854)

timeless timeless at gmail.com
Wed Jan 20 19:22:48 CST 2016


You should also touch cmdutil.afterresolvedstates

On Wed, Jan 20, 2016 at 6:46 PM, Shusen LIU <liushusen at fb.com> wrote:
> # HG changeset patch
> # User Shusen LIU <liushusen at fb.com>
> # Date 1453333539 28800
> #      Wed Jan 20 15:45:39 2016 -0800
> # Node ID 9f9170b5e6761ca1e4175d1aafb9604e2cc59fdf
> # Parent  d4aa50ecc5a334694d4cad45985fcec494337d87
> evolve: add new method _evolvecontinue (issue4854)
>
> This patch introduces new method _evolvecontinue to for `hg evolve --continue`,
> get rip of previous implmentation which calls `graft` command. It reads/writes
> to `evolvestate` file for states.
>
> diff --git a/hgext/evolve.py b/hgext/evolve.py
> --- a/hgext/evolve.py
> +++ b/hgext/evolve.py
> @@ -112,6 +112,7 @@
>  from mercurial import wireproto
>  from mercurial import localrepo
>  from mercurial.hgweb import hgweb_mod
> +from mercurial.lock import release
>
>  cmdtable = {}
>  command = cmdutil.command(cmdtable)
> @@ -952,6 +953,10 @@
>          try:
>              r = _evolvemerge(repo, orig, dest, pctx, keepbranch)
>              if r[-1]:  #some conflict
> +                _evolvestatewrite(repo, {'orig': orig.hex(),
> +                                         'dest': dest.hex(),
> +                                         'commitmsg': commitmsg,
> +                                        })
>                  raise error.Abort(
>                          'unresolved merge conflicts (see hg help resolve)')
>              nodenew = _relocatecommit(repo, orig, commitmsg)
> @@ -968,6 +973,7 @@
>              raise
>          oldbookmarks = repo.nodebookmarks(nodesrc)
>          _finalizerelocate(repo, orig, dest, nodenew, tr)
> +        _evolvestatedelete(repo)
>          tr.close()
>      finally:
>          tr.release()
> @@ -1651,8 +1657,8 @@
>              raise error.Abort('cannot specify both "--any" and "--continue"')
>          if allopt:
>              raise error.Abort('cannot specify both "--all" and "--continue"')
> -        graftcmd = commands.table['graft'][0]
> -        return graftcmd(ui, repo, old_obsolete=True, **{'continue': True})
> +        _evolvecontinue(repo)
> +        return 0
>      cmdutil.bailifchanged(repo)
>
>
> @@ -1796,7 +1802,6 @@
>          try:
>              relocate(repo, orig, target, pctx, keepbranch)
>          except MergeFailure:
> -            repo.opener.write('graftstate', orig.hex() + '\n')
>              repo.ui.write_err(_('evolve failed!\n'))
>              repo.ui.write_err(
>                  _('fix conflict and run "hg evolve --continue"'
> @@ -3667,13 +3672,21 @@
>                        _helploader))
>          help.helptable.sort()
>
> -def _relocatecommit(repo, orig, commitmsg):
> +def _relocatecommit(repo, orig, commitmsg, continued=False):
>      if commitmsg is None:
>          commitmsg = orig.description()
> -    extra = dict(orig.extra())
> +    extra = orig.extra().copy()
>      if 'branch' in extra:
>          del extra['branch']
> -    extra['rebase_source'] = orig.hex()
> +
> +    if continued:
> +        source = extra.get('source')
> +        if source:
> +            extra['intermediate-source'] = orig.hex()
> +        else:
> +            extra['source'] = orig.hex()
> +    else:
> +        extra['rebase_source'] = orig.hex()
>
>      backup = repo.ui.backupconfig('phases', 'new-commit')
>      try:
> @@ -3764,3 +3777,29 @@
>
>  def _evolvestatedelete(repo):
>      util.unlinkpath(repo.join('evolvestate'), ignoremissing=True)
> +
> +def _evolvecontinue(repo):
> +    state = _evolvestateread(repo)
> +    orig = repo[state['orig']]
> +    dest = repo[state['dest']]
> +    commitmsg = state['commitmsg']
> +
> +    desc = '%d:%s "%s"' % (orig.rev(), orig,
> +                           orig.description().split('\n', 1)[0])
> +    names = repo.nodetags(orig.node()) + repo.nodebookmarks(orig.node())
> +    if names:
> +        desc += ' (%s)' % ' '.join(names)
> +    repo.ui.status(_('evolving %s\n') % desc)
> +
> +    wlock = lock = None
> +    try:
> +        wlock = repo.wlock() # must come first
> +        lock = repo.lock()
> +        tr = repo.transaction("evolvecontinue")
> +        # perform write operation
> +        nodenew = _relocatecommit(repo, orig, commitmsg, True)
> +        _finalizerelocate(repo, orig, dest, nodenew, tr)
> +        _evolvestatedelete(repo)
> +        tr.close()
> +    finally:
> +        release(tr, lock, wlock) # reverse order
> diff --git a/tests/test-stabilize-conflict.t b/tests/test-stabilize-conflict.t
> --- a/tests/test-stabilize-conflict.t
> +++ b/tests/test-stabilize-conflict.t
> @@ -166,7 +166,7 @@
>    $ hg resolve --all -m
>    (no more unresolved files)
>    $ hg evolve --continue
> -  grafting 5:71c18f70c34f "babar count up to fifteen"
> +  evolving 5:71c18f70c34f "babar count up to fifteen"
>    $ hg resolve -l
>    $ hg log -G
>    @  changeset:   8:7f3d9db50b5d
> diff --git a/tests/test-stabilize-result.t b/tests/test-stabilize-result.t
> --- a/tests/test-stabilize-result.t
> +++ b/tests/test-stabilize-result.t
> @@ -97,13 +97,13 @@
>    +a
>    +newer a
>    $ hg evolve --continue
> -  grafting 5:3655f0f50885 "newer a"
> +  evolving 5:3655f0f50885 "newer a"
>    abort: unresolved merge conflicts (see "hg help resolve")
>    [255]
>    $ hg resolve -m a
>    (no more unresolved files)
>    $ hg evolve --continue
> -  grafting 5:3655f0f50885 "newer a"
> +  evolving 5:3655f0f50885 "newer a"
>
>  Stabilize latecomer with different parent
>  =========================================
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