[PATCH] rebase: properly abort when destination is public (issue4896)

Augie Fackler raf at durin42.com
Thu Oct 15 12:21:31 CDT 2015


On Wed, Oct 14, 2015 at 01:28:42PM -0700, Christian Delahousse wrote:
> # HG changeset patch
> # User Christian Delahousse <cdelahousse at fb.com>
> # Date 1444770411 25200
> #      Tue Oct 13 14:06:51 2015 -0700
> # Node ID 25b0907d39de22cf628d610565400b5372539630
> # Parent  07db7e95c464537aeb2dd7aba39de0813eaffd04
> rebase: properly abort when destination is public (issue4896)

This has been clowncopterized, thanks!

>
> After rebasing a set of changes onto a public changeset and having the first one
> be skipped, if you try to abort, the operation fails. This fix adds a check to
> disallow the target rev into the dstates list within the abort function. This
> list is checked for immutable states before the rest of abort does its thing.
>
> diff --git a/hgext/rebase.py b/hgext/rebase.py
> --- a/hgext/rebase.py
> +++ b/hgext/rebase.py
> @@ -917,7 +917,11 @@
>
>      activebookmark: the name of the bookmark that should be active after the
>          restore'''
> -    dstates = [s for s in state.values() if s >= 0]
> +
> +    # If the first commits in the rebased set get skipped during the rebase,
> +    # their values within the state mapping will be the target rev id. The
> +    # dstates list must must not contain the target rev (issue4896)
> +    dstates = [s for s in state.values() if s >= 0 and s != target]
>      immutable = [d for d in dstates if not repo[d].mutable()]
>      cleanup = True
>      if immutable:
> diff --git a/tests/test-rebase-abort.t b/tests/test-rebase-abort.t
> --- a/tests/test-rebase-abort.t
> +++ b/tests/test-rebase-abort.t
> @@ -318,3 +318,37 @@
>    commit: (clean)
>    update: 1 new changesets, 2 branch heads (merge)
>    phases: 4 draft
> +
> +test aborting a rebase succeeds after rebasing with skipped commits onto a
> +public changeset (issue4896)
> +
> +  $ hg init succeedonpublic
> +  $ cd succeedonpublic
> +  $ echo 'content' > root
> +  $ hg commit -A -m 'root' -q
> +
> +set up public branch
> +  $ echo 'content' > disappear
> +  $ hg commit -A -m 'disappear public' -q
> +commit will cause merge conflict on rebase
> +  $ echo '' > root
> +  $ hg commit -m 'remove content public' -q
> +  $ hg phase --public
> +
> +setup the draft branch that will be rebased onto public commit
> +  $ hg up -r 0 -q
> +  $ echo 'content' > disappear
> +commit will disappear
> +  $ hg commit -A -m 'disappear draft' -q
> +  $ echo 'addedcontADDEDentadded' > root
> +commit will cause merge conflict on rebase
> +  $ hg commit -m 'add content draft' -q
> +
> +  $ hg rebase -d 'public()' --tool :merge -q
> +  note: rebase of 3:0682fd3dabf5 created no changes to commit
> +  warning: conflicts while merging root! (edit, then use 'hg resolve --mark')
> +  unresolved conflicts (see hg resolve, then hg rebase --continue)
> +  [1]
> +  $ hg rebase --abort
> +  rebase aborted
> +
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