Re: [PATCH 5/5] rebase: fix cherry-pick invocations

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Junio C Hamano <gitster@xxxxxxxxx> writes:

> Felipe Contreras <felipe.contreras@xxxxxxxxx> writes:
>
>> So that all the tests pass.
>>
>> Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
>> ---
>>  git-rebase--cherry.sh | 17 ++++++++++++++++-
>>  1 file changed, 16 insertions(+), 1 deletion(-)
>>
>> diff --git a/git-rebase--cherry.sh b/git-rebase--cherry.sh
>> index ca78b1b..c3a2ac9 100644
>> --- a/git-rebase--cherry.sh
>> +++ b/git-rebase--cherry.sh
>> @@ -23,11 +23,26 @@ test -n "$rebase_root" && root_flag=--root
>>  mkdir "$state_dir" || die "Could not create temporary $state_dir"
>>  : > "$state_dir"/cherry || die "Could not mark as cherry"
>>  
>> +if test -n "$rebase_root"
>> +then
>> +	revisions="$onto...$orig_head"
>> +else
>> +	revisions="$upstream...$orig_head"
>> +fi
>
> "So that all the tests pass" needs a bit more explanation to say for
> cherry-pick codepath why and how two-dot range fails and why and how
> three-dot variant with --right-only fixes it.  What are the problematic
> cases?

Yikes, sorry, this was me being slow.  Walking A...B range with
right-only and --cherry applied will filter the duplicates, which is
wat you want, I think, and walking A..B range will not do the
filtering for you.


>>  # we have to do this the hard way.  git format-patch completely squashes
>>  # empty commits and even if it didn't the format doesn't really lend
>>  # itself well to recording empty patches.  fortunately, cherry-pick
>>  # makes this easy
>> -git cherry-pick --allow-empty "$revisions"
>> +if test -n "$keep_empty"
>> +then
>> +	extra="--allow-empty"
>> +else
>> +	extra="--skip-empty --cherry-pick"
>> +fi
>> +test -n "$GIT_QUIET" && extra="$extra -q"
>> +test -z "$force_rebase" && extra="$extra --ff"
>> +git cherry-pick --no-merges --right-only --topo-order --do-walk --copy-notes $extra "$revisions"
>>  ret=$?
>>  
>>  if test 0 != $ret
--
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