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From Nicolas Lalevée <>
Subject Re: ant git commit: Unbreak tests
Date Sun, 08 Jul 2018 13:10:33 GMT
I have re done the revert and merge locally, and compared the diff between my local banches
and the remote one. I had only diffs due to my editor automatically removing trailing space
on empty lines, and I had to figure out what the status of the apt tasks (and indeed it doesn’t
need to be merged back into master).

I have not tested as much as you have, but I have tested the revert, merge and conflicts resolve,
and it is ok for me.

So thank you for you detailed mail about what you did. I think we should have that rule: in
case of a commits which generates a lot of diff, share the commands which generated these
diffs. Thus anyone can check the rationale of the commands and make the diff between local
and remote.


> Le 7 juil. 2018 à 14:53, Jaikiran Pai <> a écrit :
> Here's a status of the current state of upstream repo branches "master" and "1.9.x".
But before getting to it, I would like to state that I really had no pleasure in doing these
reverts. I really do mean it. I wish we had never ended up in this situation (and hopefully
will never again), but I do believe reverting this was the right decision.
> 1.9.x branch:
> - Before starting the revert operation, the latest commit on this branch was 7df9120ebc1f9bee97a6a1a47f0a5fda986e4ab0
which was the trailing whitespace commit.
> - Reverted that commit by issuing a "git revert 7df9120ebc1f9bee97a6a1a47f0a5fda986e4ab0"
> - Did a clean build (just compilation and jar generation, no test cases were run locally)
> - Finally to make sure I didn't introduce any unnecessary changes/problems of my own
in this efforts, I compared the latest commit (which was the revert commit) against the 7df9120ebc1f9bee97a6a1a47f0a5fda986e4ab0
commit's parent on 1.9.x, b2da27513c7806357bf146bde44b3cc469757122 using the following command:
> git diff b2da27513c7806357bf146bde44b3cc469757122 9b1b8dbbc6e9aa98922da28683f3773f586811e5
> This returned empty (which is a good thing)
> Pushed this state to upstream 1.9.x branch.
> master branch:
> This was a bit more complicated than the 1.9.x branch, given merge commits plus additional
master only commits that had happened on this branch between the trailing whitespace commit,
plus the fact that the trailing whitespace commit touched extremely large number of files.
> - Before starting the revert on this branch, the latest commit on it was 4ce54bf3b6c521af9c8db3229df5cd8b3199a3b2.
> - The trailing whitespace commit was done before that above commit and was 2f64e0b51c295960cb15aa77c7c1f447b2518e14.
There were some other unrelated commits between these 2 commits.
> - Reverted that commit by issuing:
> git revert 2f64e0b51c295960cb15aa77c7c1f447b2518e14
> Needed to sort out merge conflicts with the following files:
> Unmerged paths:
>   (use "git reset HEAD <file>..." to unstage)
>   (use "git add <file>..." to mark resolution)
>     both modified:   src/etc/testcases/taskdefs/cvspass.xml
>     both modified:   src/etc/testcases/taskdefs/delete.xml
>     both modified:   src/etc/testcases/taskdefs/jar.xml
>     both modified: src/etc/testcases/taskdefs/optional/pvcs.xml
>     both modified: src/etc/testcases/taskdefs/optional/xml/endpiece-ns-no-location.xml
>     both modified: src/etc/testcases/taskdefs/optional/xml/endpiece.xml
>     both modified:   src/etc/testcases/taskdefs/typedef.xml
>     both modified:   src/tests/antunit/taskdefs/copy-test.xml
>     both modified:   src/tests/antunit/taskdefs/get-test.xml
> Manually fixed those conflicts and completed the revert.
> - Did one round of local clean build to make sure things were fine.
> - At this point, the revert was complete, but there remained one more step to merge 1.9.x
branch into master.
> - Issued "git merge 1.9.x" (where 1.9.x was the branch which included the fully reverted
> - Merge conflicts had to be resolved in the following files:
> Unmerged paths:
>   (use "git add/rm <file>..." as appropriate to mark resolution)
>     both modified:   src/etc/poms/ant-javamail/pom.xml
>     both modified:   src/etc/poms/ant-swing/pom.xml
>     both modified:   src/etc/poms/ant-testutil/pom.xml
>     both modified:   src/etc/testcases/filters/build.xml
>     both modified: src/etc/testcases/taskdefs/conditions/antversion.xml
>     both modified:   src/etc/testcases/taskdefs/delete.xml
>     both modified:   src/etc/testcases/taskdefs/java.xml
>     both modified: src/etc/testcases/taskdefs/optional/pvcs.xml
>     both modified: src/etc/testcases/taskdefs/optional/script.xml
>     both modified: src/tests/antunit/core/extension-point-test.xml
>     deleted by us:   src/tests/antunit/taskdefs/apt-test.xml
>     both modified:   src/tests/antunit/taskdefs/get-test.xml
>     both modified:   src/tests/antunit/taskdefs/javac-test.xml
>     both modified:   src/tests/antunit/taskdefs/tar-test.xml
>     both modified: src/tests/antunit/taskdefs/taskdef-antlib-test.xml
> Manually resolved the conflicts in all of those and committed the merge locally.
> - Ran one more round of local build and it went fine (no tests were executed locally).
> - Finally to make sure that I hadn't messed up these revert + merge, I did a compare
of the latest master commit (which included the revert + merge state) against the parent of
the (reverted) 2f64e0b51c295960cb15aa77c7c1f447b2518e14 commit, aad5b519563cfe3dab3034be9bd3e83c0fb508c0
using the command:
> git diff aad5b519563cfe3dab3034be9bd3e83c0fb508c0 995b518abf60dd8cd52f9e94c4186bbf78513b96
> (unlike the 1.9.x case), this command returned a diff which contained the expected set
of changes that had gone in between the trailing whitespace, force updated merge commits on
master. Reviewed this comparison diff and it looked fine and correct to me. Pushed this state
to "master" branch of upstream repo.
> At this point, these branches are in a state where they can be used for regular development
and other planned activities.
> -Jaikiran
> On 06/07/18 2:32 PM, Stefan Bodewig wrote:
>> On 2018-07-06, Jaikiran Pai wrote:
>>> On 05/07/18 2:42 PM, Stefan Bodewig wrote:
>>>> On 2018-07-05, Jaikiran Pai wrote: 
>>>>> I personally believe that reviewing these meaningless changes is a waste
of time and energy. I'm in favour of rolling back the entire commit set if that's what it
>>>> +1 although reverting the commits in both branches and merging back the 1.9.x
branch is likely going to end in an ugly merge that will need review as well. Hopefullly a
shorter one. 
>>> Yes, I agree.I plan to attempt this later tonight (around 8 hours from now) if
no one else gets to it before that. Just letting it know here, so that we don't end up duplicating
these efforts. 
>> Thank you. I'm unlikely to get there before you do, would have tackled it tomorrow.
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