threads / discuss / 47721

2.15.1 - merge with submodule output issue

Subject: 2.15.1 - merge with submodule output issue

## tl;dr

2 messages between Jan 30, 2018 and Jan 30, 2018.

replies: 1people: 2as markdown or json

FIGADERE, LAURENT· Jan 30, 2018, 15:42 UTC · lore
Dear git,
I use since few weeks now git 2.15.1.
I did few trials but please find here my outputs.

To reproduce: Use a top module git which include a submodule First step: from a work area, I changed selected version of submodule in master branch. Then git add + git commit + git push  A new commit on master branch has been published on my origin repository with the version v1.2 of submodule

Second step: in my second workarea, I created a user branch mybranch, then selected another release of submodule I added the update and then commit in mybranch.  A new commit with release v2.0 of submodule is in my last SHA1 of mybranch

Last step: in the second workarea, in mybranch, I first run ‘git fetch’ and then ‘git merge origin/master’ I got a CONFLICT message of course due to the 2 different versions of submodule. Here the message: warning: Failed to merge submodule submodule (commits don't follow merge-base) Auto-merging submodule CONFLICT (submodule): Merge conflict in submodule Automatic merge failed; fix conflicts and then commit the result.

Now I thought that the command ‘git submodule’ provided an output with both versions of modules (local and remote). But this is not the case in my environment: [15:20:10] $ git submodule status U0000000000000000000000000000000000000000 submodule

And when I run the mergetool command I have this output:
[14:54:41] $ git mergetool 
Merging: 
submodule 
Submodule merge conflict for 'submodule': 
  {local}: submodule commit 08f86f2404d9f8f616262971a3127e69f39f9d11 
  {remote}: submodule commit b3dd6fde4f02258b88ad0b2dba6474c126b499f7 
Use (l)ocal or (r)emote, or (a)bort? 

So, it means it’s not usefull to determine which version has to be selected. Is it a bug or perhaps I make something wrong?

It will be usefull if we can hav e this information during git mergetool command like with git describe .
Thanks for your help. 
-----------------------------

Laurent FIGADERE CAD Engineer GBDS RD Asic Verification +33130805361 laurent.figadere@atos.net Rue Jean Jaures BP 68 78340 Les Clayes-sous-Bois France www.Atos.net

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Stefan Beller· Jan 30, 2018, 22:02 UTC · re: FIGADERE, LAURENT · lore

Re: 2.15.1 - merge with submodule output issue

On Tue, Jan 30, 2018 at 7:42 AM, FIGADERE, LAURENT <laurent.figadere@atos.net> wrote:

Show 40 quoted lines
> Dear git,
>
> I use since few weeks now git 2.15.1.
>
> I did few trials but please find here my outputs.
>
> To reproduce:
> Use a top module git which include a submodule
> First step: from a work area, I changed selected version of submodule in master branch.
> Then git add + git commit + git push
>        A new commit on master branch has been published on my origin repository with the version v1.2 of submodule
>
> Second step: in my second workarea, I created a user branch mybranch, then selected another release of submodule
> I added the update and then commit in mybranch.
>        A new commit with release v2.0 of submodule is in my last SHA1 of mybranch
>
> Last step: in the second workarea, in mybranch, I first run ‘git fetch’ and then ‘git merge origin/master’
> I got a CONFLICT message of course due to the 2 different versions of submodule.
> Here the message:
> warning: Failed to merge submodule submodule (commits don't follow merge-base)
> Auto-merging submodule
> CONFLICT (submodule): Merge conflict in submodule
> Automatic merge failed; fix conflicts and then commit the result.
>
> Now I thought that the command ‘git submodule’ provided an output with both versions of modules (local and remote).
> But this is not the case in my environment:
> [15:20:10] $ git submodule status
> U0000000000000000000000000000000000000000 submodule
>
> And when I run the mergetool command I have this output:
> [14:54:41] $ git mergetool
> Merging:
> submodule
> Submodule merge conflict for 'submodule':
>   {local}: submodule commit 08f86f2404d9f8f616262971a3127e69f39f9d11
>   {remote}: submodule commit b3dd6fde4f02258b88ad0b2dba6474c126b499f7
> Use (l)ocal or (r)emote, or (a)bort?
>
> So, it means it’s not usefull to determine which version has to be selected.
> Is it a bug or perhaps I make something wrong?
It's not a bug, but the real feature has not been implemented yet.

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