# git mergetool: create temporary files in different sub-folders but with same filenames

2 messages from 2015-06-02 to 2015-06-02. Participants: Andre Bossert, Stefan Beller.
Thread: https://gitlist.dev/t/39502

## Andre Bossert, 2015-06-02 18:48

Subject: git mergetool: create temporary files in different sub-folders but with same filenames
Message-ID: <556DFA79.9020904@anbos.de>
URL: https://gitlist.dev/e/556DFA79.9020904%40anbos.de

```
Hello,

we are moving from ClearCase to Git (MSYS 1.9.5 at Win7x64) and trying 
to configure one special merge tool "DiffMerge" for IBM Rhapsody files. 
So we've added our merge tool (script) to gitconfig. The merge script 
calls the DiffMerge for some file-extensions (sbs, rpy etc.). It works 
in general, but the different file names passed to DiffMerge (e.g. 
<base-name>.LOCAL.xyz.<ext>, <base-name>.REMOTE.xyz.<ext>) are shown as 
conflict  --> user have to solve it manually.

I've found the new feature (mergetool.writeToTemp = true) in 
"https://github.com/git/git/blob/master/git-mergetool.sh 
<https://github.com/git/git/blob/master/git-mergetool.sh>" that creates 
one temporary folder for all four files with different names. I've added 
some handling for sub-folders.

Instead of:
     BACKUP="./$MERGED.BACKUP.$ext"
     LOCAL="./$MERGED.LOCAL.$ext"
     REMOTE="./$MERGED.REMOTE.$ext"
     BASE="./$MERGED.BASE.$ext"

i've added this definitions (and some other handling for creation etc.)
...
     TEMP_BACKUP="$MERGETOOL_TMPDIR/BACKUP"
     TEMP_LOCAL="$MERGETOOL_TMPDIR/LOCAL"
     TEMP_REMOTE="$MERGETOOL_TMPDIR/REMOTE"
     TEMP_BASE="$MERGETOOL_TMPDIR/BASE"

     BACKUP="$TEMP_BACKUP/${BASE}$ext"
     LOCAL="$TEMP_LOCAL/${BASE}$ext"
     REMOTE="$TEMP_REMOTE/${BASE}$ext"
     BASE="$TEMP_BASE/${BASE}$ext"
...

I've tested the script with normal merge-workflows and it worked. May i 
request a review and integration in Git?

-- 
Regards
Andre (anb0s)
eMail: anb0s@anbos.de <mailto:anb0s@anbos.de>

```

## Stefan Beller, 2015-06-02 18:57

Subject: Re: git mergetool: create temporary files in different sub-folders but with same filenames
Message-ID: <CAGZ79kbiOe1Krs1Kxb_eKLF9gn830sSVArMp8oXcnHRPQngkvQ@mail.gmail.com>
URL: https://gitlist.dev/e/CAGZ79kbiOe1Krs1Kxb_eKLF9gn830sSVArMp8oXcnHRPQngkvQ%40mail.gmail.com
In-Reply-To: <556DFA79.9020904@anbos.de>

```
On Tue, Jun 2, 2015 at 11:48 AM, Andre Bossert <anb0s@anbos.de> wrote:
> Hello,
>
> we are moving from ClearCase to Git (MSYS 1.9.5 at Win7x64) and trying to
> configure one special merge tool "DiffMerge" for IBM Rhapsody files. So
> we've added our merge tool (script) to gitconfig. The merge script calls the
> DiffMerge for some file-extensions (sbs, rpy etc.). It works in general, but
> the different file names passed to DiffMerge (e.g.
> <base-name>.LOCAL.xyz.<ext>, <base-name>.REMOTE.xyz.<ext>) are shown as
> conflict  --> user have to solve it manually.
>
> I've found the new feature (mergetool.writeToTemp = true) in
> "https://github.com/git/git/blob/master/git-mergetool.sh
> <https://github.com/git/git/blob/master/git-mergetool.sh>" that creates one
> temporary folder for all four files with different names. I've added some
> handling for sub-folders.
>
> Instead of:
>     BACKUP="./$MERGED.BACKUP.$ext"
>     LOCAL="./$MERGED.LOCAL.$ext"
>     REMOTE="./$MERGED.REMOTE.$ext"
>     BASE="./$MERGED.BASE.$ext"
>
> i've added this definitions (and some other handling for creation etc.)
> ...
>     TEMP_BACKUP="$MERGETOOL_TMPDIR/BACKUP"
>     TEMP_LOCAL="$MERGETOOL_TMPDIR/LOCAL"
>     TEMP_REMOTE="$MERGETOOL_TMPDIR/REMOTE"
>     TEMP_BASE="$MERGETOOL_TMPDIR/BASE"
>
>     BACKUP="$TEMP_BACKUP/${BASE}$ext"
>     LOCAL="$TEMP_LOCAL/${BASE}$ext"
>     REMOTE="$TEMP_REMOTE/${BASE}$ext"
>     BASE="$TEMP_BASE/${BASE}$ext"
> ...
>
> I've tested the script with normal merge-workflows and it worked. May i
> request a review and integration in Git?

https://github.com/git/git/blob/master/Documentation/SubmittingPatches
explains how to get your change into Git.

So essentially you'd not write an email as this in prose, but rather as a patch.
So you'd make the change as above in your copy of git.git and commit it,
then format it with git format-patch and then send the result to this list. :)

>
> --
> Regards
> Andre (anb0s)
> eMail: anb0s@anbos.de <mailto:anb0s@anbos.de>
> --
> To unsubscribe from this list: send the line "unsubscribe git" in
> the body of a message to majordomo@vger.kernel.org
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```