Re: Triggering "BUG: wt-status.c:476: multiple renames on the same target? how?"

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On Wed, Sep 26 2018, Andrea Stacchiotti wrote:

> Dear maintainer(s),
>
> the following script, when executed with git 2.19 triggers the bug in
> the subject line.
> The problem seems to be the interaction between add -N and rename detection.
>
> The git binary used is the one currently packaged in Debian unstable.
>
> I have searched the list for the bug text and have found nothing,
> apologies if the bug is already known.
>
> System information, script content and script output follow.
>
> Andrea Stacchiotti
>
> --------------------------
>
> andreas@trelitri:/tmp$ uname -a
> Linux trelitri 4.17.0-3-amd64 #1 SMP Debian 4.17.17-1 (2018-08-18)
> x86_64 GNU/Linux
> andreas@trelitri:/tmp$ git --version
> git version 2.19.0
>
> andreas@trelitri:/tmp$ cat bugscript.sh
> # Make a test repo
> git init testrepo
> cd testrepo
> git config user.name A
> git config user.email B
>
> # Add a file called orig
> echo 'a' > orig
> git add orig
> git commit -m'orig'
>
> # Copy orig in new and modify orig
> cp orig new
> echo 'b' > orig
>
> # add -N and then commit trigger the bug
> git add -N new
> git commit
>
> # Cleanup
> cd ..
> rm -rf testrepo
>
> andreas@trelitri:/tmp$ LANG=C ./bugscript.sh
> Initialized empty Git repository in /tmp/testrepo/.git/
> [master (root-commit) 5dedf30] orig
>  1 file changed, 0 insertions(+), 0 deletions(-)
>  create mode 100644 orig
> BUG: wt-status.c:476: multiple renames on the same target? how?
> ./bugscript.sh: line 18: 22762 Aborted                 git commit

I can't reproduce this on Debian AMD64 either 2.19.0 in unstable, or
2.19.0.605.g01d371f741 in experimental. I tried moving my ~/.gitconfig
out of the way, do you have some config options there that might be
contributing to this?



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