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Re: Regression in git-subtree.sh, introduced in 2.20.1, after 315a84f9aa0e2e629b0680068646b0032518ebed

On Mon, Dec 31, 2018 at 5:44 PM Marc Balmer <marc@xxxxxxx> wrote:
> Hi
> One of the last three commits in git-subtree.sh introduced a regression leading to a segfault.
> Here is the error message when I try to split out my i18n files:
> $ git subtree split --prefix=i18n
> cache for e39a2a0c6431773a5d831eb3cb7f1cd40d0da623 already exists!
>    (Lots of output omitted)
> 436/627 (1819) [1455]       <- Stays at 436/ while the numbers in () and [] increase, then segfaults:
> /usr/libexec/git-core/git-subtree: line 751: 54693 Done                    eval "$grl"
>     54694 Segmentation fault      (core dumped) | while read rev parents; do

Do you still have this core dump? Could you run it and see if it's
"git" that crashed (and where) or "sh"?

>    process_split_commit "$rev" "$parents" 0;
> done
> Please note that this regression can not easily be reproduced, normally a subtree split just works.
> Reverting the last three commits "fixes" the issue.  So I kindly ask the last three commits to be reverted.

Please provide the SHA-1 of the "good" commit you tested.