> On 17.10.2022 23:44, Uwe Brauer wrote:

> Thanks for testing, please try again with the latest master, I pushed
> a fix in 5e77265523.

> Or maybe try with 7bf17ceee8c2d, with patches 4a6ad6e18f and
> 5e77265523 on top of it.

Thanks, your latest commit  works with commit 7bf17ceee8c2d.

Some benchmarks.

I cloned emacs master with hg 

|     | repo size (GB) |
| Git |            1.4 |
| HG  |            1.8 |

I am using for this experiment master 0954689cb

Steps:

    - hg src/xfns.c    -r b9aff5fdb89092b68 (git reset (not sure hard or soft)

    - hg src/xterm.c    -r b9aff5fdb89092b68

    - vc-dir (mark the two files)

    - vc-diff

    - delete hunks

    - run vc-next-action: time: 36 sec on my X1 Thinkpad 2017

    - do the same but run commit-patch-buffer using the perl script
      commit-patch
      time: 26 sec 

Conclusion, for most practical purpose the lisp implementation is
enough. I just considered an extreme case.

Thanks and regards



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