/usr/src Git --count (count of commits to the branch)

[Herbert J. Skuhra]

On Mon, 05 Apr 2021 21:00:47 +0200, Graham Perrin wrote:
> 
> Why is the count so different?
> 
> The count today: 257732; and the result of today's build: n245827
> 
> % bectl list -c creation
> BE                    Active Mountpoint Space Created
> r357746-Waterfox      -      -          59.2G 2020-03-10 18:24
> n2733-5ac839029d-f    -      -          12.5G 2021-03-04 09:17
> n257337-5fe0cd6503d-e -      -          1.55G 2021-03-23 07:56
> n257551-66f138563be-a -      -          129M  2021-03-25 09:35
> n257551-66f138563be-b -      -          882M  2021-03-26 19:27
> n257551-66f138563be-c -      -          95.4M 2021-03-31 16:26
> n257732-361e9501800-a NR     /          127G  2021-04-05 18:48
> % uname -v
> FreeBSD 14.0-CURRENT #91 main-n245827-361e9501800: Mon Apr  5 17:59:57
> BST 2021
> root at mowa219-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG
> % git -C /usr/src rev-list --count HEAD
> 257732

/usr/src/sys/conf/newvers.sh uses a different command:

  git_cnt=$($git_cmd rev-list --first-parent --count HEAD 2>/dev/null)
                              ^^^^^^^^^^^^^^
See:

commit 8a51f14a7833fd14e1f125e63a0af9d260dcd287
Author: Warner Losh
Date:   Mon Jan 25 12:53:31 2021 -0700

--
Herbert