$ git clone -n https://src.fedoraproject.org/rpms/archlinux-keyring.git /var/lib/mock/f40-build-2208654-52141/root/chroot_tmpdir/scmroot/archlinux-keyring
Cloning into '/var/lib/mock/f40-build-2208654-52141/root/chroot_tmpdir/scmroot/archlinux-keyring'...
$ git fetch origin cefddda0dcfe5990a4d204bf29a6839d93c256f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/archlinux-keyring
 * [new ref]         cefddda0dcfe5990a4d204bf29a6839d93c256f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cefddda Version 20231222