$ git clone -n https://src.fedoraproject.org/rpms/vboot-utils.git /var/lib/mock/f39-build-2447010-61041/root/chroot_tmpdir/scmroot/vboot-utils
Cloning into '/var/lib/mock/f39-build-2447010-61041/root/chroot_tmpdir/scmroot/vboot-utils'...
$ git fetch origin b175995c9dea127af1d1edb6dc2af57e57483a3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vboot-utils
 * [new ref]         b175995c9dea127af1d1edb6dc2af57e57483a3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b175995 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild