$ git clone -n https://src.fedoraproject.org/rpms/booth.git /var/lib/mock/f38-build-side-42-init-devel-726156-27324/root/chroot_tmpdir/scmroot/booth
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-726156-27324/root/chroot_tmpdir/scmroot/booth'...
$ git fetch origin 60703dfc8c8c0aa802096dece5d9bdc695d1ab8a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/booth
 * [new ref]         60703dfc8c8c0aa802096dece5d9bdc695d1ab8a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 60703df Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild