$ git clone -n https://src.fedoraproject.org/rpms/hiera.git /var/lib/mock/f42-build-side-1-3498665-45963/root/chroot_tmpdir/scmroot/hiera
Cloning into '/var/lib/mock/f42-build-side-1-3498665-45963/root/chroot_tmpdir/scmroot/hiera'...
$ git fetch origin b1e650fcfbe22d09cc08442a4e8ebca66bf92625:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hiera
 * [new ref]         b1e650fcfbe22d09cc08442a4e8ebca66bf92625 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b1e650f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild