$ git clone -n https://src.fedoraproject.org/rpms/blt.git /var/lib/mock/f41-build-848921-164618/root/chroot_tmpdir/scmroot/blt
Cloning into '/var/lib/mock/f41-build-848921-164618/root/chroot_tmpdir/scmroot/blt'...
$ git fetch origin e043d0f08fb0bb8656468d4b5968131d893b00d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/blt
 * [new ref]         e043d0f08fb0bb8656468d4b5968131d893b00d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e043d0f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild