$ git clone -n https://src.fedoraproject.org/rpms/layer-shell-qt.git /var/lib/mock/f40-build-803158-144194/root/chroot_tmpdir/scmroot/layer-shell-qt
Cloning into '/var/lib/mock/f40-build-803158-144194/root/chroot_tmpdir/scmroot/layer-shell-qt'...
$ git fetch origin ffdc8f01e0ebd2c51841ddbfba80d464b558ae57:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/layer-shell-qt
 * [new ref]         ffdc8f01e0ebd2c51841ddbfba80d464b558ae57 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ffdc8f0 6.0.3