$ git clone -n https://src.fedoraproject.org/rpms/layer-shell-qt.git /var/lib/mock/f42-build-862444-170808/root/chroot_tmpdir/scmroot/layer-shell-qt
Cloning into '/var/lib/mock/f42-build-862444-170808/root/chroot_tmpdir/scmroot/layer-shell-qt'...
$ git reset --hard fa4d071b9f3a966243665f48e660aac041ebec43
HEAD is now at fa4d071 6.2.4