$ git clone -n https://src.fedoraproject.org/rpms/lua-dbi.git /var/lib/mock/f41-build-856657-167737/root/chroot_tmpdir/scmroot/lua-dbi
Cloning into '/var/lib/mock/f41-build-856657-167737/root/chroot_tmpdir/scmroot/lua-dbi'...
$ git fetch origin 14dc69f696c001a778615ce38a11e13a760eb4b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-dbi
 * [new ref]         14dc69f696c001a778615ce38a11e13a760eb4b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14dc69f Upgrade to 0.7.4 (#2317084)