$ git clone -n https://src.fedoraproject.org/rpms/lua-sec.git /var/lib/mock/f40-build-2009608-45498/root/chroot_tmpdir/scmroot/lua-sec
Cloning into '/var/lib/mock/f40-build-2009608-45498/root/chroot_tmpdir/scmroot/lua-sec'...
$ git fetch origin ac582d13612e4a3737efec33fa355c176e6c9a09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-sec
 * [new ref]         ac582d13612e4a3737efec33fa355c176e6c9a09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac582d1 Upgrade to 1.3.2 (#2236628)