$ git clone -n https://src.fedoraproject.org/rpms/lld.git /var/lib/mock/f40-build-807899-145360/root/chroot_tmpdir/scmroot/lld
Cloning into '/var/lib/mock/f40-build-807899-145360/root/chroot_tmpdir/scmroot/lld'...
$ git fetch origin a2e579e268d38bebcbb93b6db23f806088e7ddec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lld
 * [new ref]         a2e579e268d38bebcbb93b6db23f806088e7ddec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2e579e 18.1.3 Release