$ git clone -n https://src.fedoraproject.org/rpms/fedrq.git /var/lib/mock/f39-build-1708981-41223/root/chroot_tmpdir/scmroot/fedrq
Cloning into '/var/lib/mock/f39-build-1708981-41223/root/chroot_tmpdir/scmroot/fedrq'...
$ git fetch origin 6c2d3fa4d43541778cf915dcfc1bfad6d6144011:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fedrq
 * [new ref]         6c2d3fa4d43541778cf915dcfc1bfad6d6144011 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c2d3fa Update to 0.11.0.