$ git clone -n https://src.fedoraproject.org/rpms/workflow.git /var/lib/mock/f39-build-1883359-42769/root/chroot_tmpdir/scmroot/workflow
Cloning into '/var/lib/mock/f39-build-1883359-42769/root/chroot_tmpdir/scmroot/workflow'...
$ git fetch origin 002bdc475b4785bee585a32f4dfef3a98270ff23:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/workflow
 * [new ref]         002bdc475b4785bee585a32f4dfef3a98270ff23 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 002bdc4 Update to v0.11.1