$ git clone -n https://src.fedoraproject.org/rpms/freeopcua.git /var/lib/mock/f45-build-47363-867/root/chroot_tmpdir/scmroot/freeopcua
Cloning into '/var/lib/mock/f45-build-47363-867/root/chroot_tmpdir/scmroot/freeopcua'...
$ git fetch origin b7180919d5649a074e13851da10304bb2e8da541:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/freeopcua
 * [new ref]         b7180919d5649a074e13851da10304bb2e8da541 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b718091 Add patch to fix required cmake version (fixes rhbz#2380605)