$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdesignerplugin.git /var/lib/mock/f39-build-1583391-38127/root/chroot_tmpdir/scmroot/kf5-kdesignerplugin
Cloning into '/var/lib/mock/f39-build-1583391-38127/root/chroot_tmpdir/scmroot/kf5-kdesignerplugin'...
$ git fetch origin b8686247d8b9de377b9e91ceee2c789213c5410b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdesignerplugin
 * [new ref]         b8686247d8b9de377b9e91ceee2c789213c5410b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b868624 5.111.0