$ git clone -n https://src.fedoraproject.org/rpms/plasma-activities.git /var/lib/mock/f40-build-2542168-61878/root/chroot_tmpdir/scmroot/plasma-activities
Cloning into '/var/lib/mock/f40-build-2542168-61878/root/chroot_tmpdir/scmroot/plasma-activities'...
$ git fetch origin 826e155694984b653bf57cd3f613fa7ba9deb3e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-activities
 * [new ref]         826e155694984b653bf57cd3f613fa7ba9deb3e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 826e155 6.0.2