$ git clone -n https://src.fedoraproject.org/rpms/plasma-mobile.git /var/lib/mock/f40-build-793467-138985/root/chroot_tmpdir/scmroot/plasma-mobile
Cloning into '/var/lib/mock/f40-build-793467-138985/root/chroot_tmpdir/scmroot/plasma-mobile'...
$ git fetch origin e5c527691b69c8cb74705183552e31b4c26b095f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-mobile
 * [new ref]         e5c527691b69c8cb74705183552e31b4c26b095f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5c5276 6.0.2