$ git clone -n https://src.fedoraproject.org/rpms/plasma-mobile.git /var/lib/mock/f41-build-855149-167066/root/chroot_tmpdir/scmroot/plasma-mobile
Cloning into '/var/lib/mock/f41-build-855149-167066/root/chroot_tmpdir/scmroot/plasma-mobile'...
$ git fetch origin af141fe1055f71d511d18780d641eb995f3667f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-mobile
 * [new ref]         af141fe1055f71d511d18780d641eb995f3667f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af141fe Migrate to SPDX license