$ git clone -n https://src.fedoraproject.org/rpms/plasma-integration.git /var/lib/mock/f40-build-2120388-50738/root/chroot_tmpdir/scmroot/plasma-integration
Cloning into '/var/lib/mock/f40-build-2120388-50738/root/chroot_tmpdir/scmroot/plasma-integration'...
$ git fetch origin 487776fd406caffb12cc957d638d7cbb7406ee89:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-integration
 * [new ref]         487776fd406caffb12cc957d638d7cbb7406ee89 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 487776f 5.91.0