$ git clone -n https://src.fedoraproject.org/rpms/plasma-systemmonitor.git /var/lib/mock/f38-build-side-42-init-devel-789368-27979/root/chroot_tmpdir/scmroot/plasma-systemmonitor
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-789368-27979/root/chroot_tmpdir/scmroot/plasma-systemmonitor'...
$ git fetch origin d04fc3465c6824d61aa2ec590266a65961b0f75e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-systemmonitor
 * [new ref]         d04fc3465c6824d61aa2ec590266a65961b0f75e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d04fc34 5.27.4