$ git clone -n https://src.fedoraproject.org/rpms/polkit-kde.git /var/lib/mock/f38-build-side-42-init-devel-582532-26075/root/chroot_tmpdir/scmroot/polkit-kde
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-582532-26075/root/chroot_tmpdir/scmroot/polkit-kde'...
$ git fetch origin 4d4b94b32bf99d4b2bf4cbe42216c23fb0c678ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polkit-kde
 * [new ref]         4d4b94b32bf99d4b2bf4cbe42216c23fb0c678ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d4b94b 5.27.4