$ git clone -n https://src.fedoraproject.org/rpms/plasma-firewall.git /var/lib/mock/f39-build-1503622-34979/root/chroot_tmpdir/scmroot/plasma-firewall
Cloning into '/var/lib/mock/f39-build-1503622-34979/root/chroot_tmpdir/scmroot/plasma-firewall'...
$ git fetch origin 46cc87b068cd830c2435bd2cc97bda999957c726:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-firewall
 * [new ref]         46cc87b068cd830c2435bd2cc97bda999957c726 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46cc87b Update to 5.27.8