$ git clone -n https://src.fedoraproject.org/rpms/plasma-pk-updates.git /var/lib/mock/f39-build-1503626-34979/root/chroot_tmpdir/scmroot/plasma-pk-updates
Cloning into '/var/lib/mock/f39-build-1503626-34979/root/chroot_tmpdir/scmroot/plasma-pk-updates'...
$ git fetch origin f72aa5f0c3230680da00f561331ce4e443c21e0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-pk-updates
 * [new ref]         f72aa5f0c3230680da00f561331ce4e443c21e0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f72aa5f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild