$ git clone -n https://src.fedoraproject.org/rpms/kf6-kparts.git /var/lib/mock/f40-build-2296588-56400/root/chroot_tmpdir/scmroot/kf6-kparts
Cloning into '/var/lib/mock/f40-build-2296588-56400/root/chroot_tmpdir/scmroot/kf6-kparts'...
$ git fetch origin f6279f6141664a14b1ce0adc72a14dd656e2014a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kparts
 * [new ref]         f6279f6141664a14b1ce0adc72a14dd656e2014a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6279f6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild