$ git clone -n https://src.fedoraproject.org/rpms/kf5-kcompletion.git /var/lib/mock/f40-build-2292536-56143/root/chroot_tmpdir/scmroot/kf5-kcompletion
Cloning into '/var/lib/mock/f40-build-2292536-56143/root/chroot_tmpdir/scmroot/kf5-kcompletion'...
$ git fetch origin dd3ca5e1188e651456112be90efa63bb995f3d37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kcompletion
 * [new ref]         dd3ca5e1188e651456112be90efa63bb995f3d37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd3ca5e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild