$ git clone -n https://src.fedoraproject.org/rpms/kwebkitpart.git /var/lib/mock/f40-build-791513-137599/root/chroot_tmpdir/scmroot/kwebkitpart
Cloning into '/var/lib/mock/f40-build-791513-137599/root/chroot_tmpdir/scmroot/kwebkitpart'...
$ git fetch origin cc815b0731fbf7987bbd38680f2b7d872cfab55d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwebkitpart
 * [new ref]         cc815b0731fbf7987bbd38680f2b7d872cfab55d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc815b0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild