$ git clone -n https://src.fedoraproject.org/rpms/buku.git /var/lib/mock/f40-build-2274901-55039/root/chroot_tmpdir/scmroot/buku
Cloning into '/var/lib/mock/f40-build-2274901-55039/root/chroot_tmpdir/scmroot/buku'...
$ git fetch origin 3e7f2c8d8ea48859860d29590faba07b2071f1e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/buku
 * [new ref]         3e7f2c8d8ea48859860d29590faba07b2071f1e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e7f2c8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild