$ git clone -n https://src.fedoraproject.org/rpms/rust-tower.git /var/lib/mock/f40-build-2644090-66496/root/chroot_tmpdir/scmroot/rust-tower
Cloning into '/var/lib/mock/f40-build-2644090-66496/root/chroot_tmpdir/scmroot/rust-tower'...
$ git fetch origin bd08ec1c10b575c83e3f196db8e0cbaad6efa30c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tower
 * [new ref]         bd08ec1c10b575c83e3f196db8e0cbaad6efa30c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd08ec1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild