$ git clone -n https://src.fedoraproject.org/rpms/rust-block-padding.git /var/lib/mock/f40-build-2654987-66908/root/chroot_tmpdir/scmroot/rust-block-padding
Cloning into '/var/lib/mock/f40-build-2654987-66908/root/chroot_tmpdir/scmroot/rust-block-padding'...
$ git fetch origin d9f608f517af816e9abd5ffec779ce49c6f46224:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-block-padding
 * [new ref]         d9f608f517af816e9abd5ffec779ce49c6f46224 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9f608f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild