$ git clone -n https://src.fedoraproject.org/rpms/rust-crunchy.git /var/lib/mock/f40-build-2711761-71885/root/chroot_tmpdir/scmroot/rust-crunchy
Cloning into '/var/lib/mock/f40-build-2711761-71885/root/chroot_tmpdir/scmroot/rust-crunchy'...
$ git fetch origin ab2710e177d8536b8c369363e98618c0e398ad4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crunchy
 * [new ref]         ab2710e177d8536b8c369363e98618c0e398ad4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab2710e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild