$ git clone -n https://src.fedoraproject.org/rpms/rust-directories.git /var/lib/mock/f40-build-2324706-58784/root/chroot_tmpdir/scmroot/rust-directories
Cloning into '/var/lib/mock/f40-build-2324706-58784/root/chroot_tmpdir/scmroot/rust-directories'...
$ git fetch origin e479966ee5dc8b5ff66cd6f383001f2da8c1e632:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-directories
 * [new ref]         e479966ee5dc8b5ff66cd6f383001f2da8c1e632 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e479966 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild