$ git clone -n https://src.fedoraproject.org/rpms/rust-equivalent.git /var/lib/mock/f40-build-2640947-66424/root/chroot_tmpdir/scmroot/rust-equivalent
Cloning into '/var/lib/mock/f40-build-2640947-66424/root/chroot_tmpdir/scmroot/rust-equivalent'...
$ git fetch origin 92cb40ddfc6f1b9bf62b376ad8d1d7a9670c2ce0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-equivalent
 * [new ref]         92cb40ddfc6f1b9bf62b376ad8d1d7a9670c2ce0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92cb40d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild