$ git clone -n https://src.fedoraproject.org/rpms/rust-numtoa.git /var/lib/mock/f40-build-2653371-66900/root/chroot_tmpdir/scmroot/rust-numtoa
Cloning into '/var/lib/mock/f40-build-2653371-66900/root/chroot_tmpdir/scmroot/rust-numtoa'...
$ git fetch origin fdcb67d6527ee96d11b31eae418978cdcf18b980:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-numtoa
 * [new ref]         fdcb67d6527ee96d11b31eae418978cdcf18b980 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fdcb67d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild