$ git clone -n https://src.fedoraproject.org/rpms/rust-onig_sys.git /var/lib/mock/f40-build-2513189-61714/root/chroot_tmpdir/scmroot/rust-onig_sys
Cloning into '/var/lib/mock/f40-build-2513189-61714/root/chroot_tmpdir/scmroot/rust-onig_sys'...
$ git fetch origin c457c41c0420e74d9b1128ef476de124aa1120e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-onig_sys
 * [new ref]         c457c41c0420e74d9b1128ef476de124aa1120e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c457c41 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild