$ git clone -n https://src.fedoraproject.org/rpms/rust-crypto-bigint.git /var/lib/mock/f40-build-2379006-60443/root/chroot_tmpdir/scmroot/rust-crypto-bigint
Cloning into '/var/lib/mock/f40-build-2379006-60443/root/chroot_tmpdir/scmroot/rust-crypto-bigint'...
$ git fetch origin 29f3b179760c05d526deef81940a1f345ab2b399:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crypto-bigint
 * [new ref]         29f3b179760c05d526deef81940a1f345ab2b399 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29f3b17 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild