$ git clone -n https://src.fedoraproject.org/rpms/rust-crypto-hash.git /var/lib/mock/f38-build-side-43-rust-devel-1410863-31423/root/chroot_tmpdir/scmroot/rust-crypto-hash
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1410863-31423/root/chroot_tmpdir/scmroot/rust-crypto-hash'...
$ git fetch origin 50f9a620afe7b9d3a16c0bd8bf5e6b609c108eb8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crypto-hash
 * [new ref]         50f9a620afe7b9d3a16c0bd8bf5e6b609c108eb8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50f9a62 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild