$ git clone -n https://src.fedoraproject.org/rpms/rust-prost-derive0.8.git /var/lib/mock/f38-build-side-43-rust-devel-1410523-31420/root/chroot_tmpdir/scmroot/rust-prost-derive0.8
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1410523-31420/root/chroot_tmpdir/scmroot/rust-prost-derive0.8'...
$ git fetch origin d246da8b56f7d086dd7cc39432590e8241e83126:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prost-derive0.8
 * [new ref]         d246da8b56f7d086dd7cc39432590e8241e83126 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d246da8 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild