$ git clone -n https://src.fedoraproject.org/rpms/rust-ptr_meta.git /var/lib/mock/f38-build-side-43-rust-devel-1412769-31443/root/chroot_tmpdir/scmroot/rust-ptr_meta
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1412769-31443/root/chroot_tmpdir/scmroot/rust-ptr_meta'...
$ git fetch origin 3cd30fb87051d3080b4170d877f5865ebc5238f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ptr_meta
 * [new ref]         3cd30fb87051d3080b4170d877f5865ebc5238f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cd30fb Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild