$ git clone -n https://src.fedoraproject.org/rpms/rust-approx.git /var/lib/mock/f38-build-side-43-rust-devel-1413003-31443/root/chroot_tmpdir/scmroot/rust-approx
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1413003-31443/root/chroot_tmpdir/scmroot/rust-approx'...
$ git fetch origin 3edc2ff118a490f28f6cec5f37e44e3722d50d6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-approx
 * [new ref]         3edc2ff118a490f28f6cec5f37e44e3722d50d6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3edc2ff Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild