$ git clone -n https://src.fedoraproject.org/rpms/rust-quantiles.git /var/lib/mock/f38-build-side-43-rust-devel-1412778-31443/root/chroot_tmpdir/scmroot/rust-quantiles
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1412778-31443/root/chroot_tmpdir/scmroot/rust-quantiles'...
$ git fetch origin c2bcfc35a2f4e54ff5b40ecd44a3f39667039f2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quantiles
 * [new ref]         c2bcfc35a2f4e54ff5b40ecd44a3f39667039f2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2bcfc3 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild