final: prev:
prev.attic-client.overrideAttrs (oldAttrs: {
  patches = oldAttrs.patches or [ ] ++ [
    # fix: log non-errors to stdout
    (builtins.fetchurl {
      url = "https://github.com/zhaofengli/attic/pull/280.patch";
      sha256 = "sha256:0j6ay6d9is7053sq5njakjmlpwk24db296rma694jggpl19ibxjv";
    })
    ./declarative-key-pair.patch
  ];
})