erbium: switch to using crate2nix from upstream

nix/pkgs/erbium/crate2nixify.nix

@@ -1,44 +0,0 @@
-{ depot, pkgs, lib, ... }:
-{ name, src, crateName ? "", depsHash, crate2nixArgs ? {} }:
-let
-  inherit (depot.third_party) crate2nix;
-  keepFiles = [ ./Cargo.toml ./Cargo.lock ];
-  deps = pkgs.stdenv.mkDerivation {
-    inherit src;
-    name = "${name}-deps";
-
-    buildInputs = [ crate2nix ];
-
-    buildPhase = ''
-      mkdir /tmp/cargo
-      export CARGO_HOME=/tmp/cargo
-
-      mkdir /tmp/gen
-      cp -R $src/* /tmp/gen
-
-      cd /tmp/gen
-      ${crate2nix}/bin/crate2nix generate
-
-      mkdir $out
-      cp /tmp/gen/Cargo.nix $out/Cargo.nix
-      cat >$out/default.nix <<EOF
-      { nixpkgs ? import <nixpkgs> {} }:
-      let cargo_nix = nixpkgs.callPackage ./Cargo.nix { inherit nixpkgs; };
-      in cargo_nix.${if crateName == "" then "rootCrate" else "workspaceMembers.${crateName}"}.build
-      EOF
-    '';
-
-    installPhase = "true";
-
-    outputHash = depsHash;
-    outputHashMode = "recursive";
-  };
-  merged = pkgs.runCommand "${name}-merged" {
-    inherit src deps;
-  } ''
-    mkdir $out
-    cp -R $src/* $out/
-    cp $deps/default.nix $deps/Cargo.nix $out/
-  '';
-in
-import merged ({ nixpkgs = pkgs; } // crate2nixArgs)

nix/pkgs/erbium/default.nix

@@ -1,14 +1,10 @@
 { depot, pkgs, lib, ... }@args:
 let
-  crate2nixify = import ./crate2nixify.nix args;
-in
-crate2nixify {
-  name = "erbium";
   src = pkgs.fetchFromGitHub {
     owner = "isomer";
     repo = "erbium";
-    rev = "39465a183454005ca96cdf7fad8638dba192f9a2";
+    rev = "aff026d4f83ff055c704508d9a146ab12c901535";
-    hash = "sha256:10770s5bm0b0kl2q2irx78s0j5h00a8xyk1dqp9dj03vk4jbhs7q";
+    hash = "sha256:1gn41dy8s0c8bq2dckrilf7dlc54hhq14n51nhf1rfhqrbzily3w";
   };
-  depsHash = "sha256:0a5bcp2jvayavia7kk8di8kdx0bdbc25p67nskypqynwgyz5ckva"; 
+in
-}
+import src