1password: Fix darwin build

pkgs/applications/misc/1password/default.nix

@@ -3,32 +3,45 @@
 stdenv.mkDerivation rec {
   name = "1password-${version}";
   version = "0.4";
-  src = if stdenv.system == "i686-linux" then fetchzip {
-    url = "https://cache.agilebits.com/dist/1P/op/pkg/v${version}/op_linux_386_v${version}.zip";
-    sha256 = "0mhlqvd3az50gnfil0xlq10855v3bg7yb05j6ndg4h2c551jrq41";
-    stripRoot = false;
-  } else fetchzip {
-    url = "https://cache.agilebits.com/dist/1P/op/pkg/v${version}/op_linux_amd64_v${version}.zip";
-    sha256 = "15cv8xi4slid9jicdmc5xx2r9ag63wcx1mn7hcgzxbxbhyrvwhyf";
-    stripRoot = false;
-  };
+  src =
+    if stdenv.system == "i686-linux" then
+      fetchzip {
+        url = "https://cache.agilebits.com/dist/1P/op/pkg/v${version}/op_linux_386_v${version}.zip";
+        sha256 = "0mhlqvd3az50gnfil0xlq10855v3bg7yb05j6ndg4h2c551jrq41";
+        stripRoot = false;
+      }
+    else if stdenv.system == "x86_64-linux" then
+      fetchzip {
+        url = "https://cache.agilebits.com/dist/1P/op/pkg/v${version}/op_linux_amd64_v${version}.zip";
+        sha256 = "15cv8xi4slid9jicdmc5xx2r9ag63wcx1mn7hcgzxbxbhyrvwhyf";
+        stripRoot = false;
+      }
+    else if stdenv.system == "x86_64-darwin" then
+      fetchzip {
+        url = "https://cache.agilebits.com/dist/1P/op/pkg/v0.4/op_darwin_amd64_v${version}.zip";
+        sha256 = "0yzr9m91k3lhl8am3dfzh4ql2zxsa66nw43h17ny61wraiz315cr";
+        stripRoot = false;
+      }
+    else throw "Architecture not supported";
 
   nativeBuildInputs = [ makeWrapper ];
   installPhase = ''
-    mkdir -p $out/bin
-    install -D op $out/share/1password/op
-
-    # https://github.com/NixOS/patchelf/issues/66#issuecomment-267743051
-    makeWrapper $(cat $NIX_CC/nix-support/dynamic-linker) $out/bin/op \
-      --argv0 op \
-      --add-flags $out/share/1password/op
+    install -D op $out/bin/op
+  '';
+  postFixup = stdenv.lib.optionalString stdenv.isLinux ''
+    patchelf \
+      --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+      $out/bin/op
   '';
 
   meta = with stdenv.lib; {
     description = "1Password command-line tool";
-    homepage    = "https://blog.agilebits.com/2017/09/06/announcing-the-1password-command-line-tool-public-beta/";
+    homepage    = [
+      "https://blog.agilebits.com/2017/09/06/announcing-the-1password-command-line-tool-public-beta/"
+      "https://app-updates.agilebits.com/product_history/CLI"
+    ];
     maintainers = with maintainers; [ joelburget ];
     license     = licenses.unfree;
-    platforms   = [ "i686-linux" "x86_64-linux" ];
+    platforms   = [ "i686-linux" "x86_64-linux" "x86_64-darwin" ];
   };
 }