1 files changed, 91 insertions, 0 deletions
diff --git a/pkgs/development/tools/pnpm/fetch-deps/default.nix b/pkgs/development/tools/pnpm/fetch-deps/default.nix
new file mode 100644
index 0000000000000..83972abf8b08a
--- /dev/null
+++ b/pkgs/development/tools/pnpm/fetch-deps/default.nix
@@ -0,0 +1,91 @@
+{
+  stdenvNoCC,
+  fetchurl,
+  callPackage,
+  jq,
+  moreutils,
+  cacert,
+  makeSetupHook,
+  pnpm,
+}:
+{
+  fetchDeps =
+    {
+      src,
+      hash ? "",
+      pname,
+      ...
+    }@args:
+    let
+      args' = builtins.removeAttrs args [
+        "hash"
+        "pname"
+      ];
+      hash' =
+        if hash != "" then
+          { outputHash = hash; }
+        else
+          {
+            outputHash = "";
+            outputHashAlgo = "sha256";
+          };
+    in
+    stdenvNoCC.mkDerivation (finalAttrs: (
+      args'
+      // {
+        name = "${pname}-pnpm-deps";
+
+        nativeBuildInputs = [
+          jq
+          moreutils
+          pnpm
+          cacert
+        ];
+
+        installPhase = ''
+          runHook preInstall
+
+          export HOME=$(mktemp -d)
+          pnpm config set store-dir $out
+          # Some packages produce platform dependent outputs. We do not want to cache those in the global store
+          pnpm config set side-effects-cache false
+          # As we pin pnpm versions, we don't really care about updates
+          pnpm config set update-notifier false
+          # pnpm is going to warn us about using --force
+          # --force allows us to fetch all dependencies including ones that aren't meant for our host platform
+          pnpm install --frozen-lockfile --ignore-script --force
+
+          runHook postInstall
+        '';
+
+        fixupPhase = ''
+          runHook preFixup
+
+          # Remove timestamp and sort the json files
+          rm -rf $out/v3/tmp
+          for f in $(find $out -name "*.json"); do
+            jq --sort-keys "del(.. | .checkedAt?)" $f | sponge $f
+          done
+
+          runHook postFixup
+        '';
+
+        passthru = {
+          serve = callPackage ./serve.nix {
+            inherit pnpm;
+            pnpmDeps = finalAttrs.finalPackage;
+          };
+        };
+
+        dontConfigure = true;
+        dontBuild = true;
+        outputHashMode = "recursive";
+      }
+      // hash'
+    ));
+
+  configHook = makeSetupHook {
+    name = "pnpm-config-hook";
+    propagatedBuildInputs = [ pnpm ];
+  } ./pnpm-config-hook.sh;
+}