From 479ea46b3c0d5a4f5e25f428901eff295fcad4ed Mon Sep 17 00:00:00 2001
From: Anish Lakhwara <anish+git@lakhwara.com>
Date: Mon, 18 Mar 2024 18:08:46 -0700
Subject: [PATCH] testing out fetchPnpmDeps nix libs

---
 flake.nix                                     |  1 +
 .../node/fetch-pnpm-deps/default.nix          | 73 +++++++++++++++++++
 .../node/fetch-pnpm-deps/pnpm-config-hook.sh  | 36 +++++++++
 pkgs/by-name/atomic-browser/package.nix       | 15 +++-
 pkgs/by-name/default.nix                      |  4 +-
 5 files changed, 125 insertions(+), 4 deletions(-)
 create mode 100644 pkgs/build-support/node/fetch-pnpm-deps/default.nix
 create mode 100644 pkgs/build-support/node/fetch-pnpm-deps/pnpm-config-hook.sh

diff --git a/flake.nix b/flake.nix
index 5d93396f..832bfb9b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -77,6 +77,7 @@
         inherit (pkgs) lib;
         inherit (pkgs) mkPnpmPackage;
         inherit callPackage dream2nix pkgs;
+        inherit (callPackage ./pkgs/build-support/node/fetch-pnpm-deps { }) fetchPnpmDeps pnpmConfigHook;
       };
 
       explicitPkgs = import ./pkgs {
diff --git a/pkgs/build-support/node/fetch-pnpm-deps/default.nix b/pkgs/build-support/node/fetch-pnpm-deps/default.nix
new file mode 100644
index 00000000..dc2de38f
--- /dev/null
+++ b/pkgs/build-support/node/fetch-pnpm-deps/default.nix
@@ -0,0 +1,73 @@
+{ lib
+, stdenvNoCC
+, nodePackages
+, jq
+, moreutils
+, cacert
+, makeSetupHook
+}: {
+  fetchPnpmDeps =
+    { src
+    , hash ? ""
+    , pname
+    , pnpm ? nodePackages.pnpm
+    , ...
+    } @ args:
+    let
+      args' = builtins.removeAttrs args [ "hash" "pname" "pnpm" "supportedArchitectures" ];
+      hash' =
+        if hash != "" then {
+          outputHash = hash;
+        } else {
+          outputHash = "";
+          outputHashAlgo = "sha256";
+        };
+    in
+    # NOTE: This requires pnpm 8.10.0 or newer
+      # https://github.com/pnpm/pnpm/pull/7214
+    assert lib.versionAtLeast pnpm.version "8.10.0";
+    stdenvNoCC.mkDerivation (args' // {
+      name = "${pname}-pnpm-deps";
+
+      nativeBuildInputs = [
+        jq
+        moreutils
+        pnpm
+        cacert
+      ];
+
+      # https://github.com/NixOS/nixpkgs/blob/763e59ffedb5c25774387bf99bc725df5df82d10/pkgs/applications/misc/pot/default.nix#L56
+      installPhase = ''
+        runHook preInstall
+
+        export HOME=$(mktemp -d)
+        pnpm config set store-dir $out
+        # 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
+
+        rm -rf $out/v3/tmp
+        for f in $(find $out -name "*.json"); do
+          sed -i -E -e 's/"checkedAt":[0-9]+,//g' $f
+          jq --sort-keys . $f | sponge $f
+        done
+
+        runHook postFixup
+      '';
+
+      dontConfigure = true;
+      dontBuild = true;
+      outputHashMode = "recursive";
+    } // hash');
+
+  pnpmConfigHook = makeSetupHook
+    {
+      name = "pnpm-config-hook";
+    } ./pnpm-config-hook.sh;
+}
diff --git a/pkgs/build-support/node/fetch-pnpm-deps/pnpm-config-hook.sh b/pkgs/build-support/node/fetch-pnpm-deps/pnpm-config-hook.sh
new file mode 100644
index 00000000..db87532f
--- /dev/null
+++ b/pkgs/build-support/node/fetch-pnpm-deps/pnpm-config-hook.sh
@@ -0,0 +1,36 @@
+# shellcheck shell=bash
+
+pnpmConfigHook() {
+    echo "Executing pnpmConfigHook"
+
+    if [ -z "${pnpmDeps-}" ]; then
+        echo "Error: 'npmDeps' should be set when using npmConfigHook."
+        exit 1
+    fi
+
+    echo "Configuring pnpm store"
+
+    export HOME=$(mktemp -d)
+    export STORE_PATH=$(mktemp -d)
+
+    cp -Tr "$pnpmDeps" "$STORE_PATH"
+    chmod -R +w "$STORE_PATH"
+
+    pnpm config set store-dir "$STORE_PATH"
+
+    echo "Installing dependencies"
+
+    if ! pnpm install --offline --frozen-lockfile --ignore-script; then
+        echo
+        echo "ERROR: pnpm failed to install dependencies"
+        echo
+
+        exit 1
+    fi
+
+    patchShebangs node_modules/{*,.*}
+
+    echo "Finished pnpmConfigHook"
+}
+
+postConfigureHooks+=(pnpmConfigHook)
diff --git a/pkgs/by-name/atomic-browser/package.nix b/pkgs/by-name/atomic-browser/package.nix
index 21f787be..390da48b 100644
--- a/pkgs/by-name/atomic-browser/package.nix
+++ b/pkgs/by-name/atomic-browser/package.nix
@@ -1,7 +1,10 @@
 {
+  mkDerivation,
   fetchFromGitHub,
   lib,
   mkPnpmPackage,
+  fetchPnpmDeps,
+  pnpmConfigHook,
 }: let
   inherit
     (lib)
@@ -9,7 +12,7 @@
     maintainers
     ;
 in
-mkPnpmPackage rec {
+mkDerivation rec {
   pname = "atomic-browser";
   version = "v0.37.0";
 
@@ -21,11 +24,17 @@ mkPnpmPackage rec {
   };
 
   src = "${monorepoSrc}/browser";
+  pnpmDeps = fetchPnpmDeps {
+    inherit src pname;
+    hash = "";
+  };
+
+  nativeBuildInputs = [ pnpmConfigHook ];
 
   # These 2 options are needed to work with pnpm workspaces, which atomic-browser is using
   # https://github.com/nzbr/pnpm2nix-nzbr/issues/29#issuecomment-1918811838
-  installInPlace = true;
-  distDir = ".";
+  #installInPlace = true;
+  #distDir = ".";
 
   meta = {
     description = "Create, share, fetch and model linked Atomic Data! There are three components: a javascript / typescript library, a react library, and a complete GUI: Atomic-Data Browser.";
diff --git a/pkgs/by-name/default.nix b/pkgs/by-name/default.nix
index 6caf1122..a1db4ecb 100644
--- a/pkgs/by-name/default.nix
+++ b/pkgs/by-name/default.nix
@@ -3,6 +3,8 @@
   callPackage,
   dream2nix,
   mkPnpmPackage,
+  fetchPnpmDeps,
+  pnpmConfigHook,
   pkgs,
 }: let
   baseDirectory = ./.;
@@ -49,7 +51,7 @@
     mapAttrs (
       _: directory:
         if pathExists (directory + "/package.nix")
-        then callPackage (directory + "/package.nix") {}
+        then callPackage (directory + "/package.nix") { }
         else if pathExists (directory + "/dream2.nix")
         then callModule (directory + "/dream2.nix")
         else throw "No package.nix or dream2.nix found in ${directory}"