meshtastic-web: build from source (#471080)

pkgs/by-name/me/meshtastic-web/package.nix

@@ -1,23 +1,63 @@
 {
-  stdenv,
   lib,
-  fetchurl,
+  stdenv,
+  fetchFromGitHub,
+  pnpm_9,
+  fetchPnpmDeps,
+  pnpmConfigHook,
+  nodejs,
 }:
+
 stdenv.mkDerivation (finalAttrs: {
   pname = "meshtastic-web";
   version = "2.6.7";
 
-  src = fetchurl {
-    url = "https://github.com/meshtastic/web/releases/download/v${finalAttrs.version}/build.tar";
-    hash = "sha256-o09DYKBIZUOmmN4g3lM1V0kudjq0Wfwn/OqV0ElRRO0=";
+  src = fetchFromGitHub {
+    owner = "meshtastic";
+    repo = "web";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-71/Wr/b42fknVCdeO99AI4ZpJk8Smkse/TFisKLzBCQ=";
+    fetchSubmodules = true;
+    leaveDotGit = true;
+    postFetch = ''
+      cd "$out"
+      git rev-parse --short HEAD > $out/COMMIT
+      find "$out" -name .git -print0 | xargs -0 rm -rf
+    '';
   };
 
-  sourceRoot = ".";
+  pnpmWorkspaces = [ "*" ];
+  pnpmRoot = "packages/web";
+  pnpmDeps = fetchPnpmDeps {
+    pnpm = pnpm_9;
+    inherit (finalAttrs)
+      pname
+      version
+      src
+      pnpmWorkspaces
+      ;
+    fetcherVersion = 2;
+    hash = "sha256-p8AdAYqaHoKaWirNy9uPLs/kRDVNDcXBJQ1y29MVAA0=";
+  };
+
+  nativeBuildInputs = [
+    pnpm_9
+    pnpmConfigHook
+    nodejs
+  ];
+
+  preConfigure = ''
+    substituteInPlace packages/web/vite.config.ts \
+      --replace-fail "hash = \"DEV\"" "hash = \"$(cat COMMIT)\"" \
+      --replace-fail "version = \"v0.0.0\"" "version = \"${finalAttrs.version}\""
+  '';
 
   buildPhase = ''
     runHook preBuild
 
-    gzip -dr .
+    pushd packages/web
+    pnpm install
+    pnpm run build
 
     runHook postBuild
   '';
@@ -26,7 +66,7 @@ stdenv.mkDerivation (finalAttrs: {
     runHook preInstall
 
     mkdir -p $out
-    cp -ar . $out/
+    cp -ar dist/. $out/
 
     runHook postInstall
   '';