1 files changed, 97 insertions, 0 deletions
diff --git a/pkgs/mo/default.nix b/pkgs/mo/default.nix
new file mode 100644
index 0000000..9f62deb
--- /dev/null
+++ b/pkgs/mo/default.nix
@@ -0,0 +1,97 @@
+{
+  lib,
+  stdenvNoCC,
+  buildGoModule,
+  fetchFromGitHub,
+  fetchPnpmDeps,
+  jq,
+  nodejs_22,
+  pnpm_10,
+  pnpmConfigHook,
+}:
+
+let
+  version = "1.6.1";
+
+  src = fetchFromGitHub {
+    owner = "k1LoW";
+    repo = "mo";
+    rev = "v${version}";
+    hash = "sha256-/PiMYllj0l3XwIkqT/sc7U/vGXdNmTD8RowZWe9ZDR8=";
+  };
+
+  frontend = stdenvNoCC.mkDerivation (finalAttrs: {
+    pname = "mo-frontend";
+    inherit version src;
+    sourceRoot = "${src.name}/internal/frontend";
+
+    nativeBuildInputs = [
+      jq
+      nodejs_22
+      pnpm_10
+      pnpmConfigHook
+    ];
+
+    # Remove .pnpm.executionEnv to prevent pnpm from downloading Node.js binary.
+    # Drop pnpm's executionEnv.nodeVersion pin. With it set, pnpm insists on
+    # managing its own Node.js and downloads it from nodejs.org at build time
+    # (which fails offline) -- it does this even when the pinned version equals
+    # the Node.js already on PATH, so matching the version does not help. Remove
+    # the pin instead and let pnpm use the nixpkgs Node.js from nativeBuildInputs.
+    postPatch = ''
+      jq 'del(.pnpm.executionEnv)' package.json > package.json.tmp
+      mv package.json.tmp package.json
+
+      chmod -R u+w ../static
+    '';
+
+    pnpmDeps = fetchPnpmDeps {
+      inherit (finalAttrs)
+        pname
+        version
+        src
+        sourceRoot
+        ;
+      pnpm = pnpm_10;
+      fetcherVersion = 3;
+      hash = "sha256-473ftja7cEzU/FrMN2xti/ChZ/j2KGhb8Gk+TIa+Pv8=";
+    };
+
+    buildPhase = ''
+      runHook preBuild
+      pnpm run build
+      runHook postBuild
+    '';
+
+    # vite emits to ../static/dist.
+    installPhase = ''
+      runHook preInstall
+      cp -r ../static/dist $out
+      runHook postInstall
+    '';
+  });
+in
+buildGoModule {
+  pname = "mo";
+  inherit version src;
+
+  vendorHash = "sha256-rmtJswO3DWWxpb2uk91aIatc7ugNmsqzwlEeKdX7ITE=";
+
+  preBuild = ''
+    cp -r ${frontend} internal/static/dist
+  '';
+
+  ldflags = [
+    "-s"
+    "-w"
+    "-X github.com/k1LoW/mo/version.Revision=v${version}"
+  ];
+
+  meta = {
+    description = "Markdown viewer that opens .md files in a browser";
+    homepage = "https://github.com/k1LoW/mo";
+    changelog = "https://github.com/k1LoW/mo/raw/v${version}/CHANGELOG.md";
+    license = lib.licenses.mit;
+    mainProgram = "mo";
+  };
+}