Fix: Added stable branch to flake and needed packages (#165)

.github/workflows/nix.yml

@@ -24,8 +24,11 @@ jobs:
 
       - uses: DeterminateSystems/magic-nix-cache-action@main
 
-      - name: Build package
-        run: nix build .#default --print-build-logs
+      - name: Build stable package
+        run: nix build .#emerald-legacy-launcher --print-build-logs
+
+      - name: Build git package
+        run: nix build .#emerald-legacy-launcher-git --out-link result-git --print-build-logs
 
       - name: Flake check
         run: nix flake check --print-build-logs
@@ -33,6 +36,8 @@ jobs:
       - name: Verify outputs
         run: |
           test -x ./result/bin/emerald-legacy-launcher
-          nix path-info -Sh ./result
+          test -x ./result-git/bin/emerald-legacy-launcher
+          nix path-info -Sh ./result ./result-git
           ls -la ./result/bin/
+          ls -la ./result-git/bin/
           ls -la ./result/share/applications/ || true

.github/workflows/update-nix-stable.yml

@@ -0,0 +1,41 @@
+name: Update Nix Flake (Stable)
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  update-flake:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          ref: main
+
+      - uses: DeterminateSystems/nix-installer-action@main
+
+      - name: Prefetch release source and update flake.nix
+        run: |
+          TAG="${{ github.event.release.tag_name }}"
+          VERSION="${TAG#v}"
+          echo "Processing tag $TAG (version: $VERSION)"
+
+          BASE32_HASH=$(nix-prefetch-url --unpack \
+            "https://github.com/LCE-Hub/LCE-Emerald-Launcher/archive/refs/tags/${TAG}.tar.gz")
+          SRC_HASH=$(nix hash to-sri --type sha256 "$BASE32_HASH")
+
+          echo "stableSrcHash: $SRC_HASH"
+          python3 scripts/update-nix-stable.py --version "$VERSION" --src-hash "$SRC_HASH"
+
+      - name: Commit and push changes
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
+          git add flake.nix
+          git diff --quiet && git diff --staged --quiet || (
+            git commit -m "chore: update Nix stable pin to ${{ github.event.release.tag_name }} [skip ci]" &&
+            git push origin main
+          )

README.md

@@ -137,14 +137,20 @@ paru -S emerald-legacy-launcher-bin # or yay
 **Nix:**
 Requires [Nix](https://nixos.org/download/) with flakes enabled (`experimental-features = nix-command flakes` in `nix.conf`).
 ```bash
-# Run without installing
+# stable release (default) — tracks https://github.com/LCE-Hub/LCE-Emerald-Launcher/releases
 nix run github:LCE-Hub/LCE-Emerald-Launcher
+# or explicitly:
+nix run github:LCE-Hub/LCE-Emerald-Launcher#emerald-legacy-launcher
+
+# git / latest main
+nix run github:LCE-Hub/LCE-Emerald-Launcher#emerald-legacy-launcher-git
 
 # Install to your user profile
-nix profile install github:LCE-Hub/LCE-Emerald-Launcher
+nix profile install github:LCE-Hub/LCE-Emerald-Launcher                  # stable
+nix profile install github:LCE-Hub/LCE-Emerald-Launcher#emerald-legacy-launcher-git  # git
 ```
 
-On NixOS, add the flake as an input and install `packages.<system>.default` (or `emerald-legacy-launcher`) from it.
+On NixOS, add the flake as an input and install `packages.<system>.default` / `emerald-legacy-launcher` (stable) or `emerald-legacy-launcher-git` (main).
 
 **Gentoo:**
 This repository includes a local Portage overlay under [`gentoo/`](gentoo/). Point `repos.conf` at that directory, then emerge the package (build fetches Cargo/npm deps over the network; Wine/Proton is needed at runtime to launch games):

flake.nix

@@ -22,10 +22,25 @@
           inherit system;
           overlays = [ self.overlays.default ];
         };
+
+      # Bump these together when packaging a new upstream stable release.
+      stableVersion = "1.5.1";
+      stableSrcHash = "sha256-XDR6YCWfVeQgIokMfksakw7tqQ+2uWGFqUkLumJU0EA=";
     in
     {
       overlays.default = final: _prev: {
         emerald-legacy-launcher = final.callPackage ./nix/package.nix {
+          version = stableVersion;
+          src = final.fetchFromGitHub {
+            owner = "LCE-Hub";
+            repo = "LCE-Emerald-Launcher";
+            rev = "v${stableVersion}";
+            hash = stableSrcHash;
+          };
+        };
+
+        emerald-legacy-launcher-git = final.callPackage ./nix/package.nix {
+          version = "unstable-${self.shortRev or self.dirtyShortRev or "dirty"}";
           src = self;
         };
       };
@@ -38,6 +53,7 @@
         {
           default = pkgs.emerald-legacy-launcher;
           emerald-legacy-launcher = pkgs.emerald-legacy-launcher;
+          emerald-legacy-launcher-git = pkgs.emerald-legacy-launcher-git;
         }
       );
 
@@ -46,10 +62,15 @@
           type = "app";
           program = lib.getExe self.packages.${system}.default;
         };
+        emerald-legacy-launcher-git = {
+          type = "app";
+          program = lib.getExe self.packages.${system}.emerald-legacy-launcher-git;
+        };
       });
 
       checks = forAllSystems (system: {
         package = self.packages.${system}.default;
+        package-git = self.packages.${system}.emerald-legacy-launcher-git;
       });
 
       devShells = forAllSystems (
@@ -59,7 +80,7 @@
         in
         {
           default = pkgs.mkShell {
-            inputsFrom = [ pkgs.emerald-legacy-launcher ];
+            inputsFrom = [ pkgs.emerald-legacy-launcher-git ];
             packages = with pkgs; [
               cargo
               rustc
@@ -68,6 +89,9 @@
               cargo-tauri
               nodejs
               pnpm_10
+	      unzip
+	      libarchive
+	      python3
               pkg-config
             ];
             shellHook = ''

nix/package.nix

@@ -15,6 +15,7 @@
   libayatana-appindicator,
   librsvg,
   udev,
+  version ? "1.5.1",
   src ? null,
 }:
 
@@ -49,7 +50,7 @@ let
 in
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "emerald-legacy-launcher";
-  version = "1.5.1";
+  inherit version;
 
   src = if src != null then src else defaultSrc;
 
@@ -123,6 +124,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
   meta = {
     description = "FOSS cross-platform launcher for Minecraft Legacy Console Edition";
     homepage = "https://github.com/LCE-Hub/LCE-Emerald-Launcher";
+    changelog = lib.mkIf (!(lib.hasPrefix "unstable-" version)) (
+      "https://github.com/LCE-Hub/LCE-Emerald-Launcher/releases/tag/v${version}"
+    );
     license = lib.licenses.gpl3Only;
     mainProgram = "emerald-legacy-launcher";
     platforms = lib.platforms.linux ++ lib.platforms.darwin;

scripts/update-nix-stable.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+import argparse
+import re
+import sys
+
+
+def update_flake(version: str, src_hash: str) -> None:
+    path = "flake.nix"
+    with open(path, "r", encoding="utf-8") as f:
+        content = f.read()
+
+    new_content, n_version = re.subn(
+        r'stableVersion = "[^"]*";',
+        f'stableVersion = "{version}";',
+        content,
+        count=1,
+    )
+    new_content, n_hash = re.subn(
+        r'stableSrcHash = "[^"]*";',
+        f'stableSrcHash = "{src_hash}";',
+        new_content,
+        count=1,
+    )
+
+    if n_version != 1 or n_hash != 1:
+        print(
+            f"Error: expected to update stableVersion and stableSrcHash once each "
+            f"(got version={n_version}, hash={n_hash})",
+            file=sys.stderr,
+        )
+        sys.exit(1)
+
+    with open(path, "w", encoding="utf-8") as f:
+        f.write(new_content)
+
+    print(f"Updated {path}: stableVersion={version} stableSrcHash={src_hash}")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(
+        description="Update flake.nix stableVersion and stableSrcHash"
+    )
+    parser.add_argument("--version", required=True, help="Stable version without v prefix")
+    parser.add_argument("--src-hash", required=True, help="SRI sha256 of the release source")
+    args = parser.parse_args()
+    update_flake(args.version, args.src_hash)
+
+
+if __name__ == "__main__":
+    main()