Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,37 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v5
+      - uses: cachix/install-nix-action@v31
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+
+      - id: filenames
+        run: echo VENDORED_TARBALL="$(nix eval --raw .#packages.x86_64-linux.vendored-tarball-filename)" >> "$GITHUB_OUTPUT"
+
+      - run: |
+          nix build .#vendored-tarball
+          ln -s result "${{ steps.filenames.outputs.VENDORED_TARBALL }}"
+
+      - name: Create GitHub Release (Draft)
+        uses: softprops/action-gh-release@v2
+        with:
+          draft: true
+          tag_name: ${{ github.ref_name }}
+          files: ${{ steps.filenames.outputs.VENDORED_TARBALL }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

flake.nix

@@ -11,6 +11,7 @@
       nixpkgs,
     }:
     let
+      pname = "drasl";
       version =
         let
           buildConfig = builtins.readFile ./build_config.go;
@@ -51,40 +52,49 @@
       packages = forAllSystems (
         system:
         let
-          buildDrasl =
+          npmDeps =
             pkgs:
             let
               nodejs = pkgs.nodejs_20;
-              npmDeps = pkgs.importNpmLock.buildNodeModules {
-                inherit nodejs;
-                npmRoot = ./.;
-              };
             in
+            pkgs.importNpmLock.buildNodeModules {
+              inherit nodejs;
+              npmRoot = ./.;
+            };
+
+          nativeBuildInputs =
+            pkgs: with pkgs; [
+              nodejs
+              go-swag
+            ];
+
+          # Update whenever Go dependencies change
+          vendorHash = "sha256-4Rk59bnDFYpraoGvkBUW6Z5fiXUmm2RLwS1wxScWAMQ=";
+
+          preBuild = pkgs: ''
+            ln -s ${npmDeps pkgs}/node_modules .
+            make -o npm-install prebuild
+          '';
+
+          buildDrasl =
+            pkgs:
             pkgs.buildGoModule {
-              pname = "drasl";
+              inherit pname;
               inherit version;
-
               src = ./.;
 
-              nativeBuildInputs = with pkgs; [
-                nodejs
-                go-swag
-              ];
+              nativeBuildInputs = nativeBuildInputs pkgs;
 
-              # Update whenever Go dependencies change
-              vendorHash = "sha256-4Rk59bnDFYpraoGvkBUW6Z5fiXUmm2RLwS1wxScWAMQ=";
+              inherit vendorHash;
 
               outputs = [ "out" ];
 
+              preBuild = preBuild pkgs;
+
               preConfigure = ''
                 substituteInPlace build_config.go --replace-fail "\"/usr/share/drasl\"" "\"$out/share/drasl\""
               '';
 
-              preBuild = ''
-                ln -s ${npmDeps}/node_modules .
-                make -o npm-install prebuild
-              '';
-
               postInstall = ''
                 mkdir -p "$out/share/drasl"
                 cp -R ./{assets,view,public,locales} "$out/share/drasl"
@@ -98,6 +108,30 @@
               contents = with pkgs; [ cacert ];
               config.Cmd = [ "${buildDrasl pkgs}/bin/drasl" ];
             };
+
+          buildVendoredTarball =
+            pkgs:
+            pkgs.buildGoModule {
+              inherit pname;
+              inherit version;
+              src = ./.;
+
+              nativeBuildInputs = nativeBuildInputs pkgs;
+
+              inherit vendorHash;
+
+              outputs = [ "out" ];
+
+              buildPhase = preBuild pkgs;
+
+              doCheck = false;
+
+              installPhase = ''
+                tar -cJf "$out" --exclude node_modules --transform "s|^|$pname-$version/|" .
+              '';
+
+              dontFixup = true;
+            };
         in
         rec {
           drasl = buildDrasl nixpkgsFor.${system};
@@ -113,6 +147,9 @@
           # oci-cross-x86_64-darwin = buildOCIImage nixpkgsCross.${system}.x86_64-darwin;
           oci-cross-aarch64-linux = buildOCIImage nixpkgsCross.${system}.aarch64-linux;
           # oci-cross-aarch64-darwin = buildOCIImage nixpkgsCross.${system}.aarch64-darwin;
+
+          vendored-tarball = buildVendoredTarball nixpkgsFor.${system};
+          vendored-tarball-filename = "${vendored-tarball.pname}-${vendored-tarball.version}-vendored.tar.xz";
         }
       );