feat(ci): add Nix CI (#939)

.github/workflows/ci.yml

@@ -224,3 +224,24 @@ jobs:
         with:
           name: git-cliff.${{ github.run_id }}-profiler-report
           path: git-cliff.**.flamegraph.svg
+
+  nix-flake:
+    name: Build Nix flake
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+
+      - name: Install Nix
+        uses: nixbuild/nix-quick-install-action@v27
+
+      - name: Restore and cache Nix store
+        uses: nix-community/cache-nix-action@v5
+        with:
+          primary-key: nix-${{ runner.os }}-${{ hashFiles('**/*.nix') }}
+          restore-prefixes-first-match: nix-${{ runner.os }}-
+          gc-max-store-size-linux: 1073741824
+          purge: false
+
+      - name: Check Nix flake
+        run: nix flake check --all-systems -Lv --show-trace

flake.nix

@@ -15,7 +15,31 @@
           inherit system;
           overlays = [ inputs.rust-overlay.overlays.rust-overlay ];
         };
-      in {
+        base-git-cliff = { buildType }: pkgs.rustPlatform.buildRustPackage {
+          name = "git-cliff";
+          src = ./.;
+          cargoLock = {
+            lockFile = ./Cargo.lock;
+          };
+          checkType = "debug";
+          inherit buildType;
+          checkFlags = [
+            "--skip=command"
+            "--skip=repo"
+          ];
+          meta = with pkgs.lib; {
+            description = "A highly customizable Changelog Generator that follows Conventional Commit specifications";
+            homepage = "https://git-cliff.org/";
+            license = [ licenses.mit licenses.asl20 ];
+          };
+        };
+      in rec {
+        packages = rec {
+          git-cliff = base-git-cliff { buildType = "release"; };
+          git-cliff-debug = base-git-cliff { buildType = "debug"; };
+          default = git-cliff;
+        };
+
         devShell = pkgs.mkShell {
           CARGO_INSTALL_ROOT = "${toString ./.}/.cargo";
 
@@ -32,5 +56,7 @@
             })
           ];
         };
+
+        checks.check = packages.git-cliff-debug;
       });
 }