[INTT-39] feat: dart workflow

.config/filegen-manifest.json

@@ -5,23 +5,31 @@
       "clobber": true,
       "deactivate": null,
       "ignore-modification": null,
-      "source": "/nix/store/7lmqw9hjcp0wrrcr1fn8vgyjcpsiryns-pre-commit-config.yaml",
+      "source": "/nix/store/yhbigqfbyr91f9si3b6y6ib5558ddzx3-pre-commit-config.yaml",
       "target": "./.pre-commit-config.yaml",
       "type": "copy"
     },
     {
       "clobber": true,
       "deactivate": null,
       "ignore-modification": null,
-      "source": "/nix/store/lai6c0kl9c0r0j1ld4j8ilrw53k3bxmq-rust-test.yml",
+      "source": "/nix/store/1i9xz4fis8a12qlv03ss9smrhhv8nicn-dart-test.yml",
+      "target": "./.github/workflows/dart-test.yml",
+      "type": "copy"
+    },
+    {
+      "clobber": true,
+      "deactivate": null,
+      "ignore-modification": null,
+      "source": "/nix/store/59cxdgpnmw5y43fhn7q2bcvz0jv5v9b3-rust-test.yml",
       "target": "./.github/workflows/rust-test.yml",
       "type": "copy"
     },
     {
       "clobber": true,
       "deactivate": null,
       "ignore-modification": null,
-      "source": "/nix/store/glxwjx24212kdvwwwpzcqkhdzck96cvi-envrc",
+      "source": "/nix/store/qxl4d2ablir1lzshp9manp44nkl0328x-envrc",
       "target": "./.envrc",
       "type": "copy"
     }

nix/dart/default.nix

@@ -0,0 +1,34 @@
+{
+  flake-parts-lib,
+  lib,
+  importApply,
+  ...
+}@args:
+importingFlake: {
+  imports = [
+    (importApply ./pre-commit-hooks.nix args)
+
+    ./workflows/workflow.nix
+  ];
+
+  options.perSystem = flake-parts-lib.mkPerSystemOption ({
+    options.famedly.standards.dart.projects = lib.mkOption {
+      description = ''
+        Dart projects in the repository that should be equipped with our
+        standards.
+
+        This must be a relative path starting with `.`. Simply use `.` if the
+        whole project is a Dart project.
+      '';
+      default = { };
+
+      example = ''
+        {
+          "." = { };
+        }
+      '';
+
+      type = lib.types.attrsOf (lib.types.submodule { });
+    };
+  });
+}

nix/dart/pre-commit-hooks.nix

@@ -0,0 +1,84 @@
+{
+  flakeModules,
+  inputs,
+  flake-parts-lib,
+  lib,
+  ...
+}:
+importingFlake: {
+  config.perSystem =
+    {
+      pkgs,
+      config,
+      ...
+    }:
+    let
+      dart = lib.getExe pkgs.dart;
+      grep = lib.getExe pkgs.gnugrep;
+
+      check-conventional-commits = pkgs.writeShellScript "check-conventional-commits" ''
+        set -eu
+
+        commit_message_file="$1"
+        accepted_prefixes='ci|fix|feat|chore|test|perf|refactor|style|builds|docs|revert'
+
+        if ! ${grep} -Eq "^($accepted_prefixes)(\([[:alnum:]_.-]+\))?!?: .+" "$commit_message_file"; then
+          echo "Commit message must start with one of: $accepted_prefixes"
+          exit 1
+        fi
+      '';
+
+      dart-analyze = pkgs.writeShellScript "dart-analyze" ''
+        set -eu
+
+        if [ -f pubspec.yaml ] && ${grep} -Eq '^flutter:' pubspec.yaml; then
+          command=flutter
+        else
+          command=${dart}
+        fi
+
+        ${dart} format lib/ --set-exit-if-changed
+        "$command" pub get
+        "$command" analyze
+
+        if command -v dart_code_metrics >/dev/null 2>&1; then
+          dart_code_metrics analyze lib || true
+        fi
+      '';
+    in
+    {
+      prek-pre-commit.workspaces = lib.mapAttrs (name: _: {
+        default_language_version.dart = "system";
+
+        repos = [
+          {
+            repo = "local";
+            hooks = [
+              {
+                id = "check-conventional-commits";
+                name = "check-conventional-commits";
+                description = "Check commit messages follow conventional commits";
+
+                entry = "${check-conventional-commits}";
+
+                language = "system";
+                stages = [ "commit-msg" ];
+              }
+
+              {
+                id = "dart-analyze";
+                name = "dart-analyze";
+                description = "Run dart analyze on all targets";
+
+                entry = "${dart-analyze}";
+
+                language = "system";
+                types = [ "dart" ];
+                pass_filenames = false;
+              }
+            ];
+          }
+        ];
+      }) config.famedly.standards.dart.projects;
+    };
+}

nix/dart/workflows/default.nix

@@ -0,0 +1,34 @@
+{
+  flake-parts-lib,
+  lib,
+  importApply,
+  ...
+}@args:
+importingFlake: {
+  imports = [
+    (importApply ./pre-commit-hooks.nix args)
+
+    ./workflow.nix
+  ];
+
+  options.perSystem = flake-parts-lib.mkPerSystemOption ({
+    options.famedly.standards.dart.projects = lib.mkOption {
+      description = ''
+        Dart projects in the repository that should be equipped with our
+        standards.
+
+        This must be a relative path starting with `.`. Simply use `.` if the
+        whole project is a Dart project.
+      '';
+      default = { };
+
+      example = ''
+        {
+          "." = { };
+        }
+      '';
+
+      type = lib.types.attrsOf (lib.types.submodule { });
+    };
+  });
+}

nix/dart/workflows/workflow.nix

@@ -0,0 +1,56 @@
+{ config, lib, ... }:
+let
+  allowed-actions = config.famedly.standards.allowed-action-versions;
+in
+{
+  perSystem =
+    { config, ... }:
+    let
+      run-pre-commit = project: ''
+        nix develop .#general --command sh -c ${lib.escapeShellArg "cd ${lib.escapeShellArg project} && prek run --all-files"}
+      '';
+      dart-project-steps = lib.mapAttrsToList (project: _: {
+        name = "Run Dart pre-commit checks (${project})";
+        run = run-pre-commit project;
+      }) config.famedly.standards.dart.projects;
+    in
+    {
+      githubActions.workflows.dart-test = {
+        name = "Dart test workflow";
+
+        on = {
+          push = {
+            branches = [ "main" ];
+            tags = [ "*" ];
+          };
+
+          pullRequest = {
+            branches = [ "*" ];
+            types = [
+              "opened"
+              "reopened"
+              "synchronize"
+              "ready_for_review"
+            ];
+          };
+        };
+
+        concurrency = {
+          group = "\${{ github.workflow }}-\${{ github.ref }}";
+          cancelInProgress = true;
+        };
+
+        defaults.run.shell = "nu --no-config-file --no-history {0}";
+        env.DART_TERM_COLOR = "always";
+
+        jobs.test = {
+          runsOn = "ubuntu-latest-4core";
+
+          steps = [
+            { uses = allowed-actions."actions/checkout".uses; }
+            { uses = allowed-actions."cachix/install-nix-action".uses; }
+          ] ++ dart-project-steps;
+        };
+      };
+    };
+}

nix/default.nix

@@ -11,6 +11,7 @@ importingFlake: {
     flakeModules.prek-pre-commit
 
     (importApply ./general args)
+    (importApply ./dart args)
     (importApply ./rust args)
   ];
 }