[ggj][ci] Add builder and linter checks

.circleci/config.yml

@@ -1,13 +1,33 @@
-# Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
 version: 2.1
-# Use a package of configuration called an orb.
-orbs:
-  # Declare a dependency on the welcome-orb
-  welcome: circleci/welcome-orb@0.4.1
-# Orchestrate or schedule a set of jobs
+
+# ======================= JOBS =======================
+jobs:
+  gapic-generator-java-tests:
+    docker:
+      - image: l.gcr.io/google/bazel
+    working_directory: /home/circleci/project/gapic-generator-java
+    steps:
+      - checkout
+      - run:
+          name: Builder
+          command: |
+            bazel build //...
+  google-java-format:
+    docker:
+      - image: l.gcr.io/google/bazel
+    working_directory: /home/circleci/workspace/gapic-generator-java
+    steps:
+      - checkout
+      - run:
+          name: Java Linter
+          command: |
+            bazel build //:google_java_format_verification
+
+# ======================= WORKFLOWS =======================
+
 workflows:
-  # Name the workflow "welcome"
-  welcome:
-    # Run the welcome/run job in its own container
+  version: 2
+  run_tests:
     jobs:
-      - welcome/run
+      - gapic-generator-java-tests
+      - google-java-format

BUILD.bazel

@@ -30,7 +30,7 @@ java_binary(
 # are formatted correctly.
 google_java_format_verification(
     name = "google_java_format_verification",
-    srcs = glob(["src/**/*.java"]),
+    srcs = ["//src/main/java/com/google/api/generator:generator_files"],
     formatter = "//:google_java_format_binary",
 )