Allow passing build options to Bazel.

.github/workflows/test-bazel-build-test.yml

@@ -72,4 +72,25 @@ jobs:
     - name: Build and test
       uses: ./bazel-build-test
       with:
-        workspace-path: .
+        workspace-path: .
+  build-options:
+    name: Run with build options
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Check out revision
+      uses: actions/checkout@v2
+
+    - name: Init Bazel workspace
+      run: |
+        echo 'workspace(name = "dummy_workspace")' > WORKSPACE
+        echo 'true' > test.sh
+        chmod u+x test.sh
+        echo 'sh_test(name = "passing_test", srcs = ["test.sh"])' > BUILD.bazel
+
+    - name: Build and test
+      uses: ./bazel-build-test
+      with:
+        workspace-path: .
+        build-options: |
+          --show_result=1024
+          --test_summary=detailed

.lintignore

@@ -0,0 +1 @@
+node_modules/

bazel-build-test/action.yml

@@ -19,6 +19,13 @@ inputs:
     description: Path of Bazel workspace
     required: true
     default: .
+  build-options:
+    # TODO(actions/toolkit#184): Use list type rather than newline-delimited
+    # string once it's available.
+    description: >-
+      Options to pass to the Bazel build and test commands. Newline-delimited.
+    required: false
+    default: ''
 runs:
   using: node12
   main: index.js

bazel-build-test/index.js

@@ -37,10 +37,15 @@ async function run() {
   const cachePaths = [outputBase];
   await cache.restoreCache(cachePaths, cacheKey, restoreKeys);
 
+  const buildOptions = ['--keep_going'].concat(
+      core.getInput('build-options').split('\n').filter(value => value !== ''));
+  const testOptions = ['--test_output=errors'].concat(buildOptions);
+
   await exec.exec(
-      'bazelisk', ['build', '--keep_going', '//...'], {cwd: workspacePath});
+      'bazelisk', ['build'].concat(buildOptions).concat(['//...']),
+      {cwd: workspacePath});
   const testExitCode = await exec.exec(
-      'bazelisk', ['test', '--keep_going', '--test_output=errors', '//...'],
+      'bazelisk', ['test'].concat(testOptions).concat(['//...']),
       {cwd: workspacePath, ignoreReturnCode: true});
   if (!validTestExitCodes.includes(testExitCode)) {
     throw new Error('Testing failed');
@@ -57,12 +62,10 @@ async function run() {
   }
 }
 
-async function main() {
+(async function() {
   try {
     await run();
   } catch (err) {
     core.setFailed(err);
   }
-}
-
-main();
+}());