Check input for empty directories

.github/workflows/ci.yaml

@@ -79,6 +79,20 @@ jobs:
  with:
  setup_only: true
  - run: buf --version | grep $BUF_VERSION
+ test-empty-build:
+ runs-on: ubuntu-latest
+ needs: build
+ steps:
+ - uses: actions/checkout@v4
+ - uses: ./
+ with:
+ lint: false
+ format: false
+ breaking: false
+ push: false
+ archive: false
+ pr_comment: false
+ continue-on-error: true # build fails
  test-lint:
  runs-on: ubuntu-latest
  needs: build

dist/index.js

@@ -45828,6 +45828,9 @@ async function runWorkflow(bufPath, inputs, moduleNames) {
  const steps = {};
  steps.build = await build(bufPath, inputs);
  if (steps.build.status == Status.Failed) {
+ if (steps.build.stderr.match(/had no .proto files/)) {
+ core.info('Did you forget to add the "actions/checkout@v4" checkout step to your workflow?');
+ }
  return steps;
  }
  const checks = await Promise.all([

src/main.ts

@@ -153,6 +153,11 @@ async function runWorkflow(
  const steps: Steps = {};
  steps.build = await build(bufPath, inputs);
  if (steps.build.status == Status.Failed) {
+ if (steps.build.stderr.match(/had no .proto files/)) {
+ core.info(
+ 'Did you forget to add the "actions/checkout@v4" checkout step to your workflow?',
+ );
+ }
  return steps;
  }
  const checks = await Promise.all([