fix

.github/workflows/test.yml

@@ -61,6 +61,8 @@ jobs:
  runs-on: [ubuntu-latest]
  steps:
  - uses: actions/checkout@v3
+ with:
+ fetch-depth: 2
 
  - name: Test changed files
  with:

changed-files/action.yml

@@ -31,16 +31,20 @@ runs:
  elif [ "${{ github.event_name }}" == "pull_request" ]; then
  pr_number=$(echo ${{ github.event.pull_request.number }})
  fi
+
  if [ -n "$pr_number" ]; then
  base_ref=$(gh pr view $pr_number --json baseRefName -q '.baseRefName')
  head_ref=$(gh pr view $pr_number --json headRefName -q '.headRefName')
  git fetch origin $base_ref $head_ref
  git branch -a
  last_merged_commit=$(git merge-base origin/$base_ref origin/$head_ref)
  changed_paths=$(git diff --name-only $last_merged_commit..origin/$head_ref)
- else
+ elif [ $(git rev-list --count HEAD) -gt 1 ]; then
  changed_paths=$(git diff --name-only HEAD~1)
+ else
+ echo "No previous commit to compare with."
  fi
+
  changed_paths=$(echo $changed_paths | tr '\n' ' ')
  echo "CHANGED_PATHS=$changed_paths" >> $GITHUB_ENV
  echo "Changed paths: ${PATHS[@]}"