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Fix workflow_call diff: use GitHub API to detect default branch #18

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Merged
gobetti merged 1 commit into from
Mar 4, 2026
Merged

Fix workflow_call diff: use GitHub API to detect default branch #18

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7 changes: 4 additions & 3 deletions .github/workflows/auto-fill-pr.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -39,12 +39,13 @@ jobs:
# Determine base ref (github.base_ref is empty when triggered via workflow_call)
BASE_REF="${{ github.base_ref }}"
if [ -z "$BASE_REF" ]; then
# Detect default branch from remote
BASE_REF=$(git symbolic-ref --short refs/remotes/origin/HEAD 2>/dev/null | sed 's|origin/||' || echo "main")
# Fetch default branch from GitHub API
BASE_REF=$(curl -s -H "Authorization: Bearer ${{ github.token }}" \
"https://api.github.com/repos/${{ github.repository }}" | jq -r '.default_branch // "main"')
fi

# Ensure the base ref is fetched locally
git fetch origin ${BASE_REF}
git fetch origin "${BASE_REF}"

# Get the diff (limited to avoid token overflow)
DIFF=$(git diff origin/${BASE_REF}...HEAD -- . ':!package-lock.json' ':!yarn.lock' ':!*.min.js' ':!*.min.css' | head -c 30000)
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