pre-commit

#!/bin/bash
# Formats staged Java sources with the sirix formatter before they are committed.
# Install with: cp pre-commit .git/hooks/pre-commit && chmod +x .git/hooks/pre-commit
# Spotless is ratcheted from origin/main, so spotlessApply only rewrites files
# changed since main — no per-file plumbing is needed.
set -uo pipefail

staged_files=$(git diff --cached --name-only --diff-filter=ACMR | grep -E '\.java$' || true)

if [ -z "$staged_files" ]; then
  exit 0
fi

echo "Running the sirix formatter on staged Java files..."
if ! ./gradlew spotlessApply --daemon; then
  echo "Spotless formatting failed." >&2
  exit 1
fi

# Restage the files that were staged before formatting (formatting may have
# rewritten them). Note: for a file with both staged and unstaged hunks this
# stages the whole file, as any format-on-commit hook must.
while IFS= read -r file; do
  [ -f "$file" ] && git add -- "$file"
done <<< "$staged_files"

exit 0