pre-commit

#!/bin/sh

# List of Java files to format:
files=$(git diff --cached --name-only --diff-filter=AMCR | grep -Ei "\.java$" || true)

# Check if there are Java files to format:
if [ -z "$files" ]
then
  echo "Google Java Formatting skipped - no Java sources to format"
  exit 0
fi

# Root directory of this git repository:
REPO_ROOT_DIR="$(git rev-parse --show-toplevel)"

echo "Executing Google Java Format in ${REPO_ROOT_DIR}"

# Format Java files using Google Java Format:

"${REPO_ROOT_DIR}/gradlew" googleJavaFormat -PgoogleJavaFormat.include="$files" --quiet --stacktrace

if [ $? != 0 ]
then
  echo "Error: Failed to format Java files!"
  exit 255
fi

# Stage the formatted files:
git add ${files}

if [ $? != 0 ]
then
  echo "Error: Failed to stage formatted Java files!"
  exit 255
fi