Git pre-commit hook

pre-commit

#!/bin/bash
#
# Pre-commit hook script to avoid debug  statements to be commited.
# Place under `$PROJECT_DIR/.git/hooks/pre-commit`
# Make script executable `chmod +x $PROJECT_DIR/.git/hooks/pre-commit`
#
# https://github.com/sfate

STATEMENTS="puts\|debugger\|binding.pry\|alert(\|console.log("
OUTPUT=$(git diff --cached --name-only | xargs git grep -wnH " $STATEMENTS" | awk '$0="\t"$0')

if [ -n "$OUTPUT" ]; then
  echo "On branch $(git rev-parse --abbrev-ref HEAD)"
  echo 'Changes staged for commit with debug statements:'
  echo '  (remove debug statements first)'
  echo
  echo -en "\033[0;31m$OUTPUT\033[0m"
  echo
  echo
  echo 'no changes were commited! (remove debug lines and stage files back)'
  exit 1
fi

preview.png