pre-commit

#!/usr/bin/env bash

# Add or remove keywords here
FORBIDDEN="console\.(debug|info|log|warn)\(|alert\(|debugger"
# Add extensions to check here
FILES_PATTERN="\.(js|coffee)(\..+)?$"

LINE=""
VERBOSE=false
ERRORS_BUFFER=""
TEXT_BOLD="\\0033[1m"
TEXT_INFO="\\033[1;32m"
TEXT_ERROR="\\033[1;31m"
TEXT_DEFAULT="\\033[0;39m"
TEXT_UNDERLINE="\\0033[4m"

FILES=$(git diff-index --cached --name-only --diff-filter=ACMR HEAD)

echo -e "\\033[1;33mKeywords checker - pre-commit hook$TEXT_DEFAULT"
echo

for FILE in $FILES; do
  if [[ $FILE =~ $FILES_PATTERN ]]; then
    ERRORS=""
    while IFS=: read -ra RESULT; do
      # line number ${RESULT[1]}
      ERRORS="$ERRORS\n\tline $TEXT_BOLD${RESULT[1]}$TEXT_DEFAULT: "
      ERRORS="$ERRORS"$(sed -n ${RESULT[1]}p $FILE | sed '/^$/d;s/[[:blank:]]//g')
      if [ "$ERRORS_BUFFER" != "" ]; then
        ERRORS_BUFFER="$ERRORS_BUFFER\n$ERRORS"
      else
        ERRORS_BUFFER="$ERRORS"
      fi
    done < <(grep -sEnH $FORBIDDEN $FILE)
    if [ "$ERRORS" != "" ]; then
      ERRORS="$TEXT_ERROR Errors found in $TEXT_BOLD$FILE$TEXT_DEFAULT$ERRORS"
      echo -e "$ERRORS"
      echo
    fi
 fi
done

if [ "$ERRORS_BUFFER" != "" ]; then
  echo -e "$TEXT_ERROR There were errors or warnings, commit aborted.$TEXT_DEFAULT"
  # echo -e "$TEXT_INFO" "If you are sure you want to commit those files, use --no-verify option" "$TEXT_DEFAULT"
  exit 1
else
  echo -e "$TEXT_INFO All files are clean. $TEXT_DEFAULT"
  exit 0
fi