pre-commit hook which will check for any binding.pry or invalid files before commiting

pre-commit-hook

#!/bin/bash
## START PRECOMMIT HOOK

files_modified=`git status --porcelain | egrep "^(A |M |R ).*" | awk ' { if ($3 == "->") print $4; else print $2 } '`

[ -s "$HOME/.rvm/scripts/rvm" ] && . "$HOME/.rvm/scripts/rvm"
## use ruby defined in project
source .rvmrc

for f in $files_modified; do
    echo "Checking ${f}..."
    if [[ $f == *.rb ]]; then
        ruby -c $f
        if [ $? != 0 ]; then
            echo "File ${f} failed"
            exit 1
        fi
        if grep --color -n "binding.pry" $f; then
            echo "File ${f} failed - found 'binding.pry'"
            exit 1
        fi
    elif [[ $f == *.haml ]]; then
        bundle exec haml --check $f
    elif [[ $f == *.sass ]]; then
        bundle exec sass --check $f
    fi
    if [ $? != 0 ]; then
        echo "File ${f} failed"
        exit 1
    fi
done
exit
## END PRECOMMIT HOOK