Git pre-commit to validate HTML, CSS and JS

pre-commit

#!/bin/sh
#
# Run validations before commit
#
# - HTML:  https://github.com/htacg/tidy-html5
# - CSS:   https://github.com/CSSLint/csslint
# - JS:    http://jshint.com/docs/cli/
#
# Author: fer@ga.com


# This  will check only files added to git for this commit
# html_files=$(git diff --cached --name-only --diff-filter=ACMR -- *.html **/*.html)
html_files=$(ls -R *.html)
html_pass=true

echo "\033[32m####################################\033[0m"
echo "\033[32m# VALIDATING HTML                  #\033[0m"
echo "\033[32m####################################\033[0m"
if [ "$html_files" != "" ]; then
    for file in ${html_files}; do
        result=$(tidy-html ${file} -quiet --show-warnings no &>/dev/null)
        # result=$(tidy-html ${file} -quiet -errors --show-warnings no &>/dev/null)
        RETVAL=$?
        if [ $RETVAL -ne 0 ]; then
            echo "\033[31mtidy-html Failed: ${file}\033[0m"
            echo $(tidy-html ${file} -quiet -errors --show-warnings no | grep "errors were found!" | head -1)
            html_pass=false
        else
          echo "\033[32mtidy-html Passed: ${file}\033[0m"
        fi
    done
fi

# # css_files=$(git diff --cached --name-only --diff-filter=ACMR -- *.html **/*.css)
css_files=$(ls -R **/*.css | grep -v min.css)
css_pass=true

echo "\033[32m####################################\033[0m"
echo "\033[32m# VALIDATING CSS                   #\033[0m"
echo "\033[32m####################################\033[0m"
if [ "$css_files" != "" ]; then
    for file in ${css_files}; do
        # result=$(csslint ${file}  &>/dev/null)
        result=$(csslint ${file} &>/dev/null)
        RETVAL=$?
        if [ $RETVAL -ne 0 ]; then
            echo "\033[31mCSSLint Failed: ${file}\033[0m"
            csslint --format=compact ${file} | sed -E 's/^[^:]*://'
            css_pass=false
        else
          echo "\033[32mCSSHint Passed: ${file}\033[0m"
        fi
    done
fi


# js_files=$(git diff --cached --name-only --diff-filter=ACMR -- *.js **/*.js)
js_files=$(ls -R **/*.js | grep -v min.js)
js_pass=true

echo ""
echo "\033[32m####################################\033[0m"
echo "\033[32m# VALIDATING JAVASCRIPT            #\033[0m"
echo "\033[32m####################################\033[0m"
if [ "$js_files" != "" ]; then
    for file in ${js_files}; do
        result=$(jshint ${file} | sed -E 's/^[^:]*://')

        if [ "$result" != "" ]; then
            echo "\033[31mJSHint Failed: ${file}\033[0m"
            echo "$result"
            js_pass=false
        else
          echo "\033[32mJSHint Passed: ${file}\033[0m"
        fi
    done
fi


if $html_pass && $css_pass && $js_pass; then
    exit 0
else
    echo ""
    echo "\033[31m####################################\033[0m"
    echo "\033[31m# COMMIT FAILED!!!!!               #\033[0m"
    echo "\033[31m####################################\033[0m"
    echo ""
    echo "\033[31m Looks like some of your HTML/CSS/JS files are invalid.\033[0m"
    echo "\033[31m Please fix errors and try committing again.\033[0m"
    echo ""
    echo "\033[31m Happy coding!\033[0m"
    exit 1
fi