Before commiting to github run through jshint

hook.sh

#
# Forked from:
# https://raw.githubusercontent.com/goschevski/fronty/master/hooks.sh
#
js_hint='{
    "bitwise": false,
    "curly": true,
    "eqeqeq": true,
    "forin": true,
    "immed": true,
    "latedef": true,
    "newcap": true,
    "noarg": true,
    "noempty": true,
    "nonew": false,
    "plusplus": false,
    "regexp": false,
    "undef": true,
    "strict": false,
    "trailing": true,
    "asi": false,
    "boss": true,
    "debug": true,
    "eqnull": false,
    "esnext": true,
    "evil": false,
    "expr": true,
    "funcscope": false,
    "globalstrict": false,
    "iterator": false,
    "lastsemic": false,
    "laxbreak": false,
    "laxcomma": true,
    "loopfunc": true,
    "multistr":  true,
    "proto": false,
    "regexdash": false,
    "scripturl": false,
    "smarttabs": false,
    "shadow": false,
    "sub": true,
    "supernew": false,
    "validthis": false,
    "browser": true,
    "couch": false,
    "devel": true,
    "dojo": false,
    "jquery": false,
    "mootools": false,
    "node": true,
    "nonstandard": true,
    "predef": ["define", "require", "$", "beforeEach", "afterEach", "jasmine", "it", "describe", "expect", "sinon"],
    "prototypejs": false,
    "rhino": false,
    "wsh": false,
    "onevar": false,
    "passfail": false
}'
 
pre_commit_javascript="#!/usr/bin/env bash
 
EXIT_CODE=0
CURRENT=\$(pwd)
RES=\"\"
 
for FILE in \`git diff-index HEAD -- | awk '{ if (\$5 != \"D\") print \$6 }' | grep \".*\\.js$\"\`; do
    echo \"checking file \$FILE\"
    RES=\"\$RES\\n\`jshint \$FILE\`\"
    EXIT_CODE=\$((\${EXIT_CODE} + \$?))
done
 
if [[ \${EXIT_CODE} -ne 0 ]]; then
    echo \"\$RES\"
    echo \"If you don't have JSHint, install it using 'npm install -g jshint'.\"
    echo \"JSHint detected syntax problems.\"
    echo \"Commit aborted.\"
fi
 
exit \$((\${EXIT_CODE}))"
 
pre_commit='#!/usr/bin/env bash
 
.git/hooks/pre-commit-javascript'
 
echo "installing .jshintrc"
 
FOLDER=$(pwd)
touch $FOLDER/.jshintrc && echo "$js_hint" > $FOLDER/.jshintrc
 
project_path=$1
 
if [ -z "$project_path" ]; then
    project_path=$FOLDER
fi
 
echo "base path is $project_path"
 
for f in 'pre-commit' 'pre-commit-javascript'; do echo "installing $f"
    `touch $project_path/.git/hooks/$f`;
    `chmod a+x $project_path/.git/hooks/$f`;
    tpl_name=$(echo $f | sed 's/-/_/g')
    tpl="${!tpl_name}"
    `echo "$tpl" > $project_path/.git/hooks/$f`
done
 
echo "done."