#!/bin/sh

export LC_ALL=C NO_XFAIL=1

############################### JS Lint #####################################

LINTED_DIRECTORIES="apps shared build/test/unit test_apps/demo-keyboard"

JSHINT_EXECUTABLE="node_modules/.bin/jshint"

JSHINT_XFAIL_LIST="build/jshint/xfail.list"

JSHINT_ARGS="--reporter=build/jshint/xfail $JSHINT_ARGS"

excluded_list=".jshintignore"

jshint_information() {

echo "Please read https://github.com/mozilla-b2g/gaia/tree/master/build/jshint/README.md for more information.\n"

}

if [ ! -r $excluded_list ];

then

exit 0

fi

if [ ! -r "$JSHINT_XFAIL_LIST" ];

then

# early bailout, this commit hook is newer than the gaia code it runs in

exit 0

fi

hash gjslint > /dev/null 2>&1

if [ $? -eq 1 ];

then

echo >&2 "You should install gjslint to lint your patch"

echo >&2 "https://developers.google.com/closure/utilities/docs/linter_howto"

exit 0

fi

hash node > /dev/null 2>&1

if [ $? -eq 1 ];

then

echo >&2 "You should install node to lint your patch"

echo >&2 "http://nodejs.org/download/"

exit 0

fi

if [ ! -x "$JSHINT_EXECUTABLE" ];

then

echo >&2 'You should run `npm install` to lint your patch'

exit 0

fi

js_changed_files=`git diff --staged --name-only --diff-filter=ACMRT -- $LINTED_DIRECTORIES | grep '\.js$'`

if [ -n "$js_changed_files" ]

then

# gjslint: only test files xfailed in jshint

# echo with the quotes keeps the whitespace -- comm needs newlines, but

# LINTED_FILES needs to be space-separated

# Note also that xfail.list _must_ be sorted.

xfailed=`echo "$js_changed_files" | sort | comm -12 "$JSHINT_XFAIL_LIST" - | tr '[:space:]' ' '`

gjslint_result=0

if [ -n "$xfailed" ] ; then

echo "gjslint check:"

LINTED_FILES="$xfailed" make -s gjslint

gjslint_result=$?

echo

fi

echo "jshint check:"

# warn about files being xfailed

for file in $js_changed_files ; do

one_was_ignored=""

if grep -q $file "$JSHINT_XFAIL_LIST" ; then

one_was_ignored="1"

echo "$file: jshint errors are ignored. Please consider fixing lint errors and removing it from $JSHINT_XFAIL_LIST."

fi

done

test -n "$one_was_ignored" && jshint_information

# using the real jshint instead of the make target to prevent running npm

# install at commit time

$JSHINT_EXECUTABLE $JSHINT_ARGS $js_changed_files

jshint_result=$?

if [ $gjslint_result -ne 0 -o $jshint_result -ne 0 ] ; then

echo "There were errors while linting the files, please see above."

test $jshint_result -ne 0 && jshint_information

exit 1

fi

fi

############################### CSS Lint #####################################

css_changed_files=`git diff --staged --name-only --diff-filter=ACMRT -- apps shared/ | grep '\.css$' | tr '\n' ' '`

if [ -n "$css_changed_files" ]

then

XULRUNNER_SDK=$(make xulrunner_sdk)

XPCSHELL_SDK=$(make xpcshell_sdk)

GAIA_DIR=$(pwd) $XULRUNNER_SDK $XPCSHELL_SDK \

-f build/xpcshell-commonjs.js \

-e "quit(require('csslint').lint('$(pwd)', '$css_changed_files'));"

if [ $? -ne 0 ]

then

echo "There were errors while linting the files, please see above."

exit 1

fi

fi

echo "No errors - committing"