Git Pre-Commit shell script hook that executes Grunt tasks for JSHint && Karma Unit Tests before committing. Currently setup to change the directory as first step to the dir with your Gruntfile.js. Also adds PATH to grunt executable to current shell's PATH.

git-pre-commit-jshint-karma-unit

#!/bin/sh
#
# Pre-commit hooks

######################################################################
# Environment Setup
# 1) Change directory to build dir so we can run grunt tasks.
# 2) Make sure path is extended to include grunt task executable
#    dir, as this commit shell is executed in the git
#    client's own shell; ie Tower and WebStorm have own shell path.
######################################################################
cd build

PATH=$PATH:~/usr/local/bin
PATH=$PATH:/usr/local/bin

######################################################################
# JSHint: Lint stuff before committing
######################################################################
grunt jshint
EXIT_CODE=$?
# echo ${EXIT_CODE}
if [[ ${EXIT_CODE} -ne 0 ]]; then
    echo "[ERRROR] code = " ${EXIT_CODE}
    echo "JSHint detected syntax problems."
    echo "Commit aborted."
    exit 1
else
	echo "JSHint completed successfully\n"
fi

######################################################################
# Unit Tests: Run unit tests/specs before committing
######################################################################
grunt karma:continuous
EXIT_CODE=$?
if [[ ${EXIT_CODE} -ne 0 ]]; then
    echo "[ERRROR] code = " ${EXIT_CODE}
    echo "Karma Unit Tests failed."
    echo "Commit aborted."
    exit 1
else
	echo "Karma Unit Tests completed successfully\n"
fi

exit 0