added precommit hook

Author: sdevalapurkar

scripts/install-hooks.bash

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+GIT_DIR=$(git rev-parse --git-dir)
+
+echo "Installing hooks..."
+# this command creates symlink to our pre-commit script
+ln -s ../../scripts/pre-commit.bash $GIT_DIR/hooks/pre-commit
+echo "Done!

scripts/pre-commit.bash

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# save the file as <git_directory>/.git/hooks/pre-commit
+
+echo "Running Maven clean installl for build errors"
+# retrieving current working directory
+CWD=`pwd`
+MAIN_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+# go to main project dir
+cd $MAIN_DIR/../../
+# running maven clean install
+mvn clean install
+if [ $? -ne 0 ]; then
+  "Error while testing the code"
+  # go back to current working dir
+  cd $CWD
+  exit 1
+fi
+# go back to current working dir
+cd $CWD

scripts/run-tests.bash

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# if any command inside script returns error, exit and return that error 
+set -e
+
+# magic line to ensure that we're always inside the root of our application,
+# no matter from which directory we'll run script
+# thanks to it we can just enter `./scripts/run-tests.bash`
+cd "${0%/*}/.."
+
+# let's fake failing test for now 
+echo "Running tests"
+echo "............................" 
+echo "Failed!" && exit 1