Git post checkout

post-checkout

#!/bin/bash

# Put this file at: .git/hooks/post-checkout
# and make it executable
# You can install it system wide too, see http://stackoverflow.com/a/2293578/685587

PREV_COMMIT=$1
POST_COMMIT=$2

NOCOLOR='\033[0m'
REDCOLOR='\033[37;41m'

if [[ -f composer.lock ]]; then
    DIFF=`git diff --shortstat ${PREV_COMMIT}..${POST_COMMIT} composer.lock`
    if [[ $DIFF != "" ]]; then
        echo -e "${REDCOLOR}composer.lock has changed. You must run composer install${NOCOLOR}"
    fi
fi