Git post-receive hook to rebase dev branch onto master (if no changes have been made to the working copy)

post-receive

#!/bin/bash

cd ..
GIT_DIR='.git'

while read oldrev newrev ref
do
    if [ "$ref" != "refs/heads/dev" ]
    then
        echo -e "\e[33mPushed branch isn't 'dev'. Skipping rebase dev->master.\e[0m"
        exit 1
    fi
done


if ! git diff --quiet
then
    echo -e "\e[31mWorking copy has been changed:\e[0m"
    git status
    exit 1
fi

if git rebase dev master
then
    echo -e "\e[32mSuccessfully rebased 'dev' onto 'master'.\e[0m"
else
    echo -e "\e[31mRebasing 'dev' onto 'master' failed.\e[0m"
fi