Modify version upgrade script

}

# It must check for dev or hotfix* branch and bump the version only when current branch is dev or hotfix.

branch=$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')

if [[ ${branch} = "dev" ]] || [[ ${branch} = hotfix* ]]; then

git diff-index --quiet HEAD

if [[ $? == 1 ]] ; then

    echo -e "${WARNING_FLAG} Working tree must be empty before bumping the version."

    exit 1

fi

do_version_upgrade $1

else

    echo -e "${ERROR_FLAG} Can only be used on dev or hotfix branch."

    exit 1

fi