Bump puppet module version with git-flow plugin

bump_module_version.sh

# add this fuction to your .bashrc or .zshrc

# REQUIRES:
# * git
# * git flow plugin (https://github.com/nvie/gitflow)

# bump_module_version
# This function will:
#  1. calculate your next patch version
#  2. open a release branch
#  3. update your metadata.json with the new version
#  4. close the release branch
#  5. push changes to master, develop and tags
function bump_module_version(){
    if [ -f metadata.json ]; then
        BASE_STRING="$(cat metadata.json | grep \"version\": | awk -F\" '{print $4}')"

        BASE_LIST=(`echo $BASE_STRING | tr '.' ' '`)

        V_MAJOR=${BASE_LIST[1]}
        V_MINOR=${BASE_LIST[2]}
        V_PATCH=${BASE_LIST[3]}
        echo "Current version : $BASE_STRING"
        V_PATCH=$((V_PATCH + 1))
        NEW_VERSION="$V_MAJOR.$V_MINOR.$V_PATCH"

        git flow release start $NEW_VERSION

        sed -i '' "s/\"version\": \"$BASE_STRING\"/\"version\": \"$NEW_VERSION\"/" metadata.json

        git add metadata.json

        git commit -am "Bump version to $NEW_VERSION"

        git flow release finish $NEW_VERSION

        git checkout develop

        git push origin develop

        git checkout master

        git push origin master

        git push --tags origin

        git checkout develop

    fi
}