Looping through all local git branch and git pull them each

gitpullalllocal.sh

function gitPullAllLocal() {
    #if there is a passing argument
    if [ -z $1 ]
    then
        GIT_RELATIVE_DIRECTORY="$(pwd)"
    else
        GIT_RELATIVE_DIRECTORY=$1
    fi

    #go to that relative path if exists
    cd ${GIT_RELATIVE_DIRECTORY}

    CURRENT_BRANCH="$(getCurrentBranch)"

    #Checkout develop if detached head
    if [ ${CURRENT_BRANCH} = "(HEAD" ]
    then
        echo 'found detached HEAD gonna checkout develop'
        git checkout develop
        CURRENT_BRANCH="$(getCurrentBranch)"
    fi

    ALL_BRANCH_LIST="$(git branch)" #keep list to a variable
    ALL_BRANCH_LIST="${ALL_BRANCH_LIST//\*/ }" #replace * character. Syntax is ${string//substring/replacement}
    echo "======================================"
    echo "Path: ${GIT_RELATIVE_DIRECTORY}"
    echo "gonna loop through"
    echo "${ALL_BRANCH_LIST}"
    echo "======================================"

    #loop through each local branch, checkout and pull
    for branch in ${ALL_BRANCH_LIST}
    do
        git checkout ${branch}
        git pull origin ${branch}
    done

    #Revert to current branch
    git checkout ${CURRENT_BRANCH}
}