update-vagrant-boxes.sh

#!/bin/bash

# Purpose: Updates all installed vagrant boxes and purges outdated versions

function update_vagrant_boxes {
    OLDIFS=$IFS
    export IFS=$'\n'

    # Find all boxes which have updates
    AVAILABLE_UPDATES=$(vagrant box outdated --global | grep outdated | tr -d "*'" | cut -d ' ' -f 2 2>/dev/null)

    if [[ ${#AVAILABLE_UPDATES[@]} -ne 0 ]]; then
        while read box; do
            echo "Found an update for ${box}"
            # Find all current versions
            boxinfo=$(vagrant box list | grep ${box})
            while read boxtype; do
                provider=$(echo ${boxtype} | awk -F\( '{print $2}' | awk -F\, '{print $1}')
                version=$(echo ${boxtype} | cut -d ',' -f 2 | tr -d ' )')
                # Add latest version
                vagrant box add --clean "${box}" --provider "${provider}"
                BOX_UPDATED="TRUE"
            done <<< ${boxinfo}
        done <<< ${AVAILABLE_UPDATES}
        echo "All boxes are now up to date! Pruning..."
        # Remove all old versions
        vagrant box prune -f
    else
        echo "All boxes are already up to date!"
    fi
    vagrant box outdated --global
    export IFS=$OLDIFS
}

update_vagrant_boxes