brewcask-upgrade

###########
# Adds "upgrade" to `brew cask`.  Accepts "--greedy" as an option.  Just delegates to "reinstall"
#
#!/bin/bash
set -o pipefail
source /etc/profile

GREEDY=""
if [ "${1}" == "--greedy" ]; then GREEDY="${1}"; shift; fi

if [ $# -eq 0 ]; then
    ARGS=($(brew cask outdated ${GREEDY} --verbose | grep -v '(latest)' | cut -d' ' -f1))
else
    ARGS=("$@")
fi

if [ ${#ARGS[@]} -gt 0 ]; then
    echo "Upgrading casks ${ARGS[@]}..."
    brew cask reinstall "${ARGS[@]}"
fi