function brew-list-with {
  for package in $(brew list)
  do
    brew info "$package"
  done | grep -B 1 -E '^  Built.*with:'
}

function brew-leaves {
    comm -13 \
    <(
        for package in $(brew list)
        do
            brew deps --include-build "$package"
        done | sort -u
    ) \
    <(brew list | sort)
}

function brew-trim {
    dirty='0'
    for package in $(brew-leaves)
    do
        read -r -p "Uninstall $package [y/N]" uninstall
        if [ "$uninstall" == 'y' ]
        then
            dirty='1'
            brew uninstall "$package"
        fi
    done

    if [ "$dirty" != '0' ]
    then
        echo 'Redoing with the (potentially) new leaves!'
        brew-trim
    fi
}

function brew-reinstall-order {
    for package in $(brew list)
        do
            for dependency in $(brew deps --include-build $package)
            do
                echo "$dependency" "$(brew deps --include-build $dependency | tr '\r\n' ' ')"
            done
        done \
        | awk 'NF == 1 {print $1, $1} NF > 1 {for (n=1; n<=NF; n++) print $1, $n}' \
        | tsort \
        | tail -r
}

function brew-dist-upgrade {
  (
    set +e
    for reinstallable in $(brew-reinstall-order)
    do
      brew reinstall "$reinstallable"
    done
  )
}

function brew-upgrade {
    brew update
    brew outdated
    read -r -p 'Enter to go, ^C to not go'
    (
        set +e
        brew upgrade
        brew cleanup -s
        brew prune
        brew tap --repair
    )
    brew doctor
}