Draw dependencies of installed homebrew packages

brewdeps.sh

#!/bin/bash

function dump() {
  echo "digraph homebrew {"
  for pkg in `brew list`; do
    for dep in `brew deps --1 $pkg`; do
      echo "\"$pkg\" -> \"$dep\";"
    done
  done
  echo "}"
}

dump | dot -o brewdeps.png -Tpng