Tab completion for tapped formulae

So you can do e.g.

    $ brew install adamv<TAB>
    Display all 106 possibilities? (y or n)
    $ brew install adamv/alt/openss<TAB>
    adamv/alt/openssh     adamv/alt/openssl098  adamv/alt/openssl100

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/Library/Contributions/brew_bash_completion.sh b/Library/Contributions/brew_bash_completion.sh
index 313517e4a..d11379064 100644
--- a/Library/Contributions/brew_bash_completion.sh
+++ b/Library/Contributions/brew_bash_completion.sh
@@ -82,7 +82,15 @@ __brew_complete_formulae ()
     local cur="${COMP_WORDS[COMP_CWORD]}"
     local ff=$(\ls $(brew --repository)/Library/Formula 2>/dev/null | sed 's/\.rb//g')
     local af=$(\ls $(brew --repository)/Library/Aliases 2>/dev/null | sed 's/\.rb//g')
-    COMPREPLY=($(compgen -W "$ff $af" -- "$cur"))
+    local tf tap
+
+    for dir in $(\ls $(brew --repository)/Library/Taps 2>/dev/null); do
+        tap="$(echo "$dir" | sed 's|-|/|g')"
+        tf="$tf $(\ls -1R "$(brew --repository)/Library/Taps/$dir" 2>/dev/null |
+                  grep '.\+.rb' | sed -E 's|(.+)\.rb|'"${tap}"'/\1|g')"
+    done
+
+    COMPREPLY=($(compgen -W "$ff $af $tf" -- "$cur"))
 }
 
 __brew_complete_installed ()