A script to symlink Homebrew into /usr/local

This is a developer utility, to allow you to keep your git clone in
eg. your home directory, but still have Homebrew installed to
/usr/local.

It is an optional utility having the whole checkout at /usr/local
is the default and recommended solution.

Library/Contributions/selflink.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+mode=$1
+if [[ -z $mode ]]; then
+    mode="install"
+fi
+
+source_base=`pwd`
+
+if [[ $mode == install ]]; then
+    ln -s "$source_base/bin/brew" "/usr/local/bin/brew";
+    ln -s "$source_base/Library" "/usr/local/Library";
+    ln -s "$source_base/Cellar" "/usr/local/Cellar";
+elif [[ $mode == undo ]]; then 
+    rm "/usr/local/bin/brew"
+    rm "/usr/local/Library"
+    rm "/usr/local/Cellar"
+else
+    echo "Unknown command: $mode";
+    echo "\tselflink.sh [install] >> symlinks to /usr/local"
+    echo "\tselflink.sh undo >> removes symlinks from /usr/local"
+fi