rstacruz · January 7, 2014 07:56 · Jan 7, 2014
diff --git a/rbenv-sync-binstubs b/rbenv-sync-binstubs
@@ -0,0 +1,34 @@
+#!/usr/bin/env ruby
+#
+# Syncs Ruby binstubs for ruby-communal-gems.
+# Run this everytime you install a new Ruby, or when you install a new gem
+# with a bin/ command. (ie, when you typically do rbenv rehash)
+#
+# See: https://github.com/tpope/rbenv-communal-gems/issues/5
+#
+require 'fileutils'
+
+versions_path = File.expand_path('~/.rbenv/versions')
+prefixes = %w[2.0.0-* 2.1.* 1.9.*]
+debug = ARGV.include?('-d') || ARGV.include?('--debug')
+puts "(running in simulation mode)" if debug
+
+prefixes.each do |prefix|
+  # { 'pry' => '/path/to/pry', ... }
+  bins = Dir["#{versions_path}/#{prefix}/bin/*"].inject({}) do |hash, bin|
+    base = File.basename(bin)
+    hash[base] = bin unless %w[gem ruby irb ri rdoc erb testrb].include?(base)
+    hash
+  end
+
+  Dir["#{versions_path}/#{prefix}"].each do |ver|
+    bins.each do |bin, path|
+      target = ver+'/bin/'+bin
+
+      unless File.exists?(target)
+        puts '+ '+target
+        FileUtils.cp path, target  unless debug
+      end
+    end
+  end
+end