2 files changed, 16 insertions, 0 deletions
diff --git a/Library/Homebrew/extend/io.rb b/Library/Homebrew/extend/io.rb
new file mode 100644
index 000000000..1357293cd
--- /dev/null
+++ b/Library/Homebrew/extend/io.rb
@@ -0,0 +1,10 @@
+class IO
+  def readline_nonblock(sep = $INPUT_RECORD_SEPARATOR)
+    buffer = ""
+    buffer.concat(read_nonblock(1)) while buffer[-1] != sep
+    buffer
+  rescue IO::WaitReadable, EOFError => e
+    raise e if buffer.empty?
+    buffer
+  end
+end
diff --git a/Library/Homebrew/extend/optparse.rb b/Library/Homebrew/extend/optparse.rb
new file mode 100644
index 000000000..784d6d699
--- /dev/null
+++ b/Library/Homebrew/extend/optparse.rb
@@ -0,0 +1,6 @@
+require "optparse"
+require "pathname"
+
+OptionParser.accept Pathname do |path|
+  Pathname(path).expand_path if path
+end