add license headers to all source files

1 files changed, 5 insertions, 0 deletions

diff --git a/Pty.hs b/Pty.hs
index 7b251e7..35910cc 100644
--- a/Pty.hs
+++ b/Pty.hs
@@ -1,3 +1,8 @@
+{- Copyright 2017 Joey Hess <id@joeyh.name>
+ -
+ - Licensed under the GNU AGPL version 3 or higher.
+ -}
+
 module Pty (Pty, runWithPty, readPty, writePty, inRawMode) where
 
 import System.Posix