gnu: Add reptyr.

* gnu/packages/screen.scm (reptyr): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu/packages/screen.scm

@@ -3,6 +3,7 @@
 ;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016 Alex Griffin <a@ajgrf.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -142,3 +143,30 @@ (define-public byobu
 configuration utilities, and system status notifications for the GNU Screen
 window manager as well as the Tmux terminal multiplexer.")
     (license gpl3+)))
+
+(define-public reptyr
+  (package
+    (name "reptyr")
+    (version "0.6.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/nelhage/reptyr/archive"
+                           "/reptyr-" version ".tar.gz"))
+       (sha256
+        (base32
+         "07pfl0rkgm8m3f3jy8r9l2yvnhf8lgllpsk3mh57mhzdxq8fagf7"))))
+    (build-system gnu-build-system)
+    (arguments
+     '(#:tests? #f ; no tests
+       #:make-flags (list "CC=gcc"
+                          (string-append "PREFIX=" %output))
+       #:phases (modify-phases %standard-phases (delete 'configure))))
+    (home-page "https://github.com/nelhage/reptyr")
+    (synopsis "Tool for reparenting a running program to a new terminal")
+    (description
+     "reptyr is a utility for taking an existing running program and attaching
+it to a new terminal.  Started a long-running process over @code{ssh}, but have
+to leave and don't want to interrupt it?  Just start a @code{screen}, use
+reptyr to grab it, and then kill the @code{ssh} session and head on home.")
+    (license expat)))