bug#26625: [PATCH] gnu : Add unshield.

[manolis837@gmail.com]

From: Manolis Ragkousis <manolis837@gmail.com>

* gnu/packages/compression.scm (unshield): New variable.
---
 gnu/packages/compression.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/compression.scm b/gnu/packages/compression.scm
index 4793755c2..79029df5f 100644
--- a/gnu/packages/compression.scm
+++ b/gnu/packages/compression.scm
@@ -15,6 +15,7 @@
 ;;; Copyright © 2016 Kei Kebreau <kei@openmailbox.org>
 ;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2017 ng0 <contact.ng0@cryptolab.net>
+;;; Copyright © 2017 Manolis Fragkiskos Ragkousis <manolis837@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -40,6 +41,7 @@
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system perl)
   #:use-module (guix build-system python)
+  #:use-module (guix build-system cmake)
   #:use-module (gnu packages)
   #:use-module (gnu packages assembly)
   #:use-module (gnu packages autotools)
@@ -50,6 +52,7 @@
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages valgrind)
+  #:use-module (gnu packages tls)
   #:use-module (ice-9 match)
   #:use-module ((srfi srfi-1) #:select (last)))
 
@@ -1159,6 +1162,28 @@ or junctions, and always follows hard links.")
                    ;; expat-licenced (or ‘MIT’) code.
                    license:expat))))
 
+(define-public unshield
+  (package
+    (name "unshield")
+    (version "1.4.2")
+    (source
+     (origin (method url-fetch)
+             (uri (string-append "http://github.com/twogood/unshield/archive/"
+                                 version ".tar.gz"))
+             (sha256
+              (base32
+               "0x7ps644yp5dka2zhb8w0ifqmw3d255jafpzfwv8xbcpgq6fmm2x"))))
+    (build-system cmake-build-system)
+    (inputs
+     `(("zlib" ,zlib)
+       ("openssl" ,openssl)))
+    (arguments
+     `(#:tests? #f)) ; no test target
+    (home-page "https://github.com/twogood/unshield")
+    (synopsis "Tool to extract CAB files.")
+    (description "Extracts CAB files from InstallShield installers")
+    (license license:expat)))
+
 (define-public unrar
   (package
     (name "unrar")
-- 
2.12.2