gnu: Add swaks.

* gnu/packages/mail.scm (swaks): New variable.

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu/packages/mail.scm

@@ -17,7 +17,7 @@
 ;;; Copyright © 2016 Troy Sankey <sankeytms@gmail.com>
 ;;; Copyright © 2016, 2017 <contact.ng0@cryptolab.net>
 ;;; Copyright © 2016 Clément Lassieur <clement@lassieur.org>
-;;; Copyright © 2016 Arun Isaac <arunisaac@systemreboot.net>
+;;; Copyright © 2016, 2017 Arun Isaac <arunisaac@systemreboot.net>
 ;;; Copyright © 2016 John Darrington <jmd@gnu.org>
 ;;; Copyright © 2016 Marius Bakke <mbakke@fastmail.com>
 ;;; Copyright © 2017 Thomas Danckaert <post@thomasdanckaert.be>
@@ -2093,3 +2093,52 @@ (define-public blists
 are supported).  @code{bit} is a CGI/SSI program that generates web pages
 on the fly.  Both programs are written in C and are very fast.")
     (license license:expat)))
+
+(define-public swaks
+  (package
+    (name "swaks")
+    (version "20170101.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "http://jetmore.org/john/code/swaks/files/swaks-"
+             version ".tar.gz"))
+       (sha256
+        (base32
+         "0pli4mlhasnqqxmmxalwyg3x7n2vhcbgsnp2xgddamjavv82vrl4"))))
+    (build-system perl-build-system)
+    (inputs
+     `(("perl-net-dns" ,perl-net-dns)
+       ("perl-net-ssleay" ,perl-net-ssleay)))
+    (arguments
+     `(#:tests? #f ; No tests
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (replace 'build
+           (lambda _
+             (zero? (system* "pod2man" "doc/ref.pod" "swaks.1"))))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let ((out (assoc-ref outputs "out")))
+               (install-file "swaks" (string-append out "/bin"))
+               (install-file "swaks.1" (string-append out "/share/man/man1")))
+             #t))
+         (add-after 'install 'wrap-program
+           (lambda* (#:key outputs #:allow-other-keys)
+             (wrap-program (string-append (assoc-ref outputs "out")
+                                          "/bin/swaks")
+               `("PERL5LIB" ":" = (,(getenv "PERL5LIB"))))
+             #t)))))
+    (home-page "http://jetmore.org/john/code/swaks/")
+    (synopsis "Featureful SMTP test tool")
+    (description "Swaks is a flexible, scriptable, transaction-oriented SMTP
+test tool.  It handles SMTP features and extensions such as TLS,
+authentication, and pipelining; multiple versions of the SMTP protocol
+including SMTP, ESMTP, and LMTP; and multiple transport methods including
+unix-domain sockets, internet-domain sockets, and pipes to spawned processes.
+Options can be specified in environment variables, configuration files, and
+the command line allowing maximum configurability and ease of use for
+operators and scripters.")
+    (license gpl2+)))