gnu: Add pan.

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

gnu/packages/mail.scm

@@ -108,7 +108,7 @@ (define-module (gnu packages mail)
   #:use-module (gnu packages xorg)
   #:use-module (gnu packages docbook)
   #:use-module ((guix licenses)
-                #:select (gpl2 gpl2+ gpl3 gpl3+ lgpl2.1 lgpl2.1+ lgpl3+
+                #:select (fdl1.1+ gpl2 gpl2+ gpl3 gpl3+ lgpl2.1 lgpl2.1+ lgpl3+
                            non-copyleft (expat . license:expat) bsd-3
                            public-domain bsd-4 isc (openssl . license:openssl)
                            bsd-2 x11-style agpl3 asl2.0 perl-license))
@@ -2464,3 +2464,51 @@ (define-public afew
 can add tags based on email headers or Maildir folders and can handle spam and
 killed threads.")
     (license isc)))
+
+(define-public pan
+  (package
+    (name "pan")
+    (version "0.144")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://pan.rebelbase.com/download/releases/"
+                           version "/source/" name "-" version ".tar.bz2"))
+       (sha256
+        (base32
+         "0l07y75z8jxhbmfv28slw81gjncs7i89x7fq44zif7xhq5vy7yli"))))
+    (arguments
+     `(#:configure-flags '("--with-gtk3" "--with-gtkspell" "--with-gnutls"
+                           "--enable-libnotify" "--enable-manual"
+                           "--enable-gkr")
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'patch-gpg2
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "pan/usenet-utils/gpg.cc"
+               (("\"gpg2\"") (string-append "\""
+                                            (assoc-ref inputs "gnupg")
+                                            "/bin/gpg\"")))
+             #t)))))
+    (inputs
+     `(("gmime" ,gmime)
+       ("gnupg" ,gnupg)
+       ("gnutls" ,gnutls)
+       ("gtk+" ,gtk+)
+       ("gtkspell3" ,gtkspell3)
+       ("libnotify" ,libnotify)
+       ("libsecret" ,libsecret)
+       ("libxml2" ,libxml2)
+       ("zlib" ,zlib)))
+    (native-inputs
+     `(("gettext-minimal" ,gettext-minimal)
+       ("itstool" ,itstool)
+       ("pkg-config" ,pkg-config)))
+    (build-system gnu-build-system)
+    (home-page "http://pan.rebelbase.com/")
+    (synopsis "Pan newsreader")
+    (description "@code{pan} is a Usenet newsreader that's good at both text
+and binaries. It supports offline reading, scoring and killfiles, yEnc, NZB,
+PGP handling, multiple servers, and secure connections.")
+    ;; License of the docs: fdl-1.1; Others: gpl2.
+    (license (list fdl1.1+ gpl2))))