gnu: Add libisofs.

* gnu/packages/cdrom.scm (libisofs): New variable.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/packages/cdrom.scm

@@ -717,3 +717,32 @@ (define-public libburn
 Supported media are: CD-R, CD-RW, DVD-RAM, DVD+RW, DVD+R, DVD+R/DL,
 DVD-RW, DVD-R, DVD-R/DL, BD-R, and BD-RE.")
     (license gpl2)))
+
+(define-public libisofs
+  (package
+    (name "libisofs")
+    (version "1.4.6")
+    (source (origin
+             (method url-fetch)
+             (uri (string-append "http://files.libburnia-project.org/releases/"
+                                 "libisofs-" version ".tar.gz"))
+             (sha256
+              (base32
+               "02m5g6lbmmkh2xc5xzq5zaf3ma6v31gls66aj886b3cq9qw0paql"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("zlib" ,zlib)
+       ("acl" ,acl)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (home-page "https://dev.lovelyhq.com/libburnia/libisofs")
+    (synopsis "Library to create ISO 9660 images")
+    (description
+     "Libisofs creates ISO 9660 (also known as ECMA-119) filesystem images
+which can either be written to POSIX file objects or handed over to
+libburn for being written directly to optical media.
+It can read metadata of ISO 9660 filesystems, manipulate them, and use them
+to produce new complete filesystem images or add-on images to be appended
+to the read filesystem image.
+Supported extensions to ISO 9660 are Rock Ridge, Joliet, AAIP, zisofs.")
+    (license gpl2+)))