gnu: Add ruby-bio-kseq.

* gnu/packages/bioinformatics.scm (ruby-bio-kseq): New variable.

gnu/packages/bioinformatics.scm

@@ -3926,6 +3926,34 @@ (define-public pardre
     (home-page "https://sourceforge.net/projects/pardre/")
     (license license:gpl3+)))
 
+(define-public ruby-bio-kseq
+  (package
+    (name "ruby-bio-kseq")
+    (version "0.0.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "bio-kseq" version))
+       (sha256
+        (base32
+         "1xyaha46khb5jc6wzkbf7040jagac49jbimn0vcrzid0j8jdikrz"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:test-target "spec"))
+    (native-inputs
+     `(("bundler" ,bundler)
+       ("ruby-rspec" ,ruby-rspec)
+       ("ruby-rake-compiler" ,ruby-rake-compiler)))
+    (inputs
+     `(("zlib" ,zlib)))
+    (synopsis "Ruby bindings for the kseq.h FASTA/Q parser")
+    (description
+     "@code{Bio::Kseq} provides ruby bindings to the @code{kseq.h} FASTA and
+FASTQ parsing code.  It provides a fast iterator over sequences and their
+quality scores.")
+    (home-page "https://github.com/gusevfe/bio-kseq")
+    (license license:expat)))
+
 (define-public bio-locus
   (package
     (name "bio-locus")