gnu: Add ruby-httpclient.

* gnu/packages/ruby.scm (ruby-httpclient): New variable.

gnu/packages/ruby.scm

@@ -3579,6 +3579,57 @@ It has built-in support for the legacy @code{cookies.txt} and
     (home-page "https://github.com/sparklemotion/http-cookie")
     (license license:expat)))
 
+(define-public ruby-httpclient
+  (package
+    (name "ruby-httpclient")
+    (version "2.8.3")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "httpclient" version))
+       (sha256
+        (base32
+         "19mxmvghp7ki3klsxwrlwr431li7hm1lczhhj8z4qihl2acy8l99"))))
+    (build-system ruby-build-system)
+    (arguments
+     '(;; TODO: Some tests currently fail
+       ;; ------
+       ;; 211 tests, 729 assertions, 13 failures, 4 errors, 0 pendings,
+       ;; 2 omissions, 0 notifications
+       ;; 91.866% passed
+       ;; ------
+       ;; 6.49 tests/s, 22.41 assertions/s
+       #:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'check
+           (lambda* (#:key tests? #:allow-other-keys)
+             (if tests?
+                 (zero?
+                  (system* "ruby"
+                           "-Ilib"
+                           "test/runner.rb"))
+                 #t)))
+         (add-after 'install 'wrap-bin-httpclient
+           (lambda* (#:key outputs #:allow-other-keys)
+             (wrap-program (string-append (assoc-ref outputs "out")
+                                          "/bin/httpclient")
+               `("GEM_HOME" ":" prefix (,(getenv "GEM_HOME"))))
+             #t)))))
+    (native-inputs
+     `(("ruby-rack" ,ruby-rack)))
+    (synopsis
+     "Make HTTP requests with support for HTTPS, Cookies, authentication and more")
+    (description
+     "The @code{httpclient} ruby library provides functionality related to
+HTTP.  Compared to the @code{net/http} library, @{httpclient} also provides
+Cookie, multithreading and authentication (digest, NTLM) support.
+
+Also provided is a @command{httpclient} command, which can perform HTTP
+requests either using arguments or with an interactive prompt.")
+    (home-page "https://github.com/nahi/httpclient")
+    (license license:ruby)))
+
 (define-public ruby-ansi
   (package
     (name "ruby-ansi")