[PATCH] gnu: Add ruby-rack.

[David Thompson]

>From a740a5ca98c02bd0e9c792677dfc8ff8464c8365 Mon Sep 17 00:00:00 2001
From: David Thompson <address@hidden>
Date: Fri, 4 Sep 2015 16:47:52 -0400
Subject: [PATCH] gnu: Add ruby-rack.

* gnu/packages/ruby.scm (ruby-rack): New variable.
---
 gnu/packages/ruby.scm | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 9bfa14c..906b6eb 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1072,3 +1072,40 @@ build on.  It provides breakpoint handling and bindings 
for stack frames among
 other things and it comes with a command line interface.")
     (home-page "http://github.com/deivid-rodriguez/byebug";)
     (license license:bsd-3)))
+
+(define-public ruby-rack
+  (package
+    (name "ruby-rack")
+    (version "1.6.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "rack" version))
+       (sha256
+        (base32
+         "09bs295yq6csjnkzj7ncj50i6chfxrhmzg1pk6p0vd2lb9ac8pj5"))))
+    (build-system ruby-build-system)
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'fix-tests
+           (lambda _
+             ;; A few of the tests use the length of a file on disk for
+             ;; Content-Length and Content-Range headers.  However, this file
+             ;; has a shebang in it which an earlier phase patches, growing
+             ;; the file size from 193 to 239 bytes.
+             (substitute* '("test/spec_file.rb")
+               (("193") "239")
+               ;; Adjust by 46 bytes to accomodate patched shebang.
+               (("bytes(.)22-33" all delimiter)
+                (string-append "bytes" delimiter "68-79")))
+             #t)))))
+    (native-inputs
+     `(("ruby-bacon" ,ruby-bacon)))
+    (synopsis "Unified web application interface for Ruby")
+    (description "Rack provides a minimal, modular and adaptable interface for
+developing web applications in Ruby.  By wrapping HTTP requests and responses,
+it unifies the API for web servers, web frameworks, and software in between
+into a single method call.")
+    (home-page "http://rack.github.io/";)
+    (license license:expat)))
-- 
2.5.0

-- 
David Thompson
GPG Key: 0FF1D807