From e52a8254dc2a4ceb23a087b77f2a8e12cd610dd7 Mon Sep 17 00:00:00 2001
From: Ben Woodcroft <donttrustben@gmail.com>
Date: Mon, 5 Feb 2018 11:59:20 +0100
Subject: gnu: Add ruby-coffee-rails.

---
 gnu/local.mk                                       |  1 +
 .../patches/ruby-coffee-rails-fix-rakefile.patch   | 20 ++++++++++++++
 gnu/packages/rails.scm                             | 31 ++++++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 gnu/packages/patches/ruby-coffee-rails-fix-rakefile.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 5e9961d212..a6c04107d6 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1077,6 +1077,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/rpcbind-CVE-2017-8779.patch		\
   %D%/packages/patches/rsem-makefile.patch			\
   %D%/packages/patches/rtags-separate-rct.patch			\
+  %D%/packages/patches/ruby-coffee-rails-fix-rakefile.patch	\
   %D%/packages/patches/ruby-rubygems-276-for-ruby24.patch	\
   %D%/packages/patches/ruby-concurrent-ignore-broken-test.patch	\
   %D%/packages/patches/ruby-concurrent-test-arm.patch		\
diff --git a/gnu/packages/patches/ruby-coffee-rails-fix-rakefile.patch b/gnu/packages/patches/ruby-coffee-rails-fix-rakefile.patch
new file mode 100644
index 0000000000..bd98812da7
--- /dev/null
+++ b/gnu/packages/patches/ruby-coffee-rails-fix-rakefile.patch
@@ -0,0 +1,20 @@
+diff --git a/Rakefile b/Rakefile
+index ae682dc..fdf146d 100644
+--- a/Rakefile
++++ b/Rakefile
+@@ -13,12 +13,12 @@ end
+ task default: :test
+ 
+ specname = "coffee-rails.gemspec"
+-deps = `git ls-files`.split("\n") - [specname]
++deps = `find . -type f -print0 |sort`.split("\n") - [specname]
+ 
+ file specname => deps do
+   files       = ["CHANGELOG.md", "MIT-LICENSE", "README.md"] + `git ls-files -- lib`.split("\n")
+-  test_files  = `git ls-files -- {test,spec,features}/*`.split("\n")
+-  executables = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
++  test_files  = `ls test/*`.split("\n")
++  executables = []
+ 
+   require 'erb'
+ 
diff --git a/gnu/packages/rails.scm b/gnu/packages/rails.scm
index 3db9be3855..e8b7620b9b 100644
--- a/gnu/packages/rails.scm
+++ b/gnu/packages/rails.scm
@@ -20,6 +20,7 @@
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix download)
   #:use-module (guix packages)
+  #:use-module (gnu packages)
   #:use-module (gnu packages ruby)
   #:use-module (guix build-system ruby))
 
@@ -409,3 +410,33 @@ API.")
      "Sass adapter for the Rails asset pipeline.")
     (home-page "https://github.com/rails/sass-rails")
     (license license:expat)))
+
+(define-public ruby-coffee-rails
+  (package
+    (name "ruby-coffee-rails")
+    (version "4.2.1")
+    (source
+     (origin
+       (method url-fetch)
+       ;; Tests are not distributed at rubygems.org so download from GitHub
+       ;; instead.
+       (uri (string-append "https://github.com/rails/coffee-rails/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0a7cac67n1ndky3n8b1vdrdq67cahq6sn76saiw5xgzd296b3zjy"))
+       (patches (search-patches "ruby-coffee-rails-fix-rakefile.patch"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:tests? #f)) ; Tests require rails, disable to precent circular dependency.
+    (propagated-inputs
+     `(("ruby-coffee-script" ,ruby-coffee-script)
+       ("ruby-railties" ,ruby-railties)))
+    (synopsis
+     "CoffeeScript adapter for the Rails asset pipeline.")
+    (description
+     "CoffeeScript adapter for the Rails asset pipeline.")
+    (home-page
+     "https://github.com/rails/coffee-rails")
+    (license license:expat)))
-- 
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