From f8a418cc2313bc2deda468a115d80fdd3264e29f Mon Sep 17 00:00:00 2001
From: Ben Woodcroft <donttrustben@gmail.com>
Date: Mon, 5 Feb 2018 11:48:31 +0100
Subject: gnu: Add ruby-therubyracer.

---
 gnu/local.mk                                       |  1 +
 .../patches/ruby-therubyracer-fix-gemspec.patch    | 16 ++++++
 gnu/packages/ruby.scm                              | 57 ++++++++++++++++++++++
 3 files changed, 74 insertions(+)
 create mode 100644 gnu/packages/patches/ruby-therubyracer-fix-gemspec.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 77b3575f4a..7bf2c06a72 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1124,6 +1124,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/ruby-rspec-its-remove-rspec-gemspec.patch\
   %D%/packages/patches/ruby-listen-patch-gemspec.patch		\
   %D%/packages/patches/ruby-listen-3.0.8-patch-gemspec.patch	\
+  %D%/packages/patches/ruby-therubyracer-fix-gemspec.patch	\
   %D%/packages/patches/ruby-tzinfo-data-ignore-broken-test.patch\
   %D%/packages/patches/rust-bootstrap-stage0-test.patch		\
   %D%/packages/patches/rust-coresimd-doctest.patch		\
diff --git a/gnu/packages/patches/ruby-therubyracer-fix-gemspec.patch b/gnu/packages/patches/ruby-therubyracer-fix-gemspec.patch
new file mode 100644
index 0000000000..83787192d2
--- /dev/null
+++ b/gnu/packages/patches/ruby-therubyracer-fix-gemspec.patch
@@ -0,0 +1,16 @@
+diff --git a/therubyracer.gemspec b/therubyracer.gemspec
+index 5a6ace7..95e2a27 100644
+--- a/therubyracer.gemspec
++++ b/therubyracer.gemspec
+@@ -8,9 +8,8 @@ Gem::Specification.new do |gem|
+   gem.description   = "Call JavaScript code and manipulate JavaScript objects from Ruby. Call Ruby code and manipulate Ruby objects from JavaScript."
+   gem.homepage      = "http://github.com/cowboyd/therubyracer"
+ 
+-  gem.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
+-  gem.files         = `git ls-files`.split("\n")
+-  gem.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
++  gem.files         = `find . -type f |sort`.split("\n")
++  gem.test_files    = `find spec -type f |sort`.split("\n")
+   gem.name          = "therubyracer"
+   gem.extensions    = ["ext/v8/extconf.rb"]
+   gem.require_paths = ["lib", "ext"]
diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 00ad7e8fc1..9d295457ba 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1428,6 +1428,63 @@ Ruby.")
     (home-page "https://github.com/maik/xml-simple")
     (license license:ruby)))
 
+(define-public ruby-therubyracer
+  (package
+    (name "ruby-therubyracer")
+    (version "0.12.2")
+    (source
+     (origin
+       (method url-fetch)
+       ;; Build from GitHub source so that patches can be applied.
+       (uri (string-append "https://github.com/cowboyd/therubyracer/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0vyiacgg0hngl3gxh7n5lvskac5ms2rcbjrixj4mc8c2adhmqj1a"))
+       (patches (search-patches "ruby-therubyracer-fix-gemspec.patch"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:test-target "spec"
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'extract-gemspec)
+         (add-before 'build 'fix-gemfile
+           (lambda _
+             (substitute* "Gemfile"
+               (("redjs.*") "redjs'\n")
+               ((".*gem-compiler.*") "\n"))
+             #t))
+         (add-before 'install 'prepare-libv8
+           ;; Since therubyracer requires 'libv8' when compiling native
+           ;; extensions during installation, it must be installed into the same
+           ;; gem directory.  We make 'libv8' a native input and copy the entire
+           ;; libv8 gem directory into the the current output and install
+           ;; therubyracer into that.
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+                       (copy-recursively
+                        (assoc-ref inputs "ruby-libv8")
+                        (assoc-ref outputs "out"))
+                       #t))
+         (add-before 'check 'compile
+                     (lambda _
+                       (zero? (system* "rake" "compile")))))))
+    (propagated-inputs
+     `(("ruby-ref" ,ruby-ref)))
+    (native-inputs
+     `(("bundler" ,bundler)
+       ("ruby-redjs" ,ruby-redjs)
+       ("ruby-rspec" ,ruby-rspec-2)
+       ("ruby-rake-compiler" ,ruby-rake-compiler)
+       ("ruby-libv8" ,ruby-libv8)))
+    (synopsis
+     "Call JavaScript code and manipulate JavaScript objects from Ruby. Call Ruby code and manipulate Ruby objects from JavaScript.")
+    (description
+     "Call JavaScript code and manipulate JavaScript objects from Ruby. Call Ruby code and manipulate Ruby objects from JavaScript.")
+    (home-page
+     "http://github.com/cowboyd/therubyracer")
+    (license license:expat)))
+
 (define-public ruby-thor
   (package
     (name "ruby-thor")
-- 
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