From 613c21bd3191697f3954eba7a79b910bb5164fe5 Mon Sep 17 00:00:00 2001
From: Ben Woodcroft <donttrustben@gmail.com>
Date: Mon, 5 Feb 2018 11:42:19 +0100
Subject: gnu: Add ruby-childprocess.

---
 gnu/packages/ruby.scm | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 189f5f3f63..672e52584e 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -5446,3 +5446,63 @@ percentage, bars of various formats, elapsed time and estimated time remaining.
     (home-page
      "https://github.com/cucumber/event-bus")
     (license license:expat)))
+
+(define-public ruby-childprocess
+  (package
+    (name "ruby-childprocess")
+    (version "0.5.8")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (rubygems-uri "childprocess" version))
+       (sha256
+        (base32
+         "1lv7axi1fhascm9njxh3lx1rbrnsm8wgvib0g7j26v4h1fcphqg0"))))
+    (build-system ruby-build-system)
+    (arguments
+     `(#:tests? #f
+;       #:test-target "spec"
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'check 'remove-dependency-and-patch-path
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "spec/spec_helper.rb"
+               ;; cannot require coveralls otherwise there is a dependency cycle
+               ;; childprocess, coveralls, rest-client, webmock, addressable,
+               ;; rspec-its, aruba, childprocess.
+               ((".*coveralls.*") "")
+               ((".*Coveralls.*") "")
+               ;; patch path to /bin/sh
+               (("/bin/sh") (which "sh"))
+               ;; testing
+               (("; sleep") "; puts \"before_sleep\"; sleep; puts \"after_sleep\"")
+               )
+             (substitute* "lib/childprocess/unix/process.rb"
+               (("send_signal 'TERM'") "puts 'terming'; send_signal 'TERM'")
+               (("send_signal 'KILL'") "puts 'killing'; send_signal 'KILL'")
+               (("return true if @exit_code")
+                "puts \"exit_code: #{@exit_code}\"; p self; return true if @exit_code"))
+             ;; sleep POLL_INTERVAL
+             (substitute* "lib/childprocess/abstract_process.rb"
+               (("sleep POLL_INTERVAL")
+                "puts 'sleeping'; sleep POLL_INTERVAL; puts 'awake'")
+               (("unless ok") "puts \"ok was #{ok} and exited? was #{exited?}\"; unless ok"))
+             #t))
+         ;(replace 'check
+         ;  ;; for testing for ben only
+         ;  (lambda _
+         ;    (zero? (system* "rspec" "spec/childprocess_spec.rb" "-e" "kills
+         ;    the full process tree"))))
+         )))
+    (propagated-inputs
+     `(("ruby-ffi" ,ruby-ffi)))
+    (native-inputs
+     `(("bundler" ,bundler)
+       ("ruby-rspec" ,ruby-rspec)))
+    (synopsis
+     "This gem aims at being a simple and reliable solution for controlling external programs running in the background on any Ruby / OS combination.")
+    (description
+     "This gem aims at being a simple and reliable solution for controlling external programs running in the background on any Ruby / OS combination.")
+    (home-page
+     "http://github.com/jarib/childprocess")
+    (license license:expat)))
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