[bug#41036] ruby: Add 2.7.3.

[Ryan Prior via Guix-patches via <guix-patches@gnu.org>]

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This patch adds Ruby 2.7.3, the latest release.

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From 0c10fb29338bc118c3fa442615aa6217960bb03b Mon Sep 17 00:00:00 2001
From: Ryan Prior <rprior@protonmail.com>
Date: Sat, 2 May 2020 18:17:00 -0500
Subject: [PATCH] gnu: Add ruby-2.7.

---
 gnu/packages/ruby.scm | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 4d6d323442..67f344301c 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -128,6 +128,48 @@ a focus on simplicity and productivity.")
     (home-page "https://www.ruby-lang.org")
     (license license:ruby)))
 
+(define-public ruby-2.7
+  (package
+    (inherit ruby)
+    (version "2.7.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://cache.ruby-lang.org/pub/ruby/"
+                           (version-major+minor version)
+                           "/ruby-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0674x98f542y02r7n2yv2qhmh97blqhi2mvh2dn5f000vlxlh66l"))
+       (modules '((guix build utils)))
+       (snippet `(begin
+                   ;; Remove bundled libffi
+                   (delete-file-recursively "ext/fiddle/libffi-3.2.1")
+                   #t))))
+    (arguments
+     `(#:test-target "test"
+       #:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'replace-bin-sh-and-remove-libffi
+           (lambda _
+             (substitute* '("configure.ac"
+                            "template/Makefile.in"
+                            "lib/rubygems/installer.rb"
+                            "ext/pty/pty.c"
+                            "io.c"
+                            "lib/mkmf.rb"
+                            "process.c"
+                            "test/rubygems/test_gem_ext_configure_builder.rb"
+                            "test/rdoc/test_rdoc_parser.rb"
+                            "test/ruby/test_rubyoptions.rb"
+                            "test/ruby/test_process.rb"
+                            "test/ruby/test_system.rb"
+                            "tool/rbinstall.rb")
+               (("/bin/sh") (which "sh")))
+             #t)))))
+    (native-inputs
+     `(("autoconf" ,autoconf)))))
+
 (define-public ruby-2.4
   (package
     (inherit ruby)
-- 
2.17.1