[bug#30689] [PATCH 08/39] gnu: Add ruby-mysql2.

[Christopher Baines]

Required for ruby-parallel.

* gnu/packages/ruby.scm (ruby-mysql2): New variable.
---
 gnu/packages/ruby.scm | 45 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

diff --git a/gnu/packages/ruby.scm b/gnu/packages/ruby.scm
index 19c0734fc9..c202b5770d 100644
--- a/gnu/packages/ruby.scm
+++ b/gnu/packages/ruby.scm
@@ -1938,6 +1938,51 @@ specs for Ruby implementations in ruby/spec.")
     (home-page "http://rubyspec.org";)
     (license license:expat)))
 
+(define-public ruby-mysql2
+  (package
+    (name "ruby-mysql2")
+    (version "0.5.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/brianmario/mysql2.git";)
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "11lvfgc2rmvkm52jp0nbi6pvhk06klznghr7llldfw8basl9n5wv"))))
+    (build-system ruby-build-system)
+    (arguments
+     '(;; TODO: Tests require a running MySQL/MariaDB service
+       #:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'replace-git-ls-files
+           (lambda _
+             (substitute* "mysql2.gemspec"
+               (("git ls-files") "echo"))))
+         (add-before 'build 'compile
+           (lambda _
+             (invoke "rake" "compile")))
+         (replace 'check
+           (lambda* (#:key tests? #:allow-other-keys)
+             (when tests?
+               (invoke "rspec" "-Ilib" "-Iext"))
+             #t)))))
+    (inputs
+     `(("mariadb" ,mariadb)
+       ("zlib" ,zlib)))
+    (native-inputs
+     `(("ruby-rspec" ,ruby-rspec)
+       ("ruby-rake-compiler" ,ruby-rake-compiler)))
+    (synopsis "MySQL library for Ruby, binding to libmysql")
+    (description
+     "This package provides a simple, fast MySQL library for Ruby, binding to
+libmysql.")
+    (home-page "https://github.com/brianmario/mysql2";)
+    (license license:expat)))
+
 (define-public ruby-blankslate
   (package
     (name "ruby-blankslate")
-- 
2.20.1