Merge pull request #56 from monora/bambooengineering-add-license-to-g…

…emspec

Bambooengineering add license to gemspec

.travis.yml

@@ -17,7 +17,7 @@ rvm:
   - 2.6
   - 2.7
   - ruby-head
-  - jruby
+  - jruby-9.1.9.0
   - jruby-head
 
 before_install:

LICENSE

@@ -0,0 +1,56 @@
+Ruby is copyrighted free software by Yukihiro Matsumoto <[email protected]>.
+You can redistribute it and/or modify it under either the terms of the
+2-clause BSDL (see the file BSDL), or the conditions below:
+
+  1. You may make and give away verbatim copies of the source form of the
+     software without restriction, provided that you duplicate all of the
+     original copyright notices and associated disclaimers.
+
+  2. You may modify your copy of the software in any way, provided that
+     you do at least ONE of the following:
+
+       a) place your modifications in the Public Domain or otherwise
+          make them Freely Available, such as by posting said
+	  modifications to Usenet or an equivalent medium, or by allowing
+	  the author to include your modifications in the software.
+
+       b) use the modified software only within your corporation or
+          organization.
+
+       c) give non-standard binaries non-standard names, with
+          instructions on where to get the original software distribution.
+
+       d) make other distribution arrangements with the author.
+
+  3. You may distribute the software in object code or binary form,
+     provided that you do at least ONE of the following:
+
+       a) distribute the binaries and library files of the software,
+	  together with instructions (in the manual page or equivalent)
+	  on where to get the original distribution.
+
+       b) accompany the distribution with the machine-readable source of
+	  the software.
+
+       c) give non-standard binaries non-standard names, with
+          instructions on where to get the original software distribution.
+
+       d) make other distribution arrangements with the author.
+
+  4. You may modify and include the part of the software into any other
+     software (possibly commercial).  But some files in the distribution
+     are not written by the author, so that they are not under these terms.
+
+     For the list of those files and their copying conditions, see the
+     file LEGAL.
+
+  5. The scripts and library files supplied as input to or produced as
+     output from the software do not automatically fall under the
+     copyright of the software, but belong to whomever generated them,
+     and may be sold commercially, and may be aggregated with this
+     software.
+
+  6. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR
+     IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+     WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+     PURPOSE.

README.md

@@ -262,5 +262,5 @@ See also http://github.com/monora/rgl/contributors.
 ## Copying
 
 RGL is Copyright (c) 2002,2004,2005,2008,2013,2015,2019 by Horst Duchene. It is
-free software, and may be redistributed under the terms specified in the
-README file of the Ruby distribution.
+free software, and may be redistributed under the [Ruby license](https://en.wikipedia.org/wiki/Ruby_License) and terms specified in the
+[COPYING](https://github.com/ruby/ruby/blob/master/COPYING) file of the Ruby language distribution.

rgl.gemspec

@@ -6,6 +6,7 @@ Gem::Specification.new do |s|
   s.version = RGL_VERSION
   s.summary = "Ruby Graph Library"
   s.description = "RGL is a framework for graph data structures and algorithms"
+  s.license = "ruby"
 
   #### Dependencies and requirements.