[ruby/find] Expose Find::VERSION

https://github.com/ruby/find/commit/a24124a08a

lib/find.gemspec

@@ -1,6 +1,13 @@
+name = File.basename(__FILE__, ".gemspec")
+version = ["lib", Array.new(name.count("-")+1, "..").join("/")].find do |dir|
+  break File.foreach(File.join(__dir__, dir, "#{name.tr('-', '/')}.rb")) do |line|
+    /^\s*VERSION\s*=\s*"(.*)"/ =~ line and break $1
+  end rescue nil
+end
+
 Gem::Specification.new do |spec|
-  spec.name          = "find"
-  spec.version       = "0.1.1"
+  spec.name          = name
+  spec.version       = version
   spec.authors       = ['Kazuki Tsujimoto']
   spec.email         = ['kazuki@callcc.net']
 

lib/find.rb

@@ -27,6 +27,8 @@
 #
 module Find
 
+  VERSION = "0.1.1"
+
   #
   # Calls the associated block with the name of every file and directory listed
   # as arguments, then recursively on their subdirectories, and so on.