Copied Rakefile, gemspec, and changelog stuff from Nice-FFI.

Rakefile

@@ -37,9 +37,134 @@ require 'rake'
 
 require 'rake/gempackagetask'
 
-# Load ffi-sdl.gemspec, which defines $gemspec.
-load File.join( File.dirname(__FILE__), "ffi-sdl.gemspec" )
+# Load ruby-sdl-ffi.gemspec, which defines $gemspec.
+load File.join( File.dirname(__FILE__), "ruby-sdl-ffi.gemspec" )
 
 Rake::GemPackageTask.new( $gemspec ) do |pkg|
   pkg.need_tar_bz2 = true
 end
+
+
+###############
+##  VERSION  ##
+###############
+
+task :version do
+  puts "%s-%s"%[$gemspec.name, $gemspec.version.to_s]
+end
+
+rule( /bump:[0-9.]+/ ) do |t|
+  ver = t.name.gsub("bump:","")
+  today = Date.today.to_s
+
+  puts "Updating version to #{ver} and date to #{today}..."
+
+  print "  README.rdoc... "
+  `ruby -pi -e '
+     $_.gsub!(/\([Vv]ersion:: +\)[0-9.]+/,   "\\\\1#{ver}")
+     $_.gsub!(/\([Dd]ate:: +\)[0-9-]+/,      "\\\\1#{today}")
+   ' README.rdoc`
+  puts "done"
+
+  print "  ruby-sdl-ffi.gemspec... "
+  `ruby -pi -e '
+     $_.gsub!(/\(s.version *= *\)"[0-9.]+"/, "\\\\1\\"#{ver}\\"")
+   ' ruby-sdl-ffi.gemspec`
+  puts "done"
+
+end
+
+
+#################
+##  CHANGELOG  ##
+#################
+
+task :changelog do
+  `ruby scripts/mkchangelog.rb ChangeLog.txt`
+end
+
+task "ChangeLog.txt" => [:changelog]
+task :gem => [:changelog]
+task :package => [:changelog]
+
+
+#############
+##  CLEAN  ##
+#############
+
+require 'rake/clean'
+
+CLEAN.include("ChangeLog.txt")
+
+
+############
+##  DOCS  ##
+############
+
+require 'rake/rdoctask'
+
+Rake::RDocTask.new do |rd|
+  rd.title = "Ruby-SDL-FFI #{$gemspec.version} Docs"
+  rd.main = "README.rdoc"
+  rd.rdoc_files.include( "lib/**/*.rb", "**/*.rdoc" )
+end
+
+
+#########
+# SPECS #
+#########
+
+begin
+  require 'spec/rake/spectask'
+
+  desc "Run all specs"
+  Spec::Rake::SpecTask.new do |t|
+    t.spec_files = FileList['spec/*_spec.rb']
+  end
+
+  namespace :spec do
+    desc "Run all specs"
+    Spec::Rake::SpecTask.new(:all) do |t|
+      t.spec_files = FileList['spec/*_spec.rb']
+    end
+
+    desc "Run spec/[name]_spec.rb (e.g. 'color')"
+    task :name do
+      puts( "This is just a stand-in spec.",
+            "Run rake spec:[name] where [name] is e.g. 'color', 'music'." )
+    end
+  end
+
+
+rule(/spec:.+/) do |t|
+  name = t.name.gsub("spec:","")
+
+  path = File.join( File.dirname(__FILE__),'spec','%s_spec.rb'%name )
+
+  if File.exist? path
+    Spec::Rake::SpecTask.new(name) do |t|
+      t.spec_files = [path]
+    end
+
+    puts "\nRunning spec/%s_spec.rb"%name
+
+    Rake::Task[name].invoke
+  else
+    puts "File does not exist: %s"%path
+  end
+
+end
+
+rescue LoadError
+
+  error = "ERROR: RSpec is not installed?"
+
+  task :spec do 
+    puts error
+  end
+
+  rule( /spec:.*/ ) do
+    puts error
+  end
+
+end

ruby-sdl-ffi.gemspec

@@ -28,6 +28,13 @@
 #++
 
 
+# Force create ChangeLog.txt if running from gem (build).
+# This is done in Rakefile when running from rake.
+if /gem/i =~ $0
+  `ruby scripts/mkchangelog.rb ChangeLog.txt`
+end
+
+
 $gemspec = Gem::Specification.new do |s|
 
   s.name     = "ruby-sdl-ffi"

scripts/mkchangelog.rb

@@ -0,0 +1,9 @@
+#!/bin/env ruby
+
+# Constructs a ChangeLog from the git log.
+# Strips out commit ids, since they might change (merge, rebase, etc.).
+
+file = (ARGV[0] or "ChangeLog.txt")
+`git log --name-status > #{file}.tmp`
+`sed -e 's/^commit [0-9a-f]\\+$/#{"-"*60}/' #{file}.tmp > #{file}`
+FileUtils.rm "#{file}.tmp"