Rakefile in errand-0.7.3 vs Rakefile in errand-0.7.4

@@ -1,28 +1,80 @@
 #!/usr/bin/env ruby
 
 require 'rubygems'
+require 'bundler/setup'
+require 'colorize'
+require 'pathname'
+$: << Pathname.new(__FILE__).parent.join('lib').expand_path.to_s
+require 'errand/version'
+require 'rspec/core/rake_task'
 
-begin
-  require 'jeweler'
-  Jeweler::Tasks.new do |gemspec|
-    gemspec.name = "errand"
-    gemspec.summary = "Ruby language binding for RRD tool version 1.2+"
-    gemspec.description = "Errand provides Ruby bindings for RRD functions (via librrd), and a concise DSL for interacting with RRDs."
-    gemspec.email = "[e-mail]"
-    gemspec.homepage = "http://auxesis.github.com/errand"
-    gemspec.authors = ["Lindsay Holmwood"]
+RSpec::Core::RakeTask.new(:spec)
+
+desc "build gem"
+task :build => :verify do
+  build_output = `gem build errand.gemspec`
+  puts build_output
+
+  gem_filename = build_output[/File: (.*)/,1]
+  pkg_path     = "pkg"
+  FileUtils.mkdir_p(pkg_path)
+  FileUtils.mv(gem_filename, pkg_path)
+
+  puts "Gem built in #{pkg_path}/#{gem_filename}".green
+end
+
+desc "push gem"
+task :push do
+  filenames = Dir.glob("pkg/*.gem")
+  filenames_with_times = filenames.map do |filename|
+    [filename, File.mtime(filename)]
   end
-rescue LoadError
-  puts "Jeweler not available. Install it with: gem install jeweler"
+
+  newest = filenames_with_times.sort_by { |tuple| tuple.last }.last
+  newest_filename = newest.first
+
+  command = "gem push #{newest_filename}"
+  system(command)
 end
 
-begin
-  require 'spec/rake/spectask'
+desc "clean up various generated files"
+task :clean do
+  [ "webrat.log", "pkg/", "_site/"].each do |filename|
+    puts "Removing #{filename}"
+    FileUtils.rm_rf(filename)
+  end
+end
 
-  Spec::Rake::SpecTask.new do |t|
-    t.spec_opts = ["--options", "spec/spec.opts"]
+namespace :verify do
+  task :changelog do
+    changelog_filename = "CHANGELOG.md"
+    version = Errand::VERSION
+
+    if not File.exists?(changelog_filename)
+      puts "#{changelog_filename} doesn't exist.".red
+      exit 1
+    end
+
+    if not system("grep ^#{version} #{changelog_filename} >/dev/null 2>&1")
+      puts "#{changelog_filename} doesn't have an entry for the version you are about to build.".red
+      exit 1
+    end
   end
-rescue LoadError
-  puts "RSpec not available. Install it with: gem install rspec"
+
+  task :uncommitted do
+    uncommitted = `git ls-files -m`.split("\n")
+    if uncommitted.size > 0
+      puts "The following files are uncommitted:".red
+      uncommitted.each do |filename|
+        puts " - #{filename}".red
+      end
+      exit 1
+    end
+  end
+
+  task :all => [ :changelog, :uncommitted ]
 end
 
+task :verify => 'verify:all'
+
+task :default => :spec