version.rb in dokku-installer-cli-0.1.2

- old
+ new
@@ -1,3 +1,59 @@
+require "json"
+require "net/http"
+require "thor"
+
 module DokkuInstaller
-  VERSION = "0.1.1"
+  VERSION = "0.1.2"
+
+  class Cli < Thor
+
+    desc "upgrade", "Upgrade the Dokku install on your remote server"
+    def upgrade
+      command = "ssh -t root@#{domain} \"rm -rf /var/lib/dokku/plugins; cd /root/dokku; git pull origin master; make install\""
+      puts "Running #{command}..."
+      exec(command)
+    end
+
+    desc "update", "Update dokku-installer-cli to latest version"
+    def update
+      command = "gem install dokku-installer-cli"
+      puts "Running #{command}..."
+      exec(command)
+    end
+
+    desc "version", "Show version information"
+    def version
+      gem_version = "v#{DokkuInstaller::VERSION}"
+
+      # Grab the latest version of the RubyGem
+      rubygems_json = Net::HTTP.get("rubygems.org", "/api/v1/gems/dokku-installer-cli.json")
+      rubygems_version = "v#{JSON.parse(rubygems_json)["version"].strip}"
+
+      # Grab the version of the remote Dokku install
+      command = "ssh -t dokku@#{domain} version"
+      remote_version = `#{command}`.strip
+
+      upgrade_message = ""
+      if gem_version != rubygems_version
+        upgrade_message = " Run `dokku update` to install"
+      end
+
+      puts
+      puts "Dokku Installer CLI"
+      puts "  Installed: #{gem_version}"
+      puts "  Latest:    #{rubygems_version}#{upgrade_message}"
+      puts
+
+      upgrade_message = ""
+      if remote_version != rubygems_version
+        upgrade_message = " Run `dokku upgrade` to install"
+      end
+
+      puts "Remote Dokku Version"
+      puts "  Installed: #{remote_version}"
+      puts "  Latest:    #{rubygems_version}#{upgrade_message}"
+      puts
+    end
+
+  end
 end