Add a script to bump the version

script/version_bump.rb

@@ -0,0 +1,57 @@
+#!/usr/bin/env ruby
+#
+# Increases the version. e.g., from 0.8.5 to 0.8.6.
+# If you want to bump the minor or major version numbers, do it manually
+# or edit lib/version.rb before running this file.
+#
+# Optional arguments:
+#   no-commit: Don't commit the file changes
+#   no-push:   Don't push the commits to github. no-commit implies no-push too.
+
+VERSION_FILE_PATH = File.expand_path('../../lib/version.rb',  __FILE__)
+
+puts '', "Updating #{VERSION_FILE_PATH}..."
+
+contents = ''
+tiny_version_bumped = false
+File.open(VERSION_FILE_PATH) do |f|
+  line = f.read
+  m = /TINY\s*=\s*([\d]+)/.match(line)
+  tiny_version_bumped = true if m
+  contents += m ? line.sub(m[0], m[0].sub(m[1], (m[1].to_i + 1).to_s)) : line
+end
+
+unless tiny_version_bumped
+  puts "ERROR: couldn't update lib/version.rb. Is it missing the TINY constant?"
+  exit 1
+end
+
+puts "Saving..."
+
+File.open(VERSION_FILE_PATH, 'w+') do |f|
+  f.write(contents)
+end
+
+require File.expand_path('../../lib/version',  __FILE__)
+
+version = Discourse::VERSION::STRING
+puts "New version is: #{version}"
+
+puts ARGV
+
+unless ARGV.include?('no-commit')
+  puts "Commiting..."
+
+  `git add lib/version.rb`
+  `git commit -m "Version bump to v#{version}"`
+  sha = `git rev-parse HEAD`.strip
+  `git tag -a v#{version} -m "version #{version}" #{sha}`
+
+  unless ARGV.include?('no-push')
+    puts "Pushing..."
+    `git push origin master`
+    `git push origin v#{version}`
+  end
+end
+
+puts "Done",''