Rakefile

# Author:
# Tom Preston-Werner part of his https://github.com/mojombo/rakegem
#
# Modified:
# Senthil A

require 'date'

# Helper functions

def name
  @name ||= Dir['*.gemspec'].first.split('.').first
end

def version
  line = File.read("lib/#{name}/version.rb")[/^\s*VERSION\s*=\s*.*/]
  line.match(/.*VERSION\s*=\s*['"](.*)['"]/)[1]
end

def date
  Date.today.to_s
end

def rubyforge_project
  name
end

def gemspec_file
  "#{name}.gemspec"
end

def gem_file
  "open_auth2-#{version}.gem"
end

def replace_header(head, header_name)
  head.sub!(/(\.#{header_name}\s*= ').*'/) { "#{$1}#{send(header_name)}'"}
end

# Standard tasks

task :default => :spec
require "rspec/core/rake_task"
RSpec::Core::RakeTask.new(:spec) do |spec|
  spec.pattern = 'spec/**/*_spec.rb'
  spec.rspec_opts = ['--backtrace']
end

desc "Open an irb session preloaded with this library"
task :irb do
  sh "irb -rubygems -r ./lib/#{name}.rb"
end

desc "Open a pry session preloaded with this library"
task :pry do
  sh "pry -r ./lib/#{name}.rb"
end

# Custom tasks (add your own tasks here)

desc "Open a pry session with examples/fb loaded"
task :fb do
  sh "pry -r ./examples/fb.rb"
end

desc "Open a pry session with examples/google loaded"
task :google do
  sh "pry -r ./examples/google.rb"
end

# Packaging tasks

desc "Create tag v#{version} and build and push #{gem_file} to Rubygems"
task :release => :build do
  unless `git branch` =~ /^\* master$/
    puts "You must be on the master branch to release!"
    exit!
  end
  sh "git commit --allow-empty -a -m 'Release #{version}'"
  sh "git tag v#{version}"
  sh "git push origin master"
  sh "git push origin v#{version}"
  sh "gem push pkg/open_auth2-#{version}.gem"
end

desc "Build #{gem_file} into the pkg directory"
task :build => :gemspec do
  sh "mkdir -p pkg"
  sh "gem build #{gemspec_file}"
  sh "mv #{gem_file} pkg"
end

desc "Generate #{gemspec_file}"
task :gemspec do
  # read spec file and split out manifest section
  spec = File.read(gemspec_file)
  head, manifest, tail = spec.split("  # = MANIFEST =\n")

  # replace name version and date
  replace_header(head, :name)
  replace_header(head, :version)
  replace_header(head, :date)
  #comment this out if your rubyforge_project has a different name
  replace_header(head, :rubyforge_project)

  # determine file list from git ls-files
  files = `git ls-files`.
    split("\n").
    sort.
    reject { |file| file =~ /^\./ }.
    reject { |file| file =~ /^(rdoc|pkg)/ }.
    reject { |file| file =~ /fb/ }.
    map { |file| "    #{file}" }.
    join("\n")

  # piece file back together and write
  manifest = "  s.files = %w[\n#{files}\n  ]\n"
  spec = [head, manifest, tail].join("  # = MANIFEST =\n")
  File.open(gemspec_file, 'w') { |io| io.write(spec) }
  puts "Updated #{gemspec_file}"
end