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require 'rubygems'
require 'rake'
require 'date'
#############################################################################
#
# Helper functions
#
#############################################################################
def name
@name ||= Dir['*.gemspec'].first.split('.').first
end
def version
line = File.read("lib/#{name}.rb")[/^\s*VERSION\s*=\s*.*/]
line.match(/.*VERSION\s*=\s*['"](.*)['"]/)[1]
end
# assumes x.y.z all digit version
def next_version
# x.y.z
v = version.split '.'
# bump z
v[-1] = v[-1].to_i + 1
v.join '.'
end
def bump_version
old_file = File.read("lib/#{name}.rb")
old_version_line = old_file[/^\s*VERSION\s*=\s*.*/]
new_version = next_version
# replace first match of old vesion with new version
old_file.sub!(old_version_line, " VERSION = '#{new_version}'")
File.write("lib/#{name}.rb", old_file)
new_version
end
def date
Date.today.to_s
end
def rubyforge_project
name
end
def gemspec_file
"#{name}.gemspec"
end
def gem_file
"#{name}-#{version}.gem"
end
def replace_header(head, header_name)
head.sub!(/(\.#{header_name}\s*= ').*'/) { "#{$1}#{send(header_name)}'"}
end
#############################################################################
#
# Standard tasks
#
#############################################################################
task :default => :test
require 'rake/testtask'
Rake::TestTask.new(:test) do |test|
test.libs << 'lib' << 'test' << '.'
test.pattern = 'test/**/test_*.rb'
test.verbose = true
end
desc "Generate RCov test coverage and open in your browser"
task :coverage do
require 'rcov'
sh "rm -fr coverage"
sh "rcov test/test_*.rb"
sh "open coverage/index.html"
end
desc "Open an irb session preloaded with this library"
task :console do
sh "irb -rubygems -r ./lib/#{name}.rb"
end
#############################################################################
#
# Custom tasks (add your own tasks here)
#
#############################################################################
desc "Update version number and gemspec"
task :bump do
puts "Updated version to #{bump_version}"
# Execute does not invoke dependencies.
# Manually invoke gemspec then validate.
Rake::Task[:gemspec].execute
Rake::Task[:validate].execute
end
#############################################################################
#
# Packaging tasks
#
#############################################################################
desc 'Create a release build'
task :release => :build do
unless `git branch` =~ /^\* master$/
puts "You must be on the master branch to release!"
exit!
end
sh "git pull"
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/#{name}-#{version}.gem"
end
desc 'Build gem'
task :build => :gemspec do
sh "mkdir -p pkg"
sh "gem build #{gemspec_file}"
sh "mv #{gem_file} pkg"
end
desc 'Update gemspec'
task :gemspec => :validate 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|test|Home\.md)/ }.
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
desc 'Validate lib files and version file'
task :validate do
libfiles = Dir['lib/*'] - ["lib/#{name}.rb", "lib/#{name}"]
unless libfiles.empty?
puts "Directory `lib` should only contain a `#{name}.rb` file and `#{name}` dir."
exit!
end
unless Dir['VERSION*'].empty?
puts "A `VERSION` file at root level violates Gem best practices."
exit!
end
end
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