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## 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
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
begin
# Rspec 2.0
require 'rspec/core/rake_task'
desc 'Default: run specs'
task :default => :spec
RSpec::Core::RakeTask.new do |t|
t.pattern = "spec/**/*_spec.rb"
end
RSpec::Core::RakeTask.new('rcov') do |t|
t.pattern = "spec/**/*_spec.rb"
t.rcov = true
t.rcov_opts = ['--exclude', 'spec']
end
rescue LoadError
puts "Rspec not available. Install it with: gem install rspec"
end
## release management tasks
desc "Commit, create tag v#{version} and build and push #{gem_file} to Rubygems"
task :release => :build do
sh "git commit --allow-empty -a -m 'Release #{version}'"
sh "git tag v#{version}"
sh "git push"
sh "git push origin v#{version}"
sh "gem push pkg/#{gem_file}"
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)
# determine file list from git ls-files
files = `git ls-files`.
split("\n").
sort.
reject { |file| file =~ /^\./ }.
reject { |file| file =~ /^(rdoc|pkg)/ }.
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
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