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# frozen_string_literal: true
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module Bump
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class InvalidIncrementError < StandardError; end
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class InvalidOptionError < StandardError; end
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class InvalidVersionError < StandardError; end
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class UnfoundVersionError < StandardError; end
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class TooManyVersionFilesError < StandardError; end
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class UnfoundVersionFileError < StandardError; end
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class RakeArgumentsDeprecatedError < StandardError; end
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class <<self
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attr_accessor :tag_by_default, :replace_in_default, :changelog
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end
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class Bump
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BUMPS = ["major", "minor", "patch", "pre"].freeze
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PRERELEASE = ["alpha", "beta", "rc", nil].freeze
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OPTIONS = BUMPS | ["set", "current", "file"]
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VERSION_REGEX = /(\d+\.\d+\.\d+(?:-(?:#{PRERELEASE.compact.join('|')}))?)/.freeze
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class << self
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def defaults
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{
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tag: ::Bump.tag_by_default,
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tag_prefix: 'v',
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commit: true,
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changelog: ::Bump.changelog || false, # TODO: default to true with opt-out once it gets more stable
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bundle: File.exist?("Gemfile"),
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replace_in: ::Bump.replace_in_default || []
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}
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end
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def run(bump, options = {})
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options = defaults.merge(options)
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options[:commit] = false unless File.directory?(".git")
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case bump
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when *BUMPS
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bump_part(bump, options)
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when "set"
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raise InvalidVersionError unless options[:version]
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bump_set(options[:version], options)
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when "current"
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[current, 0]
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when "show-next"
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increment = options[:increment]
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raise InvalidIncrementError unless BUMPS.include?(increment)
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[next_version(increment), 0]
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when "file"
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[file, 0]
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else
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raise InvalidOptionError
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end
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rescue InvalidIncrementError
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["Invalid increment. Choose between #{BUMPS.join(',')}.", 1]
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rescue InvalidOptionError
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["Invalid option. Choose between #{OPTIONS.join(',')}.", 1]
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rescue InvalidVersionError
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["Invalid version number given.", 1]
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rescue UnfoundVersionError
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["Unable to find your gem version", 1]
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rescue UnfoundVersionFileError
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["Unable to find a file with the gem version", 1]
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rescue TooManyVersionFilesError
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["More than one version file found (#{$!.message})", 1]
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end
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def current
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current_info.first
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end
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def next_version(increment, current = Bump.current)
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current, prerelease = current.split('-')
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major, minor, patch, *other = current.split('.')
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case increment
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when "major"
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major = major.succ
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minor = 0
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patch = 0
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prerelease = nil
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when "minor"
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minor = minor.succ
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patch = 0
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prerelease = nil
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when "patch"
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patch = patch.succ
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when "pre"
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prerelease.strip! if prerelease.respond_to? :strip
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prerelease = PRERELEASE[PRERELEASE.index(prerelease).succ % PRERELEASE.length]
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else
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raise InvalidIncrementError
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end
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version = [major, minor, patch, *other].compact.join('.')
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[version, prerelease].compact.join('-')
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end
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def file
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current_info.last
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end
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def parse_cli_options!(options)
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options.each do |key, value|
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options[key] = parse_cli_options_value(value)
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end
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options.delete_if { |_key, value| value.nil? }
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end
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private
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def parse_cli_options_value(value)
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case value
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when "true" then true
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when "false" then false
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when "nil" then nil
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else
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value
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end
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end
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def bump(file, current, next_version, options)
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# bump in files that need to change
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[file, *options[:replace_in]].each do |f|
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return ["Unable to find version #{current} in #{f}", 1] unless replace f, current, next_version
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git_add f if options[:commit]
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end
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# bundle if needed
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if options[:bundle] && Dir.glob('*.gemspec').any? && under_version_control?("Gemfile.lock")
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bundler_with_clean_env do
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return ["Bundle error", 1] unless system("bundle")
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git_add "Gemfile.lock" if options[:commit]
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end
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end
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# changelog if needed
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if options[:changelog]
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log = Dir["CHANGELOG.md"].first
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return ["Did not find CHANGELOG.md", 1] unless log
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error = bump_changelog(log, next_version)
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return [error, 1] if error
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open_changelog(log) if options[:changelog] == :editor
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git_add log if options[:commit]
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end
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# commit staged changes
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commit next_version, options if options[:commit]
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# tell user the result
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[next_version, 0]
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end
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def open_changelog(log)
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editor = ENV['EDITOR'] || "vi"
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system "#{editor} #{log}"
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end
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def bundler_with_clean_env(&block)
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if defined?(Bundler)
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if Bundler.respond_to?(:with_unbundled_env)
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Bundler.with_unbundled_env(&block)
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else
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Bundler.with_clean_env(&block)
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end
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else
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yield
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end
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end
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def bump_part(increment, options)
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current, file = current_info
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next_version = next_version(increment, current)
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bump(file, current, next_version, options)
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end
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def bump_set(next_version, options)
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current, file = current_info
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bump(file, current, next_version, options)
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end
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def bump_changelog(file, current)
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parts = File.read(file).split(/(^##+.*)/) # headlines and their content
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prev_index = parts.index { |p| p =~ /(^##+.*(\d+\.\d+\.\d+(\.[a-z]+)?).*)/ } # position of previous version
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return "Unable to find previous version in CHANGELOG.md" unless prev_index
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# reuse the same style by just swapping the numbers
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new_heading = parts[prev_index].sub($2, current)
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# add current date if previous heading used that
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new_heading.sub!(/\d\d\d\d-\d\d-\d\d/, Time.now.strftime('%Y-%m-%d'))
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if prev_index < 2
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# previous version is first '##' element (no '## Next' present), add line feed after version to avoid
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# '## v1.0.1## v1.0.0'
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parts.insert prev_index - 1, new_heading + "\n"
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else
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# put our new heading underneath the "Next" heading, which should be above the last version
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parts.insert prev_index - 1, "\n" + new_heading
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end
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File.write file, parts.join("")
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nil
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end
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def commit_message(version, options)
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tag = "#{options[:tag_prefix]}#{version}"
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options[:commit_message] ? "#{tag} #{options[:commit_message]}" : tag
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end
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def commit(version, options)
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tag = "#{options[:tag_prefix]}#{version}"
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system("git", "commit", "-m", commit_message(version, options))
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system("git", "tag", "-a", "-m", "Bump to #{tag}", tag) if options[:tag]
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end
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def git_add(file)
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system("git", "add", "--update", file)
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end
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def replace(file, old, new)
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content = File.read(file)
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return unless content.sub!(old, new)
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File.write(file, content)
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end
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def current_info
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version, file = (
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version_from_version ||
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version_from_version_rb ||
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version_from_gemspec ||
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version_from_lib_rb ||
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version_from_chef ||
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raise(UnfoundVersionFileError)
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)
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raise UnfoundVersionError unless version
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[version, file]
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end
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def version_from_gemspec
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return unless file = find_version_file("*.gemspec")
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content = File.read(file)
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version = (
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content[/\.version\s*=\s*["']#{VERSION_REGEX}["']/, 1] ||
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File.read(file)[/Gem::Specification.new.+ ["']#{VERSION_REGEX}["']/, 1]
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)
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return unless version
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[version, file]
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end
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def version_from_version_rb
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files = Dir.glob("lib/**/version.rb")
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files.detect do |file|
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if version_and_file = extract_version_from_file(file)
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return version_and_file
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end
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end
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end
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def version_from_version
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return unless file = find_version_file("VERSION")
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extract_version_from_file(file)
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end
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def version_from_lib_rb
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files = Dir.glob("lib/**/*.rb")
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file = files.detect do |f|
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File.read(f) =~ /^\s+VERSION = ['"](#{VERSION_REGEX})['"]/i
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end
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[Regexp.last_match(1), file] if file
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end
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def version_from_chef
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file = find_version_file("metadata.rb")
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return unless file && File.read(file) =~ /^version\s+(['"])(#{VERSION_REGEX})['"]/
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[Regexp.last_match(2), file]
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end
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def extract_version_from_file(file)
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return unless version = File.read(file)[VERSION_REGEX]
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[version, file]
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end
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def find_version_file(pattern)
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files = Dir.glob(pattern)
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case files.size
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when 0 then nil
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when 1 then files.first
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else
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raise TooManyVersionFilesError, files.join(", ")
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end
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end
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def under_version_control?(file)
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@all_files ||= `git ls-files`.split(/\r?\n/)
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@all_files.include?(file)
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end
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end
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end
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end
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@@ -0,0 +1,45 @@
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# frozen_string_literal: true
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require "bump"
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namespace :bump do
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run_bump = lambda do |bump, options|
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output, status = Bump::Bump.run(bump, options)
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puts output
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abort unless status == 0
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end
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(Bump::Bump::BUMPS + ["current", "file", "show-next"]).each do |bump|
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if bump == "current"
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desc "Show current gem version"
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elsif bump == "show-next"
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desc "Show next #{Bump::Bump::BUMPS.join('|')} version."
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elsif bump == "file"
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desc "Show version file path"
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else
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desc "Bump #{bump} part of gem version"
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end
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task bump, :no_args do |_task, args|
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if args.no_args
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raise(
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RakeArgumentsDeprecatedError,
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"rake arguments are deprecated, use TAG=false to disable tagging"
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)
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end
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options = {
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tag: ENV['TAG'],
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tag_prefix: ENV['TAG_PREFIX'],
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commit: ENV['COMMIT'],
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bundle: ENV['BUNDLE'],
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increment: ENV['INCREMENT']
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}
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run_bump.call(bump, Bump::Bump.parse_cli_options!(options))
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end
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end
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desc "Sets the version number using the VERSION environment variable"
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task :set do
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run_bump.call("set", version: ENV['VERSION'])
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end
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end
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