419 lines
13 KiB
Ruby
Executable File
419 lines
13 KiB
Ruby
Executable File
#!/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby
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#
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# generate_cask_token
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#
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# todo:
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#
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# remove Ruby 2.0 dependency and change shebang line
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#
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# detect Cask files which differ only by the placement of hyphens.
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#
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# merge entirely into "brew cask create" command
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#
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###
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### dependencies
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###
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require "pathname"
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require "open3"
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begin
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# not available by default
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require "active_support/inflector"
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rescue LoadError
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end
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###
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### configurable constants
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###
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EXPANDED_SYMBOLS = {
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"+" => "plus",
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"@" => "at",
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}.freeze
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CASK_FILE_EXTENSION = ".rb".freeze
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# Hardcode App names that cannot be transformed automatically.
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# Example: in "x48.app", "x48" is not a version number.
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# The value in the hash should be a valid Cask token.
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APP_EXCEPTION_PATS = {
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# looks like a trailing version, but is not.
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%r{\Aiterm\Z}i => "iterm2",
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%r{\Aiterm2\Z}i => "iterm2",
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%r{\Apgadmin3\Z}i => "pgadmin3",
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%r{\Ax48\Z}i => "x48",
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%r{\Avitamin-r[\s\d\.]*\Z}i => "vitamin-r",
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%r{\Aimagealpha\Z}i => "imagealpha",
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# upstream is in the midst of changing branding
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%r{\Abitcoin-?qt\Z}i => "bitcoin-core",
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# "mac" cannot be separated from the name because it is in an English phrase
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%r{\Aplayonmac\Z}i => "playonmac",
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%r{\Acleanmymac[\s\d\.]*\Z}i => "cleanmymac",
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# arguably we should not have kept these two exceptions
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%r{\Akismac\Z}i => "kismac",
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%r{\Avoicemac\Z}i => "voicemac",
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}.freeze
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# Preserve trailing patterns on App names that could be mistaken
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# for version numbers, etc
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PRESERVE_TRAILING_PATS = [
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%r{id3}i,
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%r{mp3}i,
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%r{3[\s-]*d}i,
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%r{diff3}i,
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%r{\A[^\d]+\+\Z}i,
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].freeze
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# The code that employs these patterns against App names
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# - hacks a \b (word-break) between CamelCase and snake_case transitions
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# - anchors the pattern to end-of-string
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# - applies the patterns repeatedly until there is no match
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REMOVE_TRAILING_PATS = [
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# spaces
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%r{\s+}i,
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# generic terms
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%r{\bapp}i,
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%r{\b(?:quick[\s-]*)?launcher}i,
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# "mac", "for mac", "for OS X", "macOS", "for macOS".
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%r{\b(?:for)?[\s-]*mac(?:intosh|OS)?}i,
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%r{\b(?:for)?[\s-]*os[\s-]*x}i,
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# hardware designations such as "for x86", "32-bit", "ppc"
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%r{(?:\bfor\s*)?x.?86}i,
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%r{(?:\bfor\s*)?\bppc}i,
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%r{(?:\bfor\s*)?\d+.?bits?}i,
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# frameworks
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%r{\b(?:for)?[\s-]*(?:oracle|apple|sun)*[\s-]*(?:jvm|java|jre)}i,
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%r{\bgtk}i,
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%r{\bqt}i,
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%r{\bwx}i,
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%r{\bcocoa}i,
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# localizations
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%r{en\s*-\s*us}i,
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# version numbers
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%r{[^a-z0-9]+}i,
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%r{\b(?:version|alpha|beta|gamma|release|release.?candidate)(?:[\s\.\d-]*\d[\s\.\d-]*)?}i,
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%r{\b(?:v|ver|vsn|r|rc)[\s\.\d-]*\d[\s\.\d-]*}i,
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%r{\d+(?:[a-z\.]\d+)*}i,
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%r{\b\d+\s*[a-z]}i,
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%r{\d+\s*[a-c]}i, # constrained to a-c b/c of false positives
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].freeze
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# Patterns which are permitted (undisturbed) following an interior version number
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AFTER_INTERIOR_VERSION_PATS = [
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%r{ce}i,
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%r{pro}i,
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%r{professional}i,
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%r{client}i,
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%r{server}i,
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%r{host}i,
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%r{viewer}i,
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%r{launcher}i,
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%r{installer}i,
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].freeze
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###
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### classes
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###
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class AppName < String
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def self.remove_trailing_pat
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@@remove_trailing_pat ||= %r{(?<=.)(?:#{REMOVE_TRAILING_PATS.join('|')})\Z}i
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end
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def self.preserve_trailing_pat
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@@preserve_trailing_pat ||= %r{(?:#{PRESERVE_TRAILING_PATS.join('|')})\Z}i
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end
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def self.after_interior_version_pat
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@@after_interior_version_pat ||= %r{(?:#{AFTER_INTERIOR_VERSION_PATS.join('|')})}i
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end
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def english_from_app_bundle
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return self if ascii_only?
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return self unless File.exist?(self)
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# check Info.plist CFBundleDisplayName
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bundle_name = Open3.popen3(*%w[
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/usr/libexec/PlistBuddy -c
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],
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"Print CFBundleDisplayName",
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Pathname.new(self).join("Contents", "Info.plist").to_s) do |_stdin, stdout, _stderr|
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begin
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stdout.gets.force_encoding("UTF-8").chomp
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rescue
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end
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end
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return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
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# check Info.plist CFBundleName
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bundle_name = Open3.popen3(*%w[
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/usr/libexec/PlistBuddy -c
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],
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"Print CFBundleName",
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Pathname.new(self).join("Contents", "Info.plist").to_s) do |_stdin, stdout, _stderr|
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begin
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stdout.gets.force_encoding("UTF-8").chomp
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rescue
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end
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end
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return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
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# check localization strings
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local_strings_file = Pathname.new(self).join("Contents", "Resources", "en.lproj", "InfoPlist.strings")
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local_strings_file = Pathname.new(self).join("Contents", "Resources", "English.lproj", "InfoPlist.strings") unless local_strings_file.exist?
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if local_strings_file.exist?
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bundle_name = File.open(local_strings_file, "r:UTF-16LE:UTF-8") do |fh|
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%r{\ACFBundle(?:Display)?Name\s*=\s*"(.*)";\Z}.match(fh.readlines.grep(%r{^CFBundle(?:Display)?Name\s*=\s*}).first) do |match|
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match.captures.first
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end
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end
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return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
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end
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# check Info.plist CFBundleExecutable
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bundle_name = Open3.popen3(*%w[
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/usr/libexec/PlistBuddy -c
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],
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"Print CFBundleExecutable",
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Pathname.new(self).join("Contents", "Info.plist").to_s) do |_stdin, stdout, _stderr|
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begin
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stdout.gets.force_encoding("UTF-8").chomp
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rescue
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end
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end
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return AppName.new(bundle_name) if bundle_name && bundle_name.ascii_only?
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self
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end
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def basename
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if Pathname.new(self).exist?
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AppName.new(Pathname.new(self).basename.to_s)
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else
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self
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end
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end
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def remove_extension
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sub(%r{\.app\Z}i, "")
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end
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def decompose_to_ascii
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# crudely (and incorrectly) decompose extended latin characters to ASCII
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return self if ascii_only?
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return self unless respond_to?(:mb_chars)
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AppName.new(mb_chars.normalize(:kd).each_char.select(&:ascii_only?).join)
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end
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def hardcoded_exception
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APP_EXCEPTION_PATS.each do |regexp, exception|
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return AppName.new(exception) if regexp.match(self)
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end
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nil
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end
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def insert_vertical_tabs_for_camel_case
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app_name = AppName.new(self)
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if app_name.sub!(%r{(#{self.class.preserve_trailing_pat})\Z}i, "")
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trailing = Regexp.last_match(1)
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end
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app_name.gsub!(%r{([^A-Z])([A-Z])}, "\\1\v\\2")
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app_name.sub!(%r{\Z}, trailing) if trailing
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app_name
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end
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def insert_vertical_tabs_for_snake_case
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gsub(%r{_}, "\v")
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end
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def clean_up_vertical_tabs
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gsub(%r{\v}, "")
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end
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def remove_interior_versions!
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# done separately from REMOVE_TRAILING_PATS because this
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# requires a substitution with a backreference
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sub!(%r{(?<=.)[\.\d]+(#{self.class.after_interior_version_pat})\Z}i, '\1')
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sub!(%r{(?<=.)[\s\.\d-]*\d[\s\.\d-]*(#{self.class.after_interior_version_pat})\Z}i, '-\1')
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end
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def remove_trailing_strings_and_versions
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app_name = insert_vertical_tabs_for_camel_case
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.insert_vertical_tabs_for_snake_case
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while self.class.remove_trailing_pat.match(app_name) &&
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!self.class.preserve_trailing_pat.match(app_name)
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app_name.sub!(self.class.remove_trailing_pat, "")
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end
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app_name.remove_interior_versions!
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app_name.clean_up_vertical_tabs
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end
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def simplified
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return @simplified if @simplified
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@simplified = english_from_app_bundle
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.basename
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.decompose_to_ascii
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.remove_extension
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@simplified = @simplified.hardcoded_exception || @simplified.remove_trailing_strings_and_versions
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@simplified
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end
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end
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class CaskFileName < String
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def spaces_to_hyphens
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gsub(%r{ +}, "-")
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end
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def delete_invalid_chars
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gsub(%r{[^a-z0-9-]+}, "")
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end
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def collapse_multiple_hyphens
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gsub(%r{--+}, "-")
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end
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def delete_leading_hyphens
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gsub(%r{^--+}, "")
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end
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def delete_hyphens_before_numbers
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gsub(%r{-([0-9])}, '\1')
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end
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def spell_out_symbols
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cask_file_name = self
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EXPANDED_SYMBOLS.each do |k, v|
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cask_file_name.gsub!(k, " #{v} ")
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end
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cask_file_name.sub(%r{ +\Z}, "")
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end
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def add_extension
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sub(%r{(?:#{escaped_cask_file_extension})?\Z}i, CASK_FILE_EXTENSION)
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end
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def remove_extension
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sub(%r{#{escaped_cask_file_extension}\Z}i, "")
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end
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def from_simplified_app_name
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return @from_simplified_app_name if @from_simplified_app_name
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@from_simplified_app_name = if APP_EXCEPTION_PATS.rassoc(remove_extension)
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remove_extension
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else
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remove_extension
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.downcase
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.spell_out_symbols
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.spaces_to_hyphens
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.delete_invalid_chars
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.collapse_multiple_hyphens
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.delete_leading_hyphens
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.delete_hyphens_before_numbers
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end
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raise "Could not determine Simplified App name" if @from_simplified_app_name.empty?
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@from_simplified_app_name.add_extension
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end
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end
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###
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### methods
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###
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def project_root
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Dir.chdir File.dirname(File.expand_path(__FILE__))
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@git_root ||= Open3.popen3(*%w[
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git rev-parse --show-toplevel
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]) do |_stdin, stdout, _stderr|
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begin
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Pathname.new(stdout.gets.chomp)
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rescue
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raise "could not find project root"
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end
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end
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raise "could not find project root" unless @git_root.exist?
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@git_root
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end
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def escaped_cask_file_extension
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@escaped_cask_file_extension ||= Regexp.escape(CASK_FILE_EXTENSION)
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end
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def simplified_app_name
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@simplified_app_name ||= AppName.new(ARGV.first.dup.force_encoding("UTF-8")).simplified
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end
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def cask_file_name
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@cask_file_name ||= CaskFileName.new(simplified_app_name).from_simplified_app_name
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end
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def cask_token
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@cask_token ||= cask_file_name.remove_extension
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end
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def warnings
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return @warnings if @warnings
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@warnings = []
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unless APP_EXCEPTION_PATS.rassoc(cask_token)
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if %r{\d} =~ cask_token
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@warnings.push "WARNING: '#{cask_token}' contains digits. Digits which are version numbers should be removed."
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end
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end
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filename = project_root.join("Casks", cask_file_name)
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if filename.exist?
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@warnings.push "WARNING: the file '#{filename}' already exists. Prepend the vendor name if this is not a duplicate."
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end
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@warnings
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end
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def report
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puts "Proposed Simplified App name: #{simplified_app_name}" if $debug
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puts "Proposed token: #{cask_token}"
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puts "Proposed file name: #{cask_file_name}"
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puts "Cask Header Line: cask '#{cask_token}' do"
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unless warnings.empty?
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$stderr.puts "\n"
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$stderr.puts warnings
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$stderr.puts "\n"
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exit 1
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end
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end
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###
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### main
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###
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usage = <<-EOS
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Usage: generate_cask_token [ -debug ] <application.app>
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Given an Application name or a path to an Application, propose a
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Cask token, filename, and header line.
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With -debug, also provide the internal "Simplified App Name".
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EOS
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if ARGV.first =~ %r{^-+h(elp)?$}i
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puts usage
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exit 0
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end
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if ARGV.first =~ %r{^-+debug?$}i
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$debug = 1
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ARGV.shift
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end
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unless ARGV.length == 1
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puts usage
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exit 1
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end
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report
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