Module: Kernel
- Defined in:
- extend/kernel.rb,
extend/ENV.rb
Overview
Contains shorthand Homebrew utility methods like ohai
, opoo
, odisabled
.
Instance Method Summary collapse
-
#disk_usage_readable(size_in_bytes) ⇒ Object
-
#ensure_executable!(name, formula_name = nil, reason: "") ⇒ Object
Ensure the given executable is exist otherwise install the brewed version.
-
#ensure_formula_installed!(formula_or_name, reason: "", latest: false, output_to_stderr: true, quiet: false) ⇒ Object
Ensure the given formula is installed This is useful for installing a utility formula (e.g.
shellcheck
forbrew style
). -
#exec_browser(*args) ⇒ Object
-
#exec_editor(*args) ⇒ Object
-
#gzip(*paths) ⇒ Object
GZips the given paths, and returns the gzipped paths.
-
#ignore_interrupts(_opt = nil) ⇒ Object
-
#interactive_shell(formula = nil) ⇒ Object
-
#number_readable(number) ⇒ Object
-
#odebug(title, *sput, always_display: false) ⇒ Object
-
#odeprecated(method, replacement = nil, disable: false, disable_on: nil, disable_for_developers: true, caller: send(:caller)) ⇒ Object
-
#odie(error) ⇒ T.noreturn
-
#odisabled(method, replacement = nil, options = {}) ⇒ Object
-
#ofail(error) ⇒ Object
-
#oh1(title, truncate: :auto) ⇒ Object
-
#oh1_title(title, truncate: :auto) ⇒ Object
-
#ohai(title, *sput) ⇒ Object
-
#ohai_title(title) ⇒ Object
-
#onoe(message) ⇒ Object
Print a message prefixed with “Error”.
-
#opoo(message) ⇒ Object
Print a message prefixed with “Warning” (do this rarely).
-
#paths ⇒ Object
-
#preferred_shell ⇒ String
-
#pretty_duration(seconds) ⇒ Object
-
#pretty_installed(formula) ⇒ Object
-
#pretty_outdated(formula) ⇒ Object
-
#pretty_uninstalled(formula) ⇒ Object
-
#quiet_system(cmd, *args) ⇒ Object
Prints no output.
-
#redact_secrets(input, secrets) ⇒ Object
-
#redirect_stdout(file) ⇒ Object
-
#require?(path) ⇒ Boolean
-
#safe_system(cmd, *args, **options) ⇒ Object
Kernel.system but with exceptions.
-
#shell_profile ⇒ String
-
#tap_and_name_comparison ⇒ Object
-
#truncate_text_to_approximate_size(str, max_bytes, options = {}) ⇒ Object
Truncates a text string to fit within a byte size constraint, preserving character encoding validity.
-
#which(cmd, path = ENV.fetch("PATH")) ⇒ Object
-
#which_all(cmd, path = ENV.fetch("PATH")) ⇒ Object
-
#which_editor(silent: false) ⇒ Object
-
#with_custom_locale(locale, &block) ⇒ Object
-
#with_env(hash) ⇒ Object
Calls the given block with the passed environment variables added to ENV, then restores ENV afterwards.
-
#with_homebrew_path(&block) ⇒ Object
Instance Method Details
#disk_usage_readable(size_in_bytes) ⇒ Object
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# File 'extend/kernel.rb', line 418 def disk_usage_readable(size_in_bytes) if size_in_bytes >= 1_073_741_824 size = size_in_bytes.to_f / 1_073_741_824 unit = "GB" elsif size_in_bytes >= 1_048_576 size = size_in_bytes.to_f / 1_048_576 unit = "MB" elsif size_in_bytes >= 1_024 size = size_in_bytes.to_f / 1_024 unit = "KB" else size = size_in_bytes unit = "B" end # avoid trailing zero after decimal point if ((size * 10).to_i % 10).zero? "#{size.to_i}#{unit}" else "#{format("%<size>.1f", size: size)}#{unit}" end end |
#ensure_executable!(name, formula_name = nil, reason: "") ⇒ Object
Ensure the given executable is exist otherwise install the brewed version
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# File 'extend/kernel.rb', line 401 def ensure_executable!(name, formula_name = nil, reason: "") formula_name ||= name executable = [ which(name), which(name, ORIGINAL_PATHS), HOMEBREW_PREFIX/"bin/#{name}", ].compact.first return executable if executable.exist? ensure_formula_installed!(formula_name, reason: reason).opt_bin/name end |
#ensure_formula_installed!(formula_or_name, reason: "", latest: false, output_to_stderr: true, quiet: false) ⇒ Object
Ensure the given formula is installed
This is useful for installing a utility formula (e.g. shellcheck
for brew style
)
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# File 'extend/kernel.rb', line 362 def ensure_formula_installed!(formula_or_name, reason: "", latest: false, output_to_stderr: true, quiet: false) if output_to_stderr || quiet file = if quiet File::NULL else $stderr end # Call this method itself with redirected stdout redirect_stdout(file) do return ensure_formula_installed!(formula_or_name, latest: latest, reason: reason, output_to_stderr: false) end end require "formula" formula = if formula_or_name.is_a?(Formula) formula_or_name else Formula[formula_or_name] end reason = " for #{reason}" if reason.present? unless formula.any_version_installed? ohai "Installing `#{formula.name}`#{reason}..." safe_system HOMEBREW_BREW_FILE, "install", "--formula", formula.full_name end if latest && !formula.latest_version_installed? ohai "Upgrading `#{formula.name}`#{reason}..." safe_system HOMEBREW_BREW_FILE, "upgrade", "--formula", formula.full_name end formula end |
#exec_browser(*args) ⇒ Object
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# File 'extend/kernel.rb', line 307 def exec_browser(*args) browser = Homebrew::EnvConfig.browser browser ||= OS::PATH_OPEN if defined?(OS::PATH_OPEN) return unless browser ENV["DISPLAY"] = Homebrew::EnvConfig.display with_env(DBUS_SESSION_BUS_ADDRESS: ENV.fetch("HOMEBREW_DBUS_SESSION_BUS_ADDRESS", nil)) do safe_system(browser, *args) end end |
#exec_editor(*args) ⇒ Object
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# File 'extend/kernel.rb', line 302 def exec_editor(*args) puts "Editing #{args.join "\n"}" with_homebrew_path { safe_system(*which_editor.shellsplit, *args) } end |
#gzip(*paths) ⇒ Object
GZips the given paths, and returns the gzipped paths.
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# File 'extend/kernel.rb', line 320 def gzip(*paths) odeprecated "Utils.gzip", "Utils::Gzip.compress" Utils::Gzip.compress(*paths) end |
#ignore_interrupts(_opt = nil) ⇒ Object
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# File 'extend/kernel.rb', line 325 def ignore_interrupts(_opt = nil) # rubocop:disable Style/GlobalVars $ignore_interrupts_nesting_level = 0 unless defined?($ignore_interrupts_nesting_level) $ignore_interrupts_nesting_level += 1 $ignore_interrupts_interrupted = false unless defined?($ignore_interrupts_interrupted) old_sigint_handler = trap(:INT) do $ignore_interrupts_interrupted = true $stderr.print "\n" $stderr.puts "One sec, cleaning up..." end begin yield ensure trap(:INT, old_sigint_handler) $ignore_interrupts_nesting_level -= 1 if $ignore_interrupts_nesting_level == 0 && $ignore_interrupts_interrupted $ignore_interrupts_interrupted = false raise Interrupt end end # rubocop:enable Style/GlobalVars end |
#interactive_shell(formula = nil) ⇒ Object
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# File 'extend/kernel.rb', line 210 def interactive_shell(formula = nil) unless formula.nil? ENV["HOMEBREW_DEBUG_PREFIX"] = formula.prefix ENV["HOMEBREW_DEBUG_INSTALL"] = formula.full_name end if Utils::Shell.preferred == :zsh && (home = Dir.home).start_with?(HOMEBREW_TEMP.resolved_path.to_s) FileUtils.mkdir_p home FileUtils.touch "#{home}/.zshrc" end Process.wait fork { exec Utils::Shell.preferred_path(default: "/bin/bash") } return if $CHILD_STATUS.success? raise "Aborted due to non-zero exit status (#{$CHILD_STATUS.exitstatus})" if $CHILD_STATUS.exited? raise $CHILD_STATUS.inspect end |
#number_readable(number) ⇒ Object
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# File 'extend/kernel.rb', line 441 def number_readable(number) numstr = number.to_i.to_s (numstr.size - 3).step(1, -3) { |i| numstr.insert(i, ",") } numstr end |
#odebug(title, *sput, always_display: false) ⇒ Object
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# File 'extend/kernel.rb', line 33 def odebug(title, *sput, always_display: false) debug = if respond_to?(:debug) T.unsafe(self).debug? else Context.current.debug? end return if !debug && !always_display puts Formatter.headline(title, color: :magenta) puts sput unless sput.empty? end |
#odeprecated(method, replacement = nil, disable: false, disable_on: nil, disable_for_developers: true, caller: send(:caller)) ⇒ Object
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# File 'extend/kernel.rb', line 86 def odeprecated(method, replacement = nil, disable: false, disable_on: nil, disable_for_developers: true, caller: send(:caller)) = if replacement "Use #{replacement} instead." else "There is no replacement." end unless disable_on.nil? if disable_on > Time.now = " and will be disabled on #{disable_on.strftime("%Y-%m-%d")}" else disable = true end end verb = if disable "disabled" else "deprecated#{}" end # Try to show the most relevant location in message, i.e. (if applicable): # - Location in a formula. # - Location of caller of deprecated method (if all else fails). backtrace = caller # Don't throw deprecations at all for cached, .brew or .metadata files. return if backtrace.any? do |line| next true if line.include?(HOMEBREW_CACHE.to_s) next true if line.include?("/.brew/") next true if line.include?("/.metadata/") next false unless line.match?(HOMEBREW_TAP_PATH_REGEX) path = Pathname(line.split(":", 2).first) next false unless path.file? next false unless path.readable? formula_contents = path.read formula_contents.include?(" deprecate! ") || formula_contents.include?(" disable! ") end = T.let(nil, T.nilable(String)) backtrace.each do |line| next unless (match = line.match(HOMEBREW_TAP_PATH_REGEX)) tap = Tap.fetch(match[:user], match[:repo]) = +"\nPlease report this issue to the #{tap} tap (not Homebrew/brew or Homebrew/homebrew-core)" += ", or even better, submit a PR to fix it" if replacement << ":\n #{line.sub(/^(.*:\d+):.*$/, '\1')}\n\n" break end = +"Calling #{method} is #{verb}! #{}" << if .freeze disable = true if disable_for_developers && Homebrew::EnvConfig.developer? if disable || Homebrew.raise_deprecation_exceptions? exception = MethodDeprecatedError.new() exception.set_backtrace(backtrace) raise exception elsif !Homebrew.auditing? opoo end end |
#odie(error) ⇒ T.noreturn
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# File 'extend/kernel.rb', line 81 def odie(error) onoe error exit 1 end |
#odisabled(method, replacement = nil, options = {}) ⇒ Object
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# File 'extend/kernel.rb', line 158 def odisabled(method, replacement = nil, = {}) = { disable: true, caller: caller }.merge() odeprecated(method, replacement, ) end |
#ofail(error) ⇒ Object
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# File 'extend/kernel.rb', line 75 def ofail(error) onoe error Homebrew.failed = true end |
#oh1(title, truncate: :auto) ⇒ Object
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# File 'extend/kernel.rb', line 57 def oh1(title, truncate: :auto) puts oh1_title(title, truncate: truncate) end |
#oh1_title(title, truncate: :auto) ⇒ Object
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# File 'extend/kernel.rb', line 46 def oh1_title(title, truncate: :auto) verbose = if respond_to?(:verbose?) T.unsafe(self).verbose? else Context.current.verbose? end title = Tty.truncate(title) if $stdout.tty? && !verbose && truncate == :auto Formatter.headline(title, color: :green) end |
#ohai(title, *sput) ⇒ Object
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# File 'extend/kernel.rb', line 28 def ohai(title, *sput) puts ohai_title(title) puts sput end |
#ohai_title(title) ⇒ Object
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# File 'extend/kernel.rb', line 17 def ohai_title(title) verbose = if respond_to?(:verbose?) T.unsafe(self).verbose? else Context.current.verbose? end title = Tty.truncate(title) if $stdout.tty? && !verbose Formatter.headline(title, color: :blue) end |
#onoe(message) ⇒ Object
Print a message prefixed with “Error”.
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# File 'extend/kernel.rb', line 69 def onoe() Tty.with($stderr) do |stderr| stderr.puts Formatter.error(, label: "Error") end end |
#opoo(message) ⇒ Object
Print a message prefixed with “Warning” (do this rarely).
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# File 'extend/kernel.rb', line 62 def opoo() Tty.with($stderr) do |stderr| stderr.puts Formatter.warning(, label: "Warning") end end |
#paths ⇒ Object
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# File 'extend/kernel.rb', line 414 def paths @paths ||= ORIGINAL_PATHS.uniq.map(&:to_s) end |
#preferred_shell ⇒ String
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# File 'extend/kernel.rb', line 505 def preferred_shell odeprecated "preferred_shell" Utils::Shell.preferred_path(default: "/bin/sh") end |
#pretty_duration(seconds) ⇒ Object
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# File 'extend/kernel.rb', line 193 def pretty_duration(seconds) seconds = seconds.to_i res = +"" if seconds > 59 minutes = seconds / 60 seconds %= 60 res = +Utils.pluralize("minute", minutes, include_count: true) return res.freeze if seconds.zero? res << " " end res << Utils.pluralize("second", seconds, include_count: true) res.freeze end |
#pretty_installed(formula) ⇒ Object
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# File 'extend/kernel.rb', line 163 def pretty_installed(formula) if !$stdout.tty? formula.to_s elsif Homebrew::EnvConfig.no_emoji? Formatter.success("#{Tty.bold}#{formula} (installed)#{Tty.reset}") else "#{Tty.bold}#{formula} #{Formatter.success("✔")}#{Tty.reset}" end end |
#pretty_outdated(formula) ⇒ Object
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# File 'extend/kernel.rb', line 173 def pretty_outdated(formula) if !$stdout.tty? formula.to_s elsif Homebrew::EnvConfig.no_emoji? Formatter.error("#{Tty.bold}#{formula} (outdated)#{Tty.reset}") else "#{Tty.bold}#{formula} #{Formatter.warning("⚠")}#{Tty.reset}" end end |
#pretty_uninstalled(formula) ⇒ Object
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# File 'extend/kernel.rb', line 183 def pretty_uninstalled(formula) if !$stdout.tty? formula.to_s elsif Homebrew::EnvConfig.no_emoji? Formatter.error("#{Tty.bold}#{formula} (uninstalled)#{Tty.reset}") else "#{Tty.bold}#{formula} #{Formatter.error("✘")}#{Tty.reset}" end end |
#quiet_system(cmd, *args) ⇒ Object
Prints no output.
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# File 'extend/kernel.rb', line 245 def quiet_system(cmd, *args) Homebrew._system(cmd, *args) do # Redirect output streams to `/dev/null` instead of closing as some programs # will fail to execute if they can't write to an open stream. $stdout.reopen("/dev/null") $stderr.reopen("/dev/null") end end |
#redact_secrets(input, secrets) ⇒ Object
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# File 'extend/kernel.rb', line 528 def redact_secrets(input, secrets) secrets.compact .reduce(input) { |str, secret| str.gsub secret, "******" } .freeze end |
#redirect_stdout(file) ⇒ Object
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# File 'extend/kernel.rb', line 351 def redirect_stdout(file) out = $stdout.dup $stdout.reopen(file) yield ensure $stdout.reopen(out) out.close end |
#require?(path) ⇒ Boolean
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# File 'extend/kernel.rb', line 7 def require?(path) return false if path.nil? require path true rescue LoadError => e # we should raise on syntax errors but not if the file doesn't exist. raise unless e..include?(path) end |
#safe_system(cmd, *args, **options) ⇒ Object
Kernel.system but with exceptions.
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# File 'extend/kernel.rb', line 238 def safe_system(cmd, *args, **) return if Homebrew.system(cmd, *args, **) raise ErrorDuringExecution.new([cmd, *args], status: $CHILD_STATUS) end |
#shell_profile ⇒ String
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# File 'extend/kernel.rb', line 511 def shell_profile odeprecated "shell_profile" Utils::Shell.profile end |
#tap_and_name_comparison ⇒ Object
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# File 'extend/kernel.rb', line 516 def tap_and_name_comparison proc do |a, b| if a.include?("/") && b.exclude?("/") 1 elsif a.exclude?("/") && b.include?("/") -1 else a <=> b end end end |
#truncate_text_to_approximate_size(str, max_bytes, options = {}) ⇒ Object
Truncates a text string to fit within a byte size constraint, preserving character encoding validity. The returned string will be not much longer than the specified max_bytes, though the exact shortfall or overrun may vary.
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# File 'extend/kernel.rb', line 451 def truncate_text_to_approximate_size(str, max_bytes, = {}) front_weight = .fetch(:front_weight, 0.5) raise "opts[:front_weight] must be between 0.0 and 1.0" if front_weight < 0.0 || front_weight > 1.0 return str if str.bytesize <= max_bytes glue = "\n[...snip...]\n" max_bytes_in = [max_bytes - glue.bytesize, 1].max bytes = str.dup.force_encoding("BINARY") glue_bytes = glue.encode("BINARY") n_front_bytes = (max_bytes_in * front_weight).floor n_back_bytes = max_bytes_in - n_front_bytes if n_front_bytes.zero? front = bytes[1..0] back = bytes[-max_bytes_in..] elsif n_back_bytes.zero? front = bytes[0..(max_bytes_in - 1)] back = bytes[1..0] else front = bytes[0..(n_front_bytes - 1)] back = bytes[-n_back_bytes..] end out = front + glue_bytes + back out.force_encoding("UTF-8") out.encode!("UTF-16", invalid: :replace) out.encode!("UTF-8") out end |
#which(cmd, path = ENV.fetch("PATH")) ⇒ Object
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# File 'extend/kernel.rb', line 254 def which(cmd, path = ENV.fetch("PATH")) PATH.new(path).each do |p| begin pcmd = File.(cmd, p) rescue ArgumentError # File.expand_path will raise an ArgumentError if the path is malformed. # See https://github.com/Homebrew/legacy-homebrew/issues/32789 next end return Pathname.new(pcmd) if File.file?(pcmd) && File.executable?(pcmd) end nil end |
#which_all(cmd, path = ENV.fetch("PATH")) ⇒ Object
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# File 'extend/kernel.rb', line 268 def which_all(cmd, path = ENV.fetch("PATH")) PATH.new(path).map do |p| begin pcmd = File.(cmd, p) rescue ArgumentError # File.expand_path will raise an ArgumentError if the path is malformed. # See https://github.com/Homebrew/legacy-homebrew/issues/32789 next end Pathname.new(pcmd) if File.file?(pcmd) && File.executable?(pcmd) end.compact.uniq end |
#which_editor(silent: false) ⇒ Object
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# File 'extend/kernel.rb', line 281 def which_editor(silent: false) editor = Homebrew::EnvConfig.editor return editor if editor # Find VS Code, Sublime Text, Textmate, BBEdit, or vim editor = %w[code subl mate bbedit vim].find do |candidate| candidate if which(candidate, ORIGINAL_PATHS) end editor ||= "vim" unless silent opoo <<~EOS Using #{editor} because no editor was set in the environment. This may change in the future, so we recommend setting EDITOR, or HOMEBREW_EDITOR to your preferred text editor. EOS end editor end |
#with_custom_locale(locale, &block) ⇒ Object
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# File 'extend/kernel.rb', line 233 def with_custom_locale(locale, &block) with_env(LC_ALL: locale, &block) end |
#with_env(hash) ⇒ Object
This method is not thread-safe - other threads which happen to be scheduled during the block will also see these environment variables.
Calls the given block with the passed environment variables added to ENV, then restores ENV afterwards.
with_env(PATH: "/bin") do
system "echo $PATH"
end
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# File 'extend/kernel.rb', line 489 def with_env(hash) old_values = {} begin hash.each do |key, value| key = key.to_s old_values[key] = ENV.delete(key) ENV[key] = value end yield if block_given? ensure ENV.update(old_values) end end |
#with_homebrew_path(&block) ⇒ Object
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# File 'extend/kernel.rb', line 229 def with_homebrew_path(&block) with_env(PATH: PATH.new(ORIGINAL_PATHS), &block) end |