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brew.rb
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brew.rb
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# typed: false
# frozen_string_literal: true
if ENV["HOMEBREW_STACKPROF"]
require_relative "utils/gems"
Homebrew.setup_gem_environment!
require "stackprof"
StackProf.start(mode: :wall, raw: true)
end
raise "HOMEBREW_BREW_FILE was not exported! Please call bin/brew directly!" unless ENV["HOMEBREW_BREW_FILE"]
std_trap = trap("INT") { exit! 130 } # no backtrace thanks
# check ruby version before requiring any modules.
unless ENV["HOMEBREW_REQUIRED_RUBY_VERSION"]
raise "HOMEBREW_REQUIRED_RUBY_VERSION was not exported! Please call bin/brew directly!"
end
REQUIRED_RUBY_X, REQUIRED_RUBY_Y, = ENV["HOMEBREW_REQUIRED_RUBY_VERSION"].split(".").map(&:to_i)
RUBY_X, RUBY_Y, = RUBY_VERSION.split(".").map(&:to_i)
if RUBY_X < REQUIRED_RUBY_X || (RUBY_X == REQUIRED_RUBY_X && RUBY_Y < REQUIRED_RUBY_Y)
raise "Homebrew must be run under Ruby #{REQUIRED_RUBY_X}.#{REQUIRED_RUBY_Y}! " \
"You're running #{RUBY_VERSION}."
end
# Also define here so we can rescue regardless of location.
class MissingEnvironmentVariables < RuntimeError; end
begin
require_relative "global"
rescue MissingEnvironmentVariables => e
raise e if ENV["HOMEBREW_MISSING_ENV_RETRY"]
if ENV["HOMEBREW_DEVELOPER"]
$stderr.puts <<~EOS
Warning: #{e.message}
Retrying with `exec #{ENV["HOMEBREW_BREW_FILE"]}`!
EOS
end
ENV["HOMEBREW_MISSING_ENV_RETRY"] = "1"
exec ENV["HOMEBREW_BREW_FILE"], *ARGV
end
begin
trap("INT", std_trap) # restore default CTRL-C handler
empty_argv = ARGV.empty?
help_flag_list = %w[-h --help --usage -?]
help_flag = !ENV["HOMEBREW_HELP"].nil?
help_cmd_index = nil
cmd = nil
ARGV.each_with_index do |arg, i|
break if help_flag && cmd
if arg == "help" && !cmd
# Command-style help: `help <cmd>` is fine, but `<cmd> help` is not.
help_flag = true
help_cmd_index = i
elsif !cmd && !help_flag_list.include?(arg)
cmd = ARGV.delete_at(i)
cmd = Commands::HOMEBREW_INTERNAL_COMMAND_ALIASES.fetch(cmd, cmd)
end
end
ARGV.delete_at(help_cmd_index) if help_cmd_index
args = Homebrew::CLI::Parser.new.parse(ARGV.dup.freeze, ignore_invalid_options: true)
Context.current = args.context
path = PATH.new(ENV["PATH"])
homebrew_path = PATH.new(ENV["HOMEBREW_PATH"])
# Add SCM wrappers.
path.prepend(HOMEBREW_SHIMS_PATH/"scm")
homebrew_path.prepend(HOMEBREW_SHIMS_PATH/"scm")
ENV["PATH"] = path
require "commands"
if cmd
internal_cmd = Commands.valid_internal_cmd?(cmd)
internal_cmd ||= begin
internal_dev_cmd = Commands.valid_internal_dev_cmd?(cmd)
if internal_dev_cmd && !Homebrew::EnvConfig.developer?
if (HOMEBREW_REPOSITORY/".git/config").exist?
system "git", "config", "--file=#{HOMEBREW_REPOSITORY}/.git/config",
"--replace-all", "homebrew.devcmdrun", "true"
end
ENV["HOMEBREW_DEV_CMD_RUN"] = "1"
end
internal_dev_cmd
end
end
unless internal_cmd
# Add contributed commands to PATH before checking.
homebrew_path.append(Tap.cmd_directories)
# External commands expect a normal PATH
ENV["PATH"] = homebrew_path
end
# Usage instructions should be displayed if and only if one of:
# - a help flag is passed AND a command is matched
# - a help flag is passed AND there is no command specified
# - no arguments are passed
# - if cmd is Cask, let Cask handle the help command instead
if (empty_argv || help_flag) && cmd != "cask"
require "help"
Homebrew::Help.help cmd, remaining_args: args.remaining, empty_argv: empty_argv
# `Homebrew::Help.help` never returns, except for unknown commands.
end
if internal_cmd || Commands.external_ruby_v2_cmd_path(cmd)
Homebrew.send Commands.method_name(cmd)
elsif (path = Commands.external_ruby_cmd_path(cmd))
require?(path)
exit Homebrew.failed? ? 1 : 0
elsif Commands.external_cmd_path(cmd)
%w[CACHE LIBRARY_PATH].each do |env|
ENV["HOMEBREW_#{env}"] = Object.const_get("HOMEBREW_#{env}").to_s
end
exec "brew-#{cmd}", *ARGV
else
possible_tap = OFFICIAL_CMD_TAPS.find { |_, cmds| cmds.include?(cmd) }
possible_tap = Tap.fetch(possible_tap.first) if possible_tap
odie "Unknown command: #{cmd}" if !possible_tap || possible_tap.installed?
# Unset HOMEBREW_HELP to avoid confusing the tap
with_env HOMEBREW_HELP: nil do
tap_commands = []
cgroup = Utils.popen_read("cat", "/proc/1/cgroup")
if %w[azpl_job actions_job docker garden kubepods].none? { |container| cgroup.include?(container) }
brew_uid = HOMEBREW_BREW_FILE.stat.uid
tap_commands += %W[/usr/bin/sudo -u ##{brew_uid}] if Process.uid.zero? && !brew_uid.zero?
end
quiet_arg = args.quiet? ? "--quiet" : nil
tap_commands += [HOMEBREW_BREW_FILE, "tap", *quiet_arg, possible_tap.name]
safe_system(*tap_commands)
end
ARGV << "--help" if help_flag
exec HOMEBREW_BREW_FILE, cmd, *ARGV
end
rescue UsageError => e
require "help"
Homebrew::Help.help cmd, remaining_args: args.remaining, usage_error: e.message
rescue SystemExit => e
onoe "Kernel.exit" if args.debug? && !e.success?
$stderr.puts e.backtrace if args.debug?
raise
rescue Interrupt
$stderr.puts # seemingly a newline is typical
exit 130
rescue BuildError => e
Utils::Analytics.report_build_error(e)
e.dump(verbose: args.verbose?)
if e.formula.head? || e.formula.deprecated? || e.formula.disabled?
$stderr.puts <<~EOS
Please create pull requests instead of asking for help on Homebrew's GitHub,
Twitter or any other official channels.
EOS
end
exit 1
rescue RuntimeError, SystemCallError => e
raise if e.message.empty?
onoe e
$stderr.puts e.backtrace if args.debug?
exit 1
rescue MethodDeprecatedError => e
onoe e
if e.issues_url
$stderr.puts "If reporting this issue please do so at (not Homebrew/brew or Homebrew/core):"
$stderr.puts " #{Formatter.url(e.issues_url)}"
end
$stderr.puts e.backtrace if args.debug?
exit 1
rescue Exception => e # rubocop:disable Lint/RescueException
onoe e
if internal_cmd && defined?(OS::ISSUES_URL) &&
!Homebrew::EnvConfig.no_auto_update?
$stderr.puts "#{Tty.bold}Please report this issue:#{Tty.reset}"
$stderr.puts " #{Formatter.url(OS::ISSUES_URL)}"
end
$stderr.puts e.backtrace
exit 1
else
exit 1 if Homebrew.failed?
ensure
if ENV["HOMEBREW_STACKPROF"]
StackProf.stop
StackProf.results("prof/stackprof.dump")
end
end