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require "cmd/install"
require "cleanup"
module Homebrew
def upgrade
FormulaInstaller.prevent_build_flags unless MacOS.has_apple_developer_tools?
Homebrew.perform_preinstall_checks
if ARGV.named.empty?
outdated = Formula.installed.select(&:outdated?)
exit 0 if outdated.empty?
elsif ARGV.named.any?
outdated = ARGV.resolved_formulae.select(&:outdated?)
(ARGV.resolved_formulae - outdated).each do |f|
versions = f.installed_kegs.map { |keg| keg.version }
if versions.any?
version = versions.max
onoe "#{f.full_name} #{version} already installed"
else
onoe "#{f.full_name} not installed"
end
end
exit 1 if outdated.empty?
end
unless upgrade_pinned?
pinned = outdated.select(&:pinned?)
outdated -= pinned
end
unless outdated.empty?
oh1 "Upgrading #{outdated.length} outdated package#{plural(outdated.length)}, with result:"
puts outdated.map { |f| "#{f.full_name} #{f.pkg_version}" } * ", "
else
oh1 "No packages to upgrade"
end
unless upgrade_pinned? || pinned.empty?
oh1 "Not upgrading #{pinned.length} pinned package#{plural(pinned.length)}:"
puts pinned.map { |f| "#{f.full_name} #{f.pkg_version}" } * ", "
end
outdated.each do |f|
upgrade_formula(f)
next unless ARGV.include?("--cleanup")
next unless f.installed?
Homebrew::Cleanup.cleanup_formula f
end
end
def upgrade_pinned?
!ARGV.named.empty?
end
def upgrade_formula(f)
outdated_keg = Keg.new(f.linked_keg.resolved_path) if f.linked_keg.directory?
tab = Tab.for_formula(f)
fi = FormulaInstaller.new(f)
fi.options = tab.used_options
fi.build_bottle = ARGV.build_bottle? || (!f.bottled? && tab.build_bottle?)
fi.build_from_source = ARGV.build_from_source?
fi.verbose = ARGV.verbose?
fi.quieter = ARGV.quieter?
fi.debug = ARGV.debug?
fi.prelude
oh1 "Upgrading #{f.full_name}"
# first we unlink the currently active keg for this formula otherwise it is
# possible for the existing build to interfere with the build we are about to
# do! Seriously, it happens!
outdated_keg.unlink if outdated_keg
fi.install
fi.finish
# If the formula was pinned, and we were force-upgrading it, unpin and
# pin it again to get a symlink pointing to the correct keg.
if f.pinned?
f.unpin
f.pin
end
rescue FormulaInstallationAlreadyAttemptedError
# We already attempted to upgrade f as part of the dependency tree of
# another formula. In that case, don't generate an error, just move on.
rescue CannotInstallFormulaError => e
ofail e
rescue BuildError => e
e.dump
puts
Homebrew.failed = true
rescue DownloadError => e
ofail e
ensure
# restore previous installation state if build failed
outdated_keg.link if outdated_keg && !f.installed? rescue nil
end
end
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