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require 'cmd/install'
require 'cmd/outdated'
module Homebrew
def upgrade
Homebrew.perform_preinstall_checks
if ARGV.include?("--all") || ARGV.named.empty?
unless ARGV.include? "--all"
opoo <<-EOS.undent
brew upgrade with no arguments will change behaviour soon!
It currently upgrades all formula but this will soon change to require '--all'.
Please update any workflows, documentation and scripts!
EOS
end
outdated = Homebrew.outdated_brews(Formula.installed)
exit 0 if outdated.empty?
elsif ARGV.named.any?
outdated = Homebrew.outdated_brews(ARGV.formulae)
(ARGV.formulae - outdated).each do |f|
if f.rack.directory?
version = f.rack.subdirs.map { |d| Keg.new(d).version }.max
onoe "#{f.name} #{version} already installed"
else
onoe "#{f.name} not installed"
end
end
exit 1 if outdated.empty?
else
# This will currently never be reached but is implemented to make the
# migration to --all easier in the future (as just the ARGV.named.empty?
# will need removed above).
odie "Either --all or one or more formulae must be specified!"
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pinned = outdated.select(&:pinned?)
outdated -= pinned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unless outdated.empty?
oh1 "Upgrading #{outdated.length} outdated package#{plural(outdated.length)}, with result:"
puts outdated.map{ |f| "#{f.name} #{f.pkg_version}" } * ", "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.name} #{f.pkg_version}" } * ", "
end
outdated.each { |f| upgrade_formula(f) }
end
def upgrade_pinned?
not 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.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.caveats
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 and not f.installed? rescue nil
end
end
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