a13ff43886
Also, unlink previous keg before installing to prevent issues when existing installed brews cause build problems for the newer installed brew. If the build fails the active keg is relinked before aborting. Fixes #10341.
72 lines
1.9 KiB
Ruby
72 lines
1.9 KiB
Ruby
require 'cmd/outdated'
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require 'cmd/install'
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class Fixnum
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def plural_s
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if self > 1 then "s" else "" end
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end
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end
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module Homebrew extend self
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def upgrade
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Homebrew.perform_preinstall_checks
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outdated = if ARGV.named.empty?
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Homebrew.outdated_brews
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else
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ARGV.formulae.select do |f|
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unless f.rack.exist? and not f.rack.children.empty?
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onoe "#{f} not installed"
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else
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true
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end
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end
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end
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# Expand the outdated list to include outdated dependencies then sort and
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# reduce such that dependencies are installed first and installation is not
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# attempted twice. Sorting is implicit the way `recursive_deps` returns
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# root dependencies at the head of the list and `uniq` keeps the first
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# element it encounters and discards the rest.
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outdated.map!{ |f| f.recursive_deps.reject{ |d| d.installed?} << f }
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outdated.flatten!
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outdated.uniq!
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if outdated.length > 1
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oh1 "Upgrading #{outdated.length} outdated package#{outdated.length.plural_s}, with result:"
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puts outdated.map{ |f| "#{f.name} #{f.version}" } * ", "
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end
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outdated.each do |f|
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upgrade_formula f
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end
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end
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def upgrade_formula f
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outdated_keg = Keg.new(f.linked_keg.realpath) rescue nil
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installer = FormulaInstaller.new f
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installer.show_header = false
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oh1 "Upgrading #{f.name}"
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# first we unlink the currently active keg for this formula otherwise it is
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# possible for the existing build to interfere with the build we are about to
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# do! Seriously, it happens!
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outdated_keg.unlink if outdated_keg
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installer.install
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installer.caveats
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installer.finish # includes link step
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rescue CannotInstallFormulaError => e
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onoe e
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rescue BuildError => e
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e.dump
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puts
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ensure
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# restore previous installation state if build failed
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outdated_keg.link if outdated_keg and not f.linked_keg.directory?
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end
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end
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