66 lines
1.7 KiB
Ruby
66 lines
1.7 KiB
Ruby
#: * `prune` [`--dry-run`]:
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#: Remove dead symlinks from the Homebrew prefix. This is generally not
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#: needed, but can be useful when doing DIY installations. Also remove broken
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#: app symlinks from `/Applications` and `~/Applications` that were previously
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#: created by `brew linkapps`.
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#:
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#: If `--dry-run` or `-n` is passed, show what would be removed, but do not
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#: actually remove anything.
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require "keg"
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require "cmd/tap"
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require "cmd/unlinkapps"
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module Homebrew
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module_function
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def prune
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ObserverPathnameExtension.reset_counts!
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dirs = []
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Keg::PRUNEABLE_DIRECTORIES.each do |dir|
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next unless dir.directory?
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dir.find do |path|
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path.extend(ObserverPathnameExtension)
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if path.symlink?
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unless path.resolved_path_exists?
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if path.to_s =~ Keg::INFOFILE_RX
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path.uninstall_info unless ARGV.dry_run?
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end
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if ARGV.dry_run?
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puts "Would remove (broken link): #{path}"
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else
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path.unlink
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end
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end
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elsif path.directory?
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dirs << path
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end
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end
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end
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dirs.reverse_each do |d|
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if ARGV.dry_run? && d.children.empty?
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puts "Would remove (empty directory): #{d}"
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else
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d.rmdir_if_possible
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end
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end
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unless ARGV.dry_run?
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if ObserverPathnameExtension.total.zero?
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puts "Nothing pruned" if ARGV.verbose?
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else
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n, d = ObserverPathnameExtension.counts
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print "Pruned #{n} symbolic links "
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print "and #{d} directories " if d > 0
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puts "from #{HOMEBREW_PREFIX}"
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end
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end
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unlinkapps_prune(dry_run: ARGV.dry_run?, quiet: true)
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end
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end
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