Martin Afanasjew ea38a70395 prune: handle broken app symlinks
Remove broken symlinks from `/Applications` and `~/Applications` that
were previously created by `brew linkapps`, but are no longer valid
because formulae were uninstalled or the provided apps have changed.
2016-04-06 10:31:54 +02:00

53 lines
1.3 KiB
Ruby

require "keg"
require "cmd/tap"
require "cmd/unlinkapps"
module Homebrew
def prune
ObserverPathnameExtension.reset_counts!
dirs = []
Keg::PRUNEABLE_DIRECTORIES.each do |dir|
next unless dir.directory?
dir.find do |path|
path.extend(ObserverPathnameExtension)
if path.symlink?
unless path.resolved_path_exists?
if path.to_s =~ Keg::INFOFILE_RX
path.uninstall_info unless ARGV.dry_run?
end
if ARGV.dry_run?
puts "Would remove (broken link): #{path}"
else
path.unlink
end
end
elsif path.directory?
dirs << path
end
end
end
dirs.reverse_each do |d|
if ARGV.dry_run? && d.children.empty?
puts "Would remove (empty directory): #{d}"
else
d.rmdir_if_possible
end
end
if ObserverPathnameExtension.total.zero?
puts "Nothing pruned" if ARGV.verbose?
else
n, d = ObserverPathnameExtension.counts
print "Pruned #{n} symbolic links "
print "and #{d} directories " if d > 0
puts "from #{HOMEBREW_PREFIX}"
end unless ARGV.dry_run?
unlinkapps_prune(:dry_run => ARGV.dry_run?, :quiet => true)
end
end