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prune: Use CLI::Parser to parse args #5252

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Nov 5, 2018
Merged

prune: Use CLI::Parser to parse args #5252

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24 changes: 21 additions & 3 deletions Library/Homebrew/cmd/prune.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,29 @@
#: actually remove anything.

require "keg"
require "cli_parser"

module Homebrew
module_function

def prune_args
Homebrew::CLI::Parser.new do
usage_banner <<~EOS
`prune` [<options>]

Remove dead symlinks from the Homebrew prefix. This is generally not
needed, but can be useful when doing DIY installations.
EOS
switch "-n", "--dry-run",
description: "Show what would be removed, but do not actually remove anything."
switch :verbose
switch :debug
end
end

def prune
prune_args.parse

ObserverPathnameExtension.reset_counts!

dirs = []
Expand All @@ -26,7 +44,7 @@ def prune
path.uninstall_info unless ARGV.dry_run?
end

if ARGV.dry_run?
if args.dry_run?
puts "Would remove (broken link): #{path}"
else
path.unlink
Expand All @@ -46,10 +64,10 @@ def prune
end
end

return if ARGV.dry_run?
return if args.dry_run?

if ObserverPathnameExtension.total.zero?
puts "Nothing pruned" if ARGV.verbose?
puts "Nothing pruned" if args.verbose?
else
n, d = ObserverPathnameExtension.counts
print "Pruned #{n} symbolic links "
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