brew/Library/Homebrew/cmd/--prefix.rb
2021-01-15 13:04:00 +01:00

92 lines
2.3 KiB
Ruby

# typed: false
# frozen_string_literal: true
require "cli/parser"
module Homebrew
extend T::Sig
module_function
sig { returns(CLI::Parser) }
def __prefix_args
Homebrew::CLI::Parser.new do
usage_banner <<~EOS
`--prefix` [<formula>] [<formula> ...]
Display Homebrew's install path. *Default:*
- macOS Intel: `#{HOMEBREW_DEFAULT_PREFIX}`
- macOS ARM: `#{HOMEBREW_MACOS_ARM_DEFAULT_PREFIX}`
- Linux: `#{HOMEBREW_LINUX_DEFAULT_PREFIX}`
If <formula> is provided, display the location in the Cellar where <formula>
is or would be installed.
EOS
switch "--unbrewed",
description: "List files in Homebrew's prefix not installed by Homebrew."
named_args :formula
end
end
def __prefix
args = __prefix_args.parse
if args.unbrewed?
raise UsageError, "`--unbrewed` does not take a formula argument." unless args.no_named?
list_unbrewed
elsif args.no_named?
puts HOMEBREW_PREFIX
else
puts args.named.to_resolved_formulae.map { |f|
f.opt_prefix.exist? ? f.opt_prefix : f.latest_installed_prefix
}
end
end
UNBREWED_EXCLUDE_FILES = %w[.DS_Store].freeze
UNBREWED_EXCLUDE_PATHS = %w[
*/.keepme
.github/*
bin/brew
completions/zsh/_brew
docs/*
lib/gdk-pixbuf-2.0/*
lib/gio/*
lib/node_modules/*
lib/python[23].[0-9]/*
lib/pypy/*
lib/pypy3/*
lib/ruby/gems/[12].*
lib/ruby/site_ruby/[12].*
lib/ruby/vendor_ruby/[12].*
manpages/brew.1
share/pypy/*
share/pypy3/*
share/info/dir
share/man/whatis
].freeze
def list_unbrewed
dirs = HOMEBREW_PREFIX.subdirs.map { |dir| dir.basename.to_s }
dirs -= %w[Library Cellar Caskroom .git]
# Exclude cache, logs, and repository, if they are located under the prefix.
[HOMEBREW_CACHE, HOMEBREW_LOGS, HOMEBREW_REPOSITORY].each do |dir|
dirs.delete dir.relative_path_from(HOMEBREW_PREFIX).to_s
end
dirs.delete "etc"
dirs.delete "var"
arguments = dirs.sort + %w[-type f (]
arguments.concat UNBREWED_EXCLUDE_FILES.flat_map { |f| %W[! -name #{f}] }
arguments.concat UNBREWED_EXCLUDE_PATHS.flat_map { |d| %W[! -path #{d}] }
arguments.concat %w[)]
cd HOMEBREW_PREFIX
safe_system "find", *arguments
end
end