mirror of
https://github.com/Homebrew/brew.git
synced 2025-07-14 16:09:03 +08:00
59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require "formula"
|
|
require "keg"
|
|
require "cli/parser"
|
|
|
|
module Homebrew
|
|
module_function
|
|
|
|
def switch_args
|
|
Homebrew::CLI::Parser.new do
|
|
usage_banner <<~EOS
|
|
`switch` <formula> <version>
|
|
|
|
Symlink all of the specified <version> of <formula>'s installation into Homebrew's prefix.
|
|
EOS
|
|
|
|
named 2
|
|
end
|
|
end
|
|
|
|
def switch
|
|
args = switch_args.parse
|
|
|
|
name = args.named.first
|
|
rack = Formulary.to_rack(name)
|
|
|
|
odie "#{name} not found in the Cellar." unless rack.directory?
|
|
|
|
versions = rack.subdirs
|
|
.map { |d| Keg.new(d).version }
|
|
.sort
|
|
.join(", ")
|
|
version = args.named.second
|
|
|
|
odie <<~EOS unless (rack/version).directory?
|
|
#{name} does not have a version \"#{version}\" in the Cellar.
|
|
#{name}'s installed versions: #{versions}
|
|
EOS
|
|
|
|
# Unlink all existing versions
|
|
rack.subdirs.each do |v|
|
|
keg = Keg.new(v)
|
|
puts "Cleaning #{keg}"
|
|
keg.unlink
|
|
end
|
|
|
|
keg = Keg.new(rack/version)
|
|
|
|
# Link new version, if not keg-only
|
|
if Formulary.keg_only?(rack)
|
|
keg.optlink(verbose: args.verbose?)
|
|
puts "Opt link created for #{keg}"
|
|
else
|
|
puts "#{keg.link} links created for #{keg}"
|
|
end
|
|
end
|
|
end
|