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Update bin/yarn template

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Prevent script from looping onto itself
This commit is contained in:
Rodrigo Andrés Contreras Vilina 2020-11-27 11:51:15 -03:00
parent f75546891a
commit ca81d23c2c
1 changed files with 9 additions and 1 deletions
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railties/lib/rails/generators/rails/app/templates/bin/yarn.tt
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@ -1,6 +1,14 @@
require 'pathname'
APP_ROOT = File.expand_path('..', __dir__)
Dir.chdir(APP_ROOT) do
exec "yarn", *ARGV
executable_path = ENV["PATH"].split(File::PATH_SEPARATOR).find do |path|
normalized_path = File.expand_path(path)
normalized_path != __dir__ && File.executable?(Pathname.new(normalized_path).join('yarn'))
end
exec File.expand_path(Pathname.new(executable_path).join('yarn')), *ARGV
rescue Errno::ENOENT
$stderr.puts "Yarn executable was not detected in the system."
$stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"