89 lines
2.3 KiB
Ruby
89 lines
2.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require_relative "../current_ruby"
|
|
|
|
module Bundler
|
|
class CLI::Exec
|
|
attr_reader :options, :args, :cmd
|
|
|
|
TRAPPED_SIGNALS = %w[INT].freeze
|
|
|
|
def initialize(options, args)
|
|
@options = options
|
|
@cmd = args.shift
|
|
@args = args
|
|
@args << { :close_others => !options.keep_file_descriptors? } unless Bundler.current_ruby.jruby?
|
|
end
|
|
|
|
def run
|
|
validate_cmd!
|
|
SharedHelpers.set_bundle_environment
|
|
if bin_path = Bundler.which(cmd)
|
|
if !Bundler.settings[:disable_exec_load] && ruby_shebang?(bin_path)
|
|
return kernel_load(bin_path, *args)
|
|
end
|
|
kernel_exec(bin_path, *args)
|
|
else
|
|
# exec using the given command
|
|
kernel_exec(cmd, *args)
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def validate_cmd!
|
|
return unless cmd.nil?
|
|
Bundler.ui.error "bundler: exec needs a command to run"
|
|
exit 128
|
|
end
|
|
|
|
def kernel_exec(*args)
|
|
Kernel.exec(*args)
|
|
rescue Errno::EACCES, Errno::ENOEXEC
|
|
Bundler.ui.error "bundler: not executable: #{cmd}"
|
|
exit 126
|
|
rescue Errno::ENOENT
|
|
Bundler.ui.error "bundler: command not found: #{cmd}"
|
|
Bundler.ui.warn "Install missing gem executables with `bundle install`"
|
|
exit 127
|
|
end
|
|
|
|
def kernel_load(file, *args)
|
|
args.pop if args.last.is_a?(Hash)
|
|
ARGV.replace(args)
|
|
$0 = file
|
|
Process.setproctitle(process_title(file, args)) if Process.respond_to?(:setproctitle)
|
|
require_relative "../setup"
|
|
TRAPPED_SIGNALS.each {|s| trap(s, "DEFAULT") }
|
|
Kernel.load(file)
|
|
rescue SystemExit, SignalException
|
|
raise
|
|
rescue Exception # rubocop:disable Lint/RescueException
|
|
Bundler.ui.error "bundler: failed to load command: #{cmd} (#{file})"
|
|
Bundler::FriendlyErrors.disable!
|
|
raise
|
|
end
|
|
|
|
def process_title(file, args)
|
|
"#{file} #{args.join(" ")}".strip
|
|
end
|
|
|
|
def ruby_shebang?(file)
|
|
possibilities = [
|
|
"#!/usr/bin/env ruby\n",
|
|
"#!/usr/bin/env jruby\n",
|
|
"#!/usr/bin/env truffleruby\n",
|
|
"#!#{Gem.ruby}\n",
|
|
]
|
|
|
|
if File.zero?(file)
|
|
Bundler.ui.warn "#{file} is empty"
|
|
return false
|
|
end
|
|
|
|
first_line = File.open(file, "rb") {|f| f.read(possibilities.map(&:size).max) }
|
|
possibilities.any? {|shebang| first_line.start_with?(shebang) }
|
|
end
|
|
end
|
|
end
|