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module Bundler
class CLI::Exec
attr_reader :options, :args, :cmd
def initialize(options, args)
@options = options
@cmd = args.shift
@args = args
if RUBY_VERSION >= "2.0"
@args << { :close_others => !options.keep_file_descriptors? }
elsif options.keep_file_descriptors?
Bundler.ui.warn "Ruby version #{RUBY_VERSION} defaults to keeping non-standard file descriptors on Kernel#exec."
end
end
def run
ui = Bundler.ui
raise ArgumentError if cmd.nil?
# First, try to exec directly to something in PATH
SharedHelpers.set_bundle_environment
bin_path = Bundler.which(@cmd)
if bin_path
Bundler.ui = nil
Kernel.exec(bin_path, *args)
end
# If that didn't work, set up the whole bundle
Bundler.definition.validate_ruby!
Bundler.load.setup_environment
Bundler.ui = nil
Kernel.exec(@cmd, *args)
rescue Errno::EACCES
Bundler.ui = ui
Bundler.ui.error "bundler: not executable: #{cmd}"
exit 126
rescue Errno::ENOENT
Bundler.ui = ui
Bundler.ui.error "bundler: command not found: #{cmd}"
Bundler.ui.warn "Install missing gem executables with `bundle install`"
exit 127
rescue ArgumentError
Bundler.ui = ui
Bundler.ui.error "bundler: exec needs a command to run"
exit 128
end
end
end
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