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# frozen_string_literal: true
require "optparse"
module Launchy
# Internal: Command line interface for Launchy
#
class Cli
attr_reader :options
def initialize
@options = {}
end
def parser
@parser ||= OptionParser.new do |op|
op.banner = "Usage: launchy [options] thing-to-launch"
op.separator ""
op.separator "Launch Options:"
op.on("-a", "--application APPLICATION",
"Explicitly specify the application class to use in the launch") do |app|
@options[:application] = app
end
op.on("-d", "--debug",
"Force debug. Output lots of information.") do |_d|
@options[:debug] = true
end
op.on("-n", "--dry-run", "Don't launchy, print the command to be executed on stdout") do |_x|
@options[:dry_run] = true
end
op.on("-o", "--host-os HOST_OS",
"Force launchy to behave as if it was on a particular host os.") do |os|
@options[:host_os] = os
end
op.separator ""
op.separator "Standard Options:"
op.on("-h", "--help", "Print this message.") do |_h|
$stdout.puts op.to_s
exit 0
end
op.on("-v", "--version", "Output the version of Launchy") do |_v|
$stdout.puts "Launchy version #{Launchy::VERSION}"
exit 0
end
end
end
def parse(argv, _env)
parser.parse!(argv)
true
rescue ::OptionParser::ParseError => e
error_output(e)
end
def good_run(argv, env)
return false unless parse(argv, env)
Launchy.open(argv.shift, options) { |e| error_output(e) }
true
end
def error_output(error)
$stderr.puts "ERROR: #{error}"
Launchy.log "ERROR: #{error}"
error.backtrace.each do |bt|
Launchy.log bt
end
$stderr.puts "Try `#{parser.program_name} --help' for more information."
false
end
def run(argv = ARGV, env = ENV)
exit 1 unless good_run(argv, env)
end
end
end
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