Sha256: 5efe087ddebe090db4db67c3a016550fd7ca275bdd757d86d50f6614d4a97058
Contents?: true
Size: 1.82 KB
Versions: 25
Compression:
Stored size: 1.82 KB
Contents
module Fission
class CLI
def self.execute(args=ARGV)
optparse = OptionParser.new do |opts|
opts.banner = "\nUsage: fission [options] COMMAND [arguments]"
opts.on_head('-v', '--version', 'Output the version of fission') do
Fission.ui.output Fission::VERSION
exit(0)
end
opts.on_head('-h', '--help', 'Displays this message') do
show_all_help(optparse)
exit(0)
end
opts.define_tail do
commands_banner
end
end
begin
optparse.order! args
rescue OptionParser::InvalidOption => e
Fission.ui.output e
show_all_help(optparse)
exit(1)
end
if commands.include?(args.first)
@cmd = Fission::Command.const_get(args.first.capitalize).new args.drop 1
elsif is_snapshot_command?(args)
klass = args.take(2).map {|c| c.capitalize}.join('')
@cmd = Fission::Command.const_get(klass).new args.drop 2
else
show_all_help(optparse)
exit(1)
end
begin
@cmd.execute
rescue Error => e
puts "Error: #{e}"
end
end
def self.commands
cmds = Dir.entries(File.join(File.dirname(__FILE__), 'command')).select do |file|
!File.directory? file
end
cmds.map { |cmd| File.basename(cmd, '.rb').gsub '_', ' ' }
end
private
def self.is_snapshot_command?(args)
args.first == 'snapshot' && args.count > 1 && commands.include?(args.take(2).join(' '))
end
def self.commands_banner
text = "\nCommands:\n"
Fission::Command.descendants.each do |command_klass|
text << (command_klass.send :help)
end
text
end
def self.show_all_help(options)
Fission.ui.output options
Fission.ui.output commands_banner
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems