class Anvil::Cli
Anvil
command line interface
Constants
- HELP_HEADER
Public Instance Methods
bad_arguments(task_name)
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# File lib/anvil/cli.rb, line 56 def bad_arguments(task_name) Anvil.logger.info("Wrong number of arguments.\n") HelpTask.run(task_name) end
build_task(argv)
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Builds a task and prepares it to run
@param argv [Array] Command line arguments @return [Anvil::Task] A task ready to run
# File lib/anvil/cli.rb, line 36 def build_task(argv) arguments = argv.dup task_name = arguments.shift klazz = Task.from_name(task_name) klazz.new(*klazz.parse_options!(arguments)) rescue NameError task_not_found(task_name) exit false rescue ArgumentError bad_arguments(task_name) exit false end
load_tasks()
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# File lib/anvil/cli.rb, line 28 def load_tasks Anvil::ExtensionsManager.load_tasks end
print_help_body(task_name = nil)
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# File lib/anvil/cli.rb, line 61 def print_help_body(task_name = nil) task_list(task_name).each { |task| print_task_line(task) } end
print_help_header()
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# File lib/anvil/cli.rb, line 77 def print_help_header Anvil.logger.info HELP_HEADER end
print_task_line(task)
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# File lib/anvil/cli.rb, line 72 def print_task_line(task) message = format '%-20s %s', task.task_name, task.description Anvil.logger.info message end
run(argv)
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Runs a task or prints its help if it needs arguments
@param argv [Array] Command line arguments @return [Object, nil] Anything the task returns
# File lib/anvil/cli.rb, line 19 def run(argv) load_tasks return build_task(argv).run unless argv.empty? print_help_header print_help_body end
task_list(task_name)
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# File lib/anvil/cli.rb, line 65 def task_list(task_name) tasks = Anvil::ExtensionsManager.tasks_by_name return tasks unless task_name tasks.select { |task| task.to_s.underscore =~ /#{task_name}/ } end
task_not_found(task_name = nil)
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# File lib/anvil/cli.rb, line 49 def task_not_found(task_name = nil) Anvil.logger.info "Task '#{task_name}' not found" Anvil.logger.info('Maybe you mean one of the following') if task_name Anvil.logger.info("\n") print_help_body task_name end