Module: Lanes::Command

Defined in:
lib/lanes/command.rb,
lib/lanes/command/db.rb,
lib/lanes/command/app.rb,
lib/lanes/command/server.rb,
lib/lanes/command/update.rb,
lib/lanes/command/console.rb,
lib/lanes/command/generate.rb,
lib/lanes/command/update_model.rb,
lib/lanes/command/generate_view.rb,
lib/lanes/command/named_command.rb,
lib/lanes/command/generate_model.rb,
lib/lanes/command/generate_screen.rb,
lib/lanes/command/model_attribute.rb,
lib/lanes/command/client_model_update.rb

Defined Under Namespace

Modules: ClientModelUpdate Classes: App, Console, Db, Generate, GenerateModel, GenerateScreen, GenerateView, ModelAttribute, NamedCommand, Server, Update, UpdateModel

Class Method Summary collapse

Class Method Details

._maybe_fail(should_raise) ⇒ Object

Raises:

  • (Thor::Error) 


37
38
39
40
 
# File 'lib/lanes/command.rb', line 37

def _maybe_fail(should_raise)
    raise Thor::Error.new("Unable to locate Lanes environment.\nDoes ./lib/*/extension.rb exist?") if should_raise
    return nil
end

.load_current_extension(raise_on_fail: false) ⇒ Extension

Loads the code for the extension that the user is currently working inside. The ‘lanes` command uses this to detect what actions should be taken.

Will silently swallow any exceptions that are raised when the file is required and return nil

Returns:

  • (Extension) —

    extension that was loaded, nil if none was found



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'lib/lanes/command.rb', line 21

def load_current_extension(raise_on_fail:false)
    previous = Extensions.all
    ext = Dir.glob("./lib/*/extension.rb").first
    if ext
        begin
            require(ext)
        rescue =>e
            stack = e.backtrace[0..4].join("\n")
            raise Thor::Error.new("Loading ./lib/*/extension.rb failed with: #{e}\n#{stack}")
        end
        Extensions.controlling
    else
        return _maybe_fail(raise_on_fail)
    end
end

.usage_from_file(file) ⇒ Object

Reads and returns the contents of a usage file. Used internally by commands to populate their long_desc

Parameters:

  • basename (String) —

    of file to read usage from



10
11
12
 
# File 'lib/lanes/command.rb', line 10

def usage_from_file(file)
    Pathname.new(__FILE__).dirname.join("command","#{file}.usage").read.gsub(/\n/,"\n\x5")
end