So in the existing project that I started using only composer require symfony/console and had to manually create the console.php file, I did the following:
Require the Sensio Bundle:
$ composer require sensio/generator-bundle
Then, in console.php, require the Sensio Bundle
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use Sensio\Bundle\GeneratorBundle\Command\GenerateCommandCommand;
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$console->add(new GenerateCommandCommand());
Now when I run the console.php file, the help text shows a link to that command.
$ php console.php
Console Tool
Usage:
command [options] [arguments]
Options:
-h, --help Display this help message
-q, --quiet Do not output any message
-V, --version Display this application version
--ansi Force ANSI output
--no-ansi Disable ANSI output
-n, --no-interaction Do not ask any interactive question
-v|vv|vvv, --verbose Increase the verbosity of messages: 1 for normal output, 2 for more verbose output and 3 for debug
Available commands:
help Displays help for a command
list Lists commands
generate
generate:command Generates a console command