Classes/Console/Mvc/Cli/CommandCollection.php
public function find(string $possibleName): string
    {
        $allCommands = $this->getNames();
        $expr = preg_replace_callback('{([^:]+|)}', function ($matches) {
            return preg_quote($matches[1], '/') . '[^:]*';
        }, $possibleName);
        $commands = preg_grep('{^' . $expr . '}', $allCommands);

        if (empty($commands)) {
            $commands = preg_grep('{^' . $expr . '}i', $allCommands);
        }

        // filter out aliases for commands which are already on the list
        if (count($commands) > 1) {
            $commandList = $this->commands;
            $commands = array_unique(array_filter($commands, function ($nameOrAlias) use ($commandList, $commands) {
                $commandName = $commandList[$nameOrAlias]['name'];

                return $commandName === $nameOrAlias || !in_array($commandName, $commands, true);
            }));
        }

        return !empty($commands) && count($commands) === 1 ? $this->commands[reset($commands)]['name'] : $possibleName;
    }
public function find(string $possibleName): string
    {
        $allCommands = $this->getNames();
        $expr = preg_replace_callback('{([^:]+|)}', function ($matches) {
            return preg_quote($matches[1], '/') . '[^:]*';
        }, $possibleName);
        $commands = preg_grep('{^' . $expr . '}', $allCommands);

        if (empty($commands)) {
            $commands = preg_grep('{^' . $expr . '}i', $allCommands);
        }

        // filter out aliases for commands which are already on the list
        if (count($commands) > 1) {
            $commandList = $this->commands;
            $commands = array_unique(array_filter($commands, function ($nameOrAlias) use ($commandList, $commands) {
                $commandName = $commandList[$nameOrAlias]['name'];

                return $commandName === $nameOrAlias || !in_array($commandName, $commands, true);
            }));
        }

        return !empty($commands) && count($commands) === 1 ? $this->commands[reset($commands)]['name'] : $possibleName;
    }
Try resolving short command names and aliases
If that fails, we return the command name as is and let the application throw an exception.

Inspired by \Symfony\Component\Console\Application::find()

@param string $possibleName
@return string