This command-lock-bundle when installed prevents two or more of same command runs simultaneously.

To install command-lock-bundle you will need just a few minutes.

1. Include the command-lock-bundle in the required section of composer.json.

// ...
"require": {
    "jordigracia/command-lock-bundle":"dev-master"
},

"repositories": [
    {
        "url": "git@github.com:jordigracia/command-lock-bundle.git",
        "type": "git"
    }
    ],
// ...

After this run composer update or composer intall to refresh your dependencies.

2. Register the bundle in your Kernel.

<?php

public function registerBundles()
{
    $bundles = array(
        // ...
        new FFreitasBr\CommandLockBundle\CommandLockBundle(),
    );
    // ...
}

3. Configure the directory where the pid lock files will be stored.

...

command_lock:
    pid_directory: "%kernel.root_dir%/data/command_pid_files"

...

Don't worry if you don't have the directories created yet, the bundle will take care of this for you.

4. [OPTIONAL] Configure a list of exceptions.

...


command_lock:
    exceptions:
        - cache:warmup
        - cache:clear

...

The commands listed in this configurations will be allowed to run simultaneously.

Now you have the command-lock-bundle installed and configured, it will now prevents two or more of same command runs simultaneously.