CLI hangs when calling task with incompatible host select

[SimJoSt]

• Deployer version: https://github.com/deployphp/deployer/releases/tag/v7.3.1
• Deployment OS: macOS

We noticed that tasks that have been restricted to specific hosts with select() cause issues when run directly via the cli without a compatible host. For example, running the following command with the following task, will cause the cli to hang forever:

$ ./vendors/bin/dep single env=prod

task('single', function(){
    echo 'single';
})->select('env=dev');

If the task that is restricted to a host is invoked from a group task, this issue doesn't occur:

task('group', [
    'single'
]);

task('single', function(){
    echo 'single';
})->select('env=dev');

In this scenario, the cli ends the run without an issue.

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[antonmedv]

Hmmm, intresting.