Using a 'withName' selector with a pattern gives a warning about an unknown process

[emi80]

Bug report

Expected behavior and actual behavior

A warning is reported when a withName selector is used with a pattern. The pattern matching seems to work though.

Program output

N E X T F L O W  ~  version 0.32.0
Launching `./main.nf` [mighty_koch] - revision: df33739027
WARN: The config file defines settings for an unknown process: a|b
[warm up] executor > local
[8e/040181] Submitted process > a
[93/d0d11c] Submitted process > b

Steps to reproduce the problem

main.nf file:

process a {
    """
    echo a
    """
}

process b {
    """
    echo b
    """
}

nextflow.config file:

process {
    withName: 'a|b' {
        cpus = 2
    }
}

command:

nextflow run .

Environment

• Nextflow version: 0.32.0
• Java version: 1.8
• Operating system: macOS, Linux