nf-core_modules/modules/fgbio/fastqtobam/main.nf

process FGBIO_FASTQTOBAM {
    tag "$meta.id"
    label 'process_low'

    conda (params.enable_conda ? "bioconda::fgbio=2.0.2" : null)
    container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
        'https://depot.galaxyproject.org/singularity/fgbio:2.0.2--hdfd78af_0' :
        'quay.io/biocontainers/fgbio:2.0.2--hdfd78af_0' }"

    input:
    tuple val(meta), path(reads)

    output:
    tuple val(meta), path("*.bam") , emit: bam , optional: true
    tuple val(meta), path("*.cram"), emit: cram, optional: true
    path "versions.yml"            , emit: versions

    when:
    task.ext.when == null || task.ext.when

    script:
    def args = task.ext.args ?: ''
    def prefix = task.ext.prefix ?: "${meta.id}"
    def sample_name = args.contains("--sample") ? "" : "--sample ${prefix}"
    def library_name = args.contains("--library") ? "" : "--library ${prefix}"
    def output = prefix =~ /\.(bam|cram)$/ ? prefix : "${prefix}.bam"
    """

    fgbio \\
        --tmp-dir=. \\
        FastqToBam \\
        ${args} \\
        --input ${reads} \\
        --output ${output} \\
        ${sample_name} \\
        ${library_name}

    cat <<-END_VERSIONS > versions.yml
    "${task.process}":
        fgbio: \$( echo \$(fgbio --version 2>&1 | tr -d '[:cntrl:]' ) | sed -e 's/^.*Version: //;s/\\[.*\$//')
    END_VERSIONS
    """
}