nf-core_modules/modules/gatk4/createsequencedictionary/main.nf

// Import generic module functions
include { initOptions; saveFiles; getSoftwareName; getProcessName } from './functions'

params.options = [:]
options        = initOptions(params.options)

process GATK4_CREATESEQUENCEDICTIONARY {
    tag "$fasta"
    label 'process_medium'
    publishDir "${params.outdir}",
        mode: params.publish_dir_mode,
        saveAs: { filename -> saveFiles(filename:filename, options:params.options, publish_dir:getSoftwareName(task.process), meta:[:], publish_by_meta:[]) }

    conda (params.enable_conda ? "bioconda::gatk4=4.2.3.0" : null)
    if (workflow.containerEngine == 'singularity' && !params.singularity_pull_docker_container) {
        container "https://depot.galaxyproject.org/singularity/gatk4:4.2.3.0--hdfd78af_0"
    } else {
        container "quay.io/biocontainers/gatk4:4.2.3.0--hdfd78af_0"
    }

    input:
    path fasta

    output:
    path "*.dict"        , emit: dict
    path "versions.yml"  , emit: versions

    script:
    def avail_mem = 6
    if (!task.memory) {
        log.info '[GATK] Available memory not known - defaulting to 6GB. Specify process memory requirements to change this.'
    } else {
        avail_mem = task.memory.giga
    }
    """
    gatk --java-options "-Xmx${avail_mem}g" \\
        CreateSequenceDictionary \\
        --REFERENCE $fasta \\
        --URI $fasta \\
        $options.args

    cat <<-END_VERSIONS > versions.yml
    ${getProcessName(task.process)}:
        ${getSoftwareName(task.process)}: \$(echo \$(gatk --version 2>&1) | sed 's/^.*(GATK) v//; s/ .*\$//')
    END_VERSIONS
    """
}