nf-core_modules/modules/bwameth/align/main.nf
2022-02-04 09:53:32 +01:00

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process BWAMETH_ALIGN {
tag "$meta.id"
label 'process_high'
conda (params.enable_conda ? "bioconda::bwameth=0.2.2" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/bwameth:0.2.2--py_1' :
'quay.io/biocontainers/bwameth:0.2.2--py_1' }"
input:
tuple val(meta), path(reads)
path index
output:
tuple val(meta), path("*.bam"), emit: bam
path "versions.yml" , emit: versions
when:
task.ext.when == null || task.ext.when
script:
def args = task.ext.args ?: ''
def args2 = task.ext.args2 ?: ''
def prefix = task.ext.prefix ?: "${meta.id}"
def read_group = meta.read_group ? "-R ${meta.read_group}" : ""
"""
INDEX=`find -L ${index} -name "*.bwameth.c2t" | sed 's/.bwameth.c2t//'`
# Modify the timestamps so that bwameth doesn't complain about building the index
# See https://github.com/nf-core/methylseq/pull/217
touch -c -- *
bwameth.py \\
$args \\
$read_group \\
-t $task.cpus \\
--reference \$INDEX \\
$reads \\
| samtools view $args2 -@ $task.cpus -bhS -o ${prefix}.bam -
cat <<-END_VERSIONS > versions.yml
"${task.process}":
bwameth: \$(echo \$(bwameth.py --version 2>&1) | cut -f2 -d" ")
END_VERSIONS
"""
}