nf-core_modules/modules/bwa/mem/main.nf
Maxime U. Garcia 1765225042
Add new boolean sort_bam as input to be able to chose between sort and view in bwamem and bwamem2mem (#1125)
* feat: view is now in args2 so we can use sort

* forgot one split_cpus

* feat: update with new logic

* fix: add more info

* fix: remove split_cpus logic
2021-12-08 14:31:27 +00:00

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process BWA_MEM {
tag "$meta.id"
label 'process_high'
conda (params.enable_conda ? "bioconda::bwa=0.7.17 bioconda::samtools=1.12" : null)
container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
'https://depot.galaxyproject.org/singularity/mulled-v2-fe8faa35dbf6dc65a0f7f5d4ea12e31a79f73e40:66ed1b38d280722529bb8a0167b0cf02f8a0b488-0' :
'quay.io/biocontainers/mulled-v2-fe8faa35dbf6dc65a0f7f5d4ea12e31a79f73e40:66ed1b38d280722529bb8a0167b0cf02f8a0b488-0' }"
input:
tuple val(meta), path(reads)
path index
val sort_bam
output:
tuple val(meta), path("*.bam"), emit: bam
path "versions.yml" , emit: versions
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}" : ""
def samtools_command = sort_bam ? 'sort' : 'view'
"""
INDEX=`find -L ./ -name "*.amb" | sed 's/.amb//'`
bwa mem \\
$args \\
$read_group \\
-t $task.cpus \\
\$INDEX \\
$reads \\
| samtools $samtools_command $args2 --threads $task.cpus -o ${prefix}.bam -
cat <<-END_VERSIONS > versions.yml
"${task.process}":
bwa: \$(echo \$(bwa 2>&1) | sed 's/^.*Version: //; s/Contact:.*\$//')
samtools: \$(echo \$(samtools --version 2>&1) | sed 's/^.*samtools //; s/Using.*\$//')
END_VERSIONS
"""
}