added gatk4 revertsam

.github/filters.yml

@@ -136,6 +136,10 @@ gatk4_bedtointervallist:
   - software/gatk4/bedtointervallist/**
   - tests/software/gatk4/bedtointervallist/**
 
+gatk4_revertsam:
+  - software/gatk4/revertsam/**
+  - tests/software/gatk4/revertsam/**
+
 gatk4_samtofastq:
   - software/gatk4/samtofastq/**
   - tests/software/gatk4/samtofastq/**

software/gatk4/revertsam/functions.nf

@@ -0,0 +1,59 @@
+/*
+ * -----------------------------------------------------
+ *  Utility functions used in nf-core DSL2 module files
+ * -----------------------------------------------------
+ */
+
+/*
+ * Extract name of software tool from process name using $task.process
+ */
+def getSoftwareName(task_process) {
+    return task_process.tokenize(':')[-1].tokenize('_')[0].toLowerCase()
+}
+
+/*
+ * Function to initialise default values and to generate a Groovy Map of available options for nf-core modules
+ */
+def initOptions(Map args) {
+    def Map options = [:]
+    options.args          = args.args ?: ''
+    options.args2         = args.args2 ?: ''
+    options.publish_by_id = args.publish_by_id ?: false
+    options.publish_dir   = args.publish_dir ?: ''
+    options.publish_files = args.publish_files
+    options.suffix        = args.suffix ?: ''
+    return options
+}
+
+/*
+ * Tidy up and join elements of a list to return a path string
+ */
+def getPathFromList(path_list) {
+    def paths = path_list.findAll { item -> !item?.trim().isEmpty() }  // Remove empty entries
+    paths = paths.collect { it.trim().replaceAll("^[/]+|[/]+\$", "") } // Trim whitespace and trailing slashes
+    return paths.join('/')
+}
+
+/*
+ * Function to save/publish module results
+ */
+def saveFiles(Map args) {
+    if (!args.filename.endsWith('.version.txt')) {
+        def ioptions = initOptions(args.options)
+        def path_list = [ ioptions.publish_dir ?: args.publish_dir ]
+        if (ioptions.publish_by_id) {
+            path_list.add(args.publish_id)
+        }
+        if (ioptions.publish_files instanceof Map) {
+            for (ext in ioptions.publish_files) {
+                if (args.filename.endsWith(ext.key)) {
+                    def ext_list = path_list.collect()
+                    ext_list.add(ext.value)
+                    return "${getPathFromList(ext_list)}/$args.filename"
+                }
+            }
+        } else if (ioptions.publish_files == null) {
+            return "${getPathFromList(path_list)}/$args.filename"
+        }
+    }
+}

software/gatk4/revertsam/main.nf

@@ -0,0 +1,39 @@
+// Import generic module functions
+include { initOptions; saveFiles; getSoftwareName } from './functions'
+
+params.options = [:]
+def options    = initOptions(params.options)
+
+process GATK4_REVERTSAM {
+    tag "$meta.id"
+    label 'process_medium'
+    publishDir "${params.outdir}",
+        mode: params.publish_dir_mode,
+        saveAs: { filename -> saveFiles(filename:filename, options:params.options, publish_dir:getSoftwareName(task.process), publish_id:meta.id) }
+
+    conda (params.enable_conda ? 'bioconda::gatk4:4.1.9.0' : null)
+    if (workflow.containerEngine == 'singularity' && !params.singularity_pull_docker_container) {
+        container 'https://depot.galaxyproject.org/singularity/gatk4:4.1.9.0--py39_0'
+    } else {
+        container 'quay.io/biocontainers/gatk4:4.1.9.0--py39_0'
+    }
+
+    input:
+    tuple val(meta), path(bam)
+
+    output:
+    tuple val(meta), path('*.bam')       , emit: bam
+    path  '*.version.txt'                , emit: version
+
+    script:
+    def software = getSoftwareName(task.process)
+    def prefix   = options.suffix ? "${meta.id}.${options.suffix}" : "${meta.id}"
+    """
+    gatk RevertSam \\
+        I=$bam \\
+        O=${prefix}.reverted.bam \\
+        $options.args
+
+    gatk --version | grep Picard | sed "s/Picard Version: //g" > ${software}.version.txt
+    """
+}

software/gatk4/revertsam/meta.yml

@@ -40,21 +40,14 @@ input:
         Groovy Map containing sample information
         e.g. [ id:'test']
   - bam:
-      type: list
-      description: Two or more VCF files
-      pattern: "*.{vcf,vcf.gz}"
-  - ref_dict:
       type: file
-      description: Optional Sequence Dictionary as input
-      pattern: "*.dict"
-  - use_ref_dict:
-      type: boolean
-      description: Specify whether or not to use a given reference dictionary
+      description: The input bam/sam file
+      pattern: "*.{bam,sam}"
 output:
-  - vcf:
+  - bam:
       type: file
-      description: merged vcf file
-      pattern: "*.vcf.gz"
+      description: The reverted bam/sam file
+      pattern: "*.reverted.bam"
   - version:
       type: file
       description: File containing software version

tests/software/gatk4/revertsam/main.nf

@@ -2,17 +2,13 @@
 
 nextflow.enable.dsl = 2
 
-include { GATK4_MERGEVCFS } from '../../../../software/gatk4/mergevcfs/main.nf' addParams( options: [:] )
+include { GATK4_REVERTSAM } from '../../../../software/gatk4/revertsam/main.nf' addParams( options: [:] )
 
-workflow test_gatk4_mergevcfs {
+workflow test_gatk4_revertsam {
 
     def input = []
     input = [ [ id:'test' ], // meta map
-              [ file("${launchDir}/tests/data/vcf/test.vcf", checkIfExists: true),
-                file("${launchDir}/tests/data/vcf/test2.vcf.gz", checkIfExists: true),
-                file("${launchDir}/tests/data/vcf/test3.vcf.gz", checkIfExists: true)  ] ]
+                file("${launchDir}/tests/data/bam/sarscov2_aln.bam", checkIfExists: true) ]
 
-    ref_dict = file("tests/data/fasta/test.consensus.for_vcf.dict", checkIfExists: true)
-
-    GATK4_MERGEVCFS ( input, ref_dict, false )
+    GATK4_REVERTSAM( input )
 }

tests/software/gatk4/revertsam/test.yml

@@ -1,8 +1,8 @@
-- name: gatk4 mergevcfs
-  command: nextflow run ./tests/software/gatk4/mergevcfs -entry test_gatk4_mergevcfs -c tests/config/nextflow.config
+- name: gatk4 revertsam
+  command: nextflow run ./tests/software/gatk4/revertsam -entry test_gatk4_revertsam -c tests/config/nextflow.config
   tags:
     - gatk4
-    - gatk4_mergevcfs
+    - gatk4_revertsam
   files:
-    - path: output/gatk4/test.merged.vcf.gz
-      md5sum: f25850b7bd4d362b5ea67d4453e9df55
+    - path: output/gatk4/test.reverted.bam
+      md5sum: 6de199f7a0577e2a3fe7b3a9cb4ae25d