Added the meta map to minimap2/index (#1934)

modules/minimap2/index/main.nf

@@ -7,11 +7,11 @@ process MINIMAP2_INDEX {
         'quay.io/biocontainers/minimap2:2.21--h5bf99c6_0' }"
 
     input:
-    path fasta
+    tuple val(meta), path(fasta)
 
     output:
-    path "*.mmi"        , emit: index
-    path "versions.yml" , emit: versions
+    tuple val(meta), path("*.mmi"), emit: index
+    path "versions.yml"           , emit: versions
 
     when:
     task.ext.when == null || task.ext.when

modules/minimap2/index/meta.yml

@@ -12,11 +12,21 @@ tools:
       documentation: https://github.com/lh3/minimap2#uguide
       licence: ["MIT"]
 input:
+  - meta:
+      type: map
+      description: |
+        Groovy Map containing sample information
+        e.g. [ id:'test', single_end:false ]
   - fasta:
       type: file
       description: |
         Reference database in FASTA format.
 output:
+  - meta:
+      type: map
+      description: |
+        Groovy Map containing sample information
+        e.g. [ id:'test', single_end:false ]
   - mmi:
       type: file
       description: Minimap2 fasta index.

tests/modules/minimap2/index/main.nf

@@ -8,5 +8,5 @@ workflow test_minimap2_index {
 
     fasta = file(params.test_data['sarscov2']['genome']['genome_fasta'], checkIfExists: true)
 
-    MINIMAP2_INDEX ( fasta )
+    MINIMAP2_INDEX ( [ [id:'test'], fasta ] )
 }