fix gh wf workflow

.github/workflows/create-lint-wf.yml

@@ -1,15 +1,25 @@
 name: Create a pipeline and lint it
 on: [push, pull_request]
 
+env:
+  NXF_ANSI_LOG: false
+  CAPSULE_LOG: none
+
 jobs:
   MakeTestWorkflow:
     runs-on: ubuntu-latest
     env:
       NXF_ANSI_LOG: false
     strategy:
       matrix:
-        # Nextflow versions: check pipeline minimum and latest edge version
-        nxf_ver: ["NXF_VER=21.10.3", "NXF_EDGE=1"]
+        # Nextflow versions
+        include:
+          # Test pipeline minimum Nextflow version
+          - NXF_VER: '21.10.3'
+            NXF_EDGE: ''
+          # Test latest edge release of Nextflow
+          - NXF_VER: ''
+            NXF_EDGE: '1'
     steps:
       - uses: actions/checkout@v2
         name: Check out source-code repository
@@ -26,12 +36,13 @@ jobs:
 
       - name: Install Nextflow
         env:
-          CAPSULE_LOG: none
+          NXF_VER: ${{ matrix.NXF_VER }}
+          # Uncomment only if the edge release is more recent than the latest stable release
+          # See https://github.com/nextflow-io/nextflow/issues/2467
+          # NXF_EDGE: ${{ matrix.NXF_EDGE }}
         run: |
           wget -qO- get.nextflow.io | bash
           sudo mv nextflow /usr/local/bin/
-          export ${{ matrix.nxf_ver }}
-          nextflow self-update
 
       - name: nf-core create
         run: nf-core --log-file log.txt create -n testpipeline -d "This pipeline is for testing" -a "Testing McTestface"