Use set -x to better see what happens

.github/workflows/lint.yml

@@ -71,15 +71,19 @@ jobs:
             womtool validate $WDL_FILE
           done
       - name: run miniwdl check
-        run: bash -c 'miniwdl check $(git ls-files *.wdl)'
+        run: |
+          set -x
+          bash -c 'miniwdl check $(git ls-files *.wdl)'
 
       - name: Check copyright headers
         run: | 
+          set -x
           for WDL_FILE in $(git diff --name-only origin/${{github.base_ref}} | grep -E '*.wdl$'); do
             grep Copyright $WDL_FILE || bash -c "echo No copyright header in $WDL_FILE && exit 1"
           done
       - name: Check parameter_meta for inputs
         run: |
+          set -x
           for WDL_FILE in $(git diff --name-only origin/${{github.base_ref}} | grep -E '*.wdl$'); do
             wdl-aid --strict $WDL_FILE > /dev/null 2> wdl-aid_stderr || 
             if grep -z  'ValueError: Missing parameter_meta for inputs:' wdl-aid_stderr