properly send arguments into command

action.yml

@@ -44,21 +44,21 @@ runs:
         # setup split type
         if [ -n "${{ inputs.junit-path }}" ]; then
           echo "junit-path set. Splitting based on JUnit timings"
-          SPLIT_BY="-junit -junit-path=${{ inputs.junit-path }}"
+          SPLIT_BY=("-junit" "-junit-path='${{ inputs.junit-path }'")
         elif [ -n "${{ inputs.line-count }}" ]; then
           echo "line-count set. Splitting based on test line count"
-          SPLIT_BY="-line-count"
+          SPLIT_BY=("-line-count")
         else
           echo "No split type arguments set. Using default"
-          SPLIT_BY=""
+          SPLIT_BY=()
         fi
 
-        EXCLUDE_GLOB=""
+        EXCLUDE_GLOB=()
         if [ -n "${{ inputs.exclude-glob }}" ]; then
-          EXCLUDE_GLOB="-exclude-glob='${{ inputs.exclude-glob }}'"
+          EXCLUDE_GLOB=("-exclude-glob='${{ inputs.exclude-glob }}'")
         fi
 
-        TESTS=$(./split_tests ${SPLIT_BY} -split-index=${{ inputs.split-index }} -split-total=${{ inputs.split-total }} -glob='${{ inputs.glob }}' ${EXCLUDE_GLOB})
+        TESTS=$(./split_tests ${SPLIT_BY[@]} -split-index=${{ inputs.split-index }} -split-total=${{ inputs.split-total }} -glob='${{ inputs.glob }}' ${EXCLUDE_GLOB[@]})
 
         echo $TESTS