Try to use bash variable indirection

action.yml

@@ -77,6 +77,7 @@ inputs:
     description: "S3 or GCS bucket(s) to mount as volumes."
     required: false
 
+
 runs:
   using: 'composite'
   steps:
@@ -104,8 +105,10 @@ runs:
       run: |
         args=()
         for input in name workspace software container vm-type gpu region disk-size keepalive file env subdomain allow-ssh-from port interactive detach sync root forward-gcp-adc tag sync-ignore mount-bucket; do
-          if [[ -n "${{ inputs.$input }}" ]]; then
-            args+=("--$input" "${{ inputs.$input }}")
+          var_name="INPUT_${input^^}"  # Convert input to uppercase and prefix with INPUT_
+          value="${!var_name}"  # Use variable indirection to get the value
+          if [[ -n "$value" ]]; then
+            args+=("--$input" "$value")
           fi
         done
         micromamba run -n coiled-run coiled run "${{ inputs.command }}" "${args[@]}"