Fix issue where --follow fails with unhelpful error message, if the l…

…og file does not exist

src/packages/cli/src/cli.ts

@@ -188,8 +188,10 @@ if (argv.action === "start") {
 
       stream.on("error", err => {
         if ((err as NodeJS.ErrnoException).code === "ENOENT") {
-          console.log(
-            `No logs are available for ${instanceName}.\nTry calling some RPC methods.`
+          console.error(
+            `No logs found for ${porscheColor(
+              instanceName
+            )}. The log file may have been deleted.\n\nYou may need to restart the instance.`
           );
         }
       });

src/packages/cli/src/logs-stream.ts

@@ -107,19 +107,10 @@ export function createFollowReadStream(filename: string): Readable {
           watcher.close();
           createStream();
         });
-      });
+      })
+      .on("error", err => followStream.emit("error", err));
   }
   createStream();
 
   return followStream;
 }
-
-function readFromBuffers(buffers: Buffer[], size?: number) {
-  const entireBuffer = Buffer.concat(buffers.splice(0, buffers.length));
-  if (size == undefined || size <= entireBuffer.length) {
-    return entireBuffer;
-  } else {
-    buffers.push(entireBuffer.slice(size + 1));
-    return entireBuffer.slice(0, size);
-  }
-}