Replace /home/lvuser with /home/systemcore (#8002)

wpilibj/src/main/java/edu/wpi/first/wpilibj/DataLogManager.java

@@ -29,7 +29,7 @@ import java.util.Random;
  * Centralized data log that provides automatic data log file management. It automatically cleans up
  * old files when disk space is low and renames the file based either on current date/time or (if
  * available) competition match number. The data file will be saved to a USB flash drive in a folder
- * named "logs" if one is attached, or to /home/lvuser/logs otherwise.
+ * named "logs" if one is attached, or to /home/systemcore/logs otherwise.
  *
  * <p>Log files are initially named "FRC_TBD_{random}.wpilog" until the DS connects. After the DS
  * connects, the log file is renamed to "FRC_yyyyMMdd_HHmmss.wpilog" (where the date/time is UTC).
@@ -251,17 +251,11 @@ public final class DataLogManager {
       } catch (IOException ex) {
         // ignored
       }
-      if (RobotBase.getRuntimeType() == RuntimeType.kRoboRIO) {
-        DriverStation.reportWarning(
-            "DataLogManager: Logging to RoboRIO 1 internal storage is not recommended!"
-                + " Plug in a FAT32 formatted flash drive!",
-            false);
-      }
-      if (!new File("/home/lvuser/logs").mkdir()) {
+      if (!new File("/home/systemcore/logs").mkdir()) {
         // ignored
       }
       HAL.reportUsage("DataLogManager", "Onboard");
-      return "/home/lvuser/logs";
+      return "/home/systemcore/logs";
     }
     String logDir = Filesystem.getOperatingDirectory().getAbsolutePath() + "/logs";
     if (!new File(logDir).mkdir()) {
@@ -297,7 +291,7 @@ public final class DataLogManager {
 
   private static void startConsoleLog() {
     if (RobotBase.isReal()) {
-      m_consoleLogger = new FileLogger("/home/lvuser/FRC_UserProgram.log", m_log, "console");
+      m_consoleLogger = new FileLogger("/home/systemcore/FRC_UserProgram.log", m_log, "console");
     }
   }
 

wpilibj/src/main/java/edu/wpi/first/wpilibj/Filesystem.java

@@ -10,8 +10,8 @@ import java.io.File;
  * Class for interacting with the Filesystem, particularly, interacting with FRC-related paths on
  * the system, such as the launch and deploy directories.
  *
- * <p>This class is primarily used for obtaining resources in src/main/deploy, and the RoboRIO path
- * /home/lvuser in a simulation-compatible way.
+ * <p>This class is primarily used for obtaining resources in src/main/deploy, and the systemcore
+ * path /home/systemcore in a simulation-compatible way.
  */
 public final class Filesystem {
   private Filesystem() {}
@@ -33,14 +33,14 @@ public final class Filesystem {
   }
 
   /**
-   * Obtains the operating directory of the program. On the roboRIO, this is /home/lvuser. In
+   * Obtains the operating directory of the program. On the systemcore, this is /home/systemcore. In
    * simulation, it is where the simulation was launched from (`pwd`).
    *
    * @return The operating directory
    */
   public static File getOperatingDirectory() {
     if (!RobotBase.isSimulation()) {
-      return new File("/home/lvuser");
+      return new File("/home/systemcore");
     } else {
       return getLaunchDirectory();
     }
@@ -48,8 +48,8 @@ public final class Filesystem {
 
   /**
    * Obtains the 'deploy' directory of the program, located at src/main/deploy, which is deployed by
-   * default. On the roboRIO, this is /home/lvuser/deploy. In simulation, it is where the simulation
-   * was launched from, in the subdirectory "src/main/deploy" (`pwd`/src/main/deploy).
+   * default. On the systemcore, this is /home/systemcore/deploy. In simulation, it is where the
+   * simulation was launched from, in the subdirectory "src/main/deploy" (`pwd`/src/main/deploy).
    *
    * @return The 'deploy' directory
    */

wpilibj/src/main/java/edu/wpi/first/wpilibj/RobotBase.java

@@ -99,7 +99,7 @@ public abstract class RobotBase implements AutoCloseable {
     // subscribe to "" to force persistent values to propagate to local
     m_suball = new MultiSubscriber(inst, new String[] {""});
     if (!isSimulation()) {
-      inst.startServer("/home/lvuser/networktables.json");
+      inst.startServer("/home/systemcore/networktables.json");
     } else {
       inst.startServer();
     }
@@ -168,7 +168,7 @@ public abstract class RobotBase implements AutoCloseable {
    */
   public static boolean isReal() {
     RuntimeType runtimeType = getRuntimeType();
-    return runtimeType == RuntimeType.kRoboRIO || runtimeType == RuntimeType.kRoboRIO2;
+    return runtimeType == RuntimeType.kSystemCore;
   }
 
   /**