Added `-no-history` and `-clear-history` CLI options

CHANGES.md

@@ -8,7 +8,7 @@ Next Release (4.8.6)
 * Evaluate `{closures}` automatically in `String.plus(Closure)` constructs (e.g. `{"[" + {n} + " " + {s00e00} + "]"}`)
 * Ensure that `ActionPopup` is always displayed on top of the Windows Task Bar
 * Improved `-mediainfo -exec` pipeline
-* Added `-no-history` CLI option
+* Added `-no-history` and `-clear-history` CLI options
 * Allow dynamic code evaluation (e.g. `evaluate('/path/to/snippet.groovy' as File)`)
 * Allow `@file.groovy` syntax in `Format Editor` and `Preset Editor` (e.g. `@/path/to/MyFormat.groovy`)
 * Added `--mapper` option (e.g. `--mapper XEM.TheTVDB`)

source/net/filebot/HistorySpooler.java

@@ -81,6 +81,7 @@ public final class HistorySpooler {
 					channel.truncate(channel.position());
 
 					sessionHistory.clear();
+					sessionHistoryTotalSize = 0;
 					persistentHistoryTotalSize = history.totalSize();
 				}
 			}
@@ -89,6 +90,15 @@ public final class HistorySpooler {
 		}
 	}
 
+	public synchronized void clear() throws IOException {
+		log.fine("* Delete " + persistentHistoryFile);
+		persistentHistoryFile.delete();
+
+		sessionHistory.clear();
+		sessionHistoryTotalSize = 0;
+		persistentHistoryTotalSize = 0;
+	}
+
 	public synchronized void append(Map<File, File> elements) {
 		append(elements.entrySet());
 	}

source/net/filebot/Main.java

@@ -75,7 +75,13 @@ public class Main {
 				System.exit(SUCCESS);
 			}
 
-			if (args.clearCache() || args.clearUserData()) {
+			if (args.clearCache() || args.clearUserData() || args.clearHistory()) {
+				// clear persistent history
+				if (args.clearHistory) {
+					log.info("Reset history");
+					HistorySpooler.getInstance().clear();
+				}
+
 				// clear persistent user preferences
 				if (args.clearUserData()) {
 					log.info("Reset preferences");

source/net/filebot/cli/ArgumentBean.java

@@ -153,6 +153,9 @@ public class ArgumentBean {
 	@Option(name = "-clear-prefs", usage = "Clear application settings")
 	public boolean clearPrefs = false;
 
+	@Option(name = "-clear-history", usage = "Clear application history")
+	public boolean clearHistory = false;
+
 	@Option(name = "-version", usage = "Print version identifier")
 	public boolean version = false;
 
@@ -189,6 +192,10 @@ public class ArgumentBean {
 		return clearPrefs;
 	}
 
+	public boolean clearHistory() {
+		return clearHistory;
+	}
+
 	public List<File> getFiles(boolean resolveFolders) throws Exception {
 		if (arguments == null || arguments.isEmpty()) {
 			return emptyList();