Add very verbose (debug) mode by double -v -v (#279)

* Add very verbose (debug) mode by double -v -v - currently only used for debugging the inotify events

README.md

@@ -499,7 +499,7 @@ no option                      No sync and exit
                      --syncdir Set the directory used to sync the files that are synced
                  --synchronize Perform a synchronization
                  --upload-only Only upload to OneDrive, do not sync changes from OneDrive locally
--v                   --verbose Print more details, useful for debugging
+-v                   --verbose Print more details, useful for debugging (repeat for extra debugging)
                      --version Print the version and exit
 -h                      --help This help information.
 ```

onedrive.1.in

@@ -79,7 +79,8 @@ Perform a synchronization
 Only upload to OneDrive, do not sync changes from OneDrive locally
 .TP
 \fB\-v \-\-verbose\fP
-Print more details, useful for debugging
+Print more details, useful for debugging. Given two times (or more)
+enables even more verbose debug statements.
 .TP
 \fB\-\-version\fP
 Print the version and exit

src/log.d

@@ -10,7 +10,7 @@ version(Notifications) {
 }
 
 // enable verbose logging
-bool verbose;
+int verbose;
 bool writeLogFile = false;
 
 private bool doNotifications;
@@ -69,7 +69,7 @@ void fileOnly(T...)(T args)
 
 void vlog(T...)(T args)
 {
-	if (verbose) {
+	if (verbose >= 1) {
 		writeln(args);
 		if(writeLogFile){
 			// Write to log file
@@ -78,6 +78,17 @@ void vlog(T...)(T args)
 	}
 }
 
+void vdebug(T...)(T args)
+{
+	if (verbose >= 2) {
+		writeln("[DEBUG] ", args);
+		if(writeLogFile){
+			// Write to log file
+			logfileWriteLine("[DEBUG] ", args);
+		}
+	}
+}
+
 void error(T...)(T args)
 {
 	stderr.writeln(args);

src/main.d

@@ -121,7 +121,7 @@ int main(string[] args)
 			"syncdir", "Set the directory used to sync the files that are synced", &syncDirName,
 			"synchronize", "Perform a synchronization", &synchronize,
 			"upload-only", "Only upload to OneDrive, do not sync changes from OneDrive locally", &uploadOnly,
-			"verbose|v", "Print more details, useful for debugging", &log.verbose,
+			"verbose|v+", "Print more details, useful for debugging (repeat for extra debugging)", &log.verbose,
 			"version", "Print the version and exit", &printVersion
 		);
 		if (opt.helpWanted) {

src/monitor.d

@@ -186,8 +186,10 @@ final class Monitor
 				}
 
 				if (event.mask & IN_MOVED_FROM) {
+					log.vdebug("event IN_MOVED_FROM: ", path);
 					cookieToPath[event.cookie] = path;
 				} else if (event.mask & IN_MOVED_TO) {
+					log.vdebug("event IN_MOVED_TO: ", path);
 					if (event.mask & IN_ISDIR) addRecursive(path);
 					auto from = event.cookie in cookieToPath;
 					if (from) {
@@ -202,15 +204,19 @@ final class Monitor
 						}
 					}
 				} else if (event.mask & IN_CREATE) {
+					log.vdebug("event IN_CREATE: ", path);
 					if (event.mask & IN_ISDIR) {
 						addRecursive(path);
 						if (useCallbacks) onDirCreated(path);
 					}
 				} else if (event.mask & IN_DELETE) {
+					log.vdebug("event IN_DELETE: ", path);
 					if (useCallbacks) onDelete(path);
 				} else if ((event.mask & IN_CLOSE_WRITE) && !(event.mask & IN_ISDIR)) {
+					log.vdebug("event IN_CLOSE_WRITE and ...: ", path);
 					if (useCallbacks) onFileChanged(path);
 				} else {
+					log.vdebug("event unhandled: ", path);
 					assert(0);
 				}
 
@@ -219,6 +225,7 @@ final class Monitor
 			}
 			// assume that the items moved outside the watched directory have been deleted
 			foreach (cookie, path; cookieToPath) {
+				log.vdebug("deleting (post loop): ", path);
 				if (useCallbacks) onDelete(path);
 				remove(path);
 				cookieToPath.remove(cookie);