More CLI output improvements, add --no-color option

Author: mikera

convex-cli/src/main/java/convex/cli/Main.java

@@ -99,8 +99,14 @@ public class Main extends ACommand {
 
 	@Option(names = { "-n","--noninteractive" }, 
 			scope = ScopeType.INHERIT, 
-			description = "Specify to disable interactive prompts")
+			description = "Specify to disable interactive prompts. Intended for scripts.")
 	private boolean nonInteractive;
+	
+	@Option(names = { "--no-color" }, 
+			scope = ScopeType.INHERIT, 
+			defaultValue = "${env:NO_COLOR}", 
+			description = "Suppress ANSI colour output. Can also stop with NO_COLOR uenviornment variable")
+	private boolean noColour;
 
 	@Option(names = { "-v","--verbose" }, 
 			scope = ScopeType.INHERIT, 
@@ -204,7 +210,8 @@ public int handleExecutionException(Exception ex, CommandLine commandLine, Parse
 			PrintWriter err = commandLine.getErr();
 			if (ex instanceof CLIError) {
 				CLIError ce = (CLIError) ex;
-				String msg=Coloured.red(ce.getMessage());
+				String msg=ce.getMessage();
+				msg=noColour?msg:Coloured.red(msg);
 				err.println(msg);
 				Throwable cause = ce.getCause();
 				if (cause != null) {
@@ -503,12 +510,12 @@ public String loadFileAsString(String fname) {
 	}
 
 
-	public void informSuccess(String msg) {
-		inform(1, Coloured.green(msg));
+	public void informSuccess(String message) {
+		inform(1, noColour?message:Coloured.green(message));
 	}
 
 	public void inform(String message) {
-		inform(1, Coloured.yellow(message));
+		inform(1, noColour?message:Coloured.yellow(message));
 	}
 
 	private void inform(int level, String message) {

convex-cli/src/main/java/convex/cli/client/Query.java

@@ -47,7 +47,7 @@ public void run() {
 		} catch (IOException e) {
 			throw new CLIError("IO Error executing query",e);
 		} catch (TimeoutException e) {
-			throw new CLIError("Query timed out");
+			throw new CLIError("Query timed out. Perhaps there is a network problem, or the host is not an operational Convex peer?");
 		}
 	}
 }

convex-core/src/main/java/etch/Etch.java

@@ -604,7 +604,7 @@ synchronized void close() {
 
 			data.close();
 
-			log.debug("Etch closed on file: "+ getFileName() +" with data length: "+dataLength);
+			log.trace("Etch closed on file: "+ getFileName() +" with data length: "+dataLength);
 		} catch (IOException e) {
 			log.error("Error closing Etch file: "+file);
 		}

convex-peer/src/main/java/convex/net/Connection.java

@@ -206,7 +206,7 @@ public static Connection connect(InetSocketAddress socketAddress, Consumer<Messa
 
 		Connection pc = create(clientChannel, receiveAction, store, trustedPeerKey);
 		pc.startClientListening();
-		log.debug("Connect succeeded for host: {}", socketAddress);
+		log.trace("Connect succeeded for host: {}", socketAddress);
 		return pc;
 	}
 
@@ -554,7 +554,7 @@ private static void ensureSelectorLoop() {
 	private static Runnable selectorLoop = new Runnable() {
 		@Override
 		public void run() {
-			log.debug("Client selector loop starting...");
+			log.trace("Client selector loop starting...");
 			while (true) {
 				try {
 					selector.select(300);
@@ -583,7 +583,7 @@ public void run() {
 							log.trace("Unexpected IOException, cancelling key: {}", e);
 							key.cancel();
 						} catch (CancelledKeyException e) {
-							log.debug("Cancelled key");
+							log.trace("Cancelled key");
 						}
 					}
 				} catch (Exception t) {
@@ -610,12 +610,12 @@ protected static void selectRead(SelectionKey key) throws IOException {
 			int n = conn.handleChannelRecieve();
 			if (n<0) {
 				// Deregister interest in reading if EOS
-				log.debug("Cancelled Key due to EOS");
+				log.trace("Cancelled Key due to EOS");
 				key.cancel();
 			}
 			// log.finest("Received bytes: " + n);
 		} catch (ClosedChannelException e) {
-			log.debug("Channel closed from: {}", conn.getRemoteAddress());
+			log.trace("Channel closed from: {}", conn.getRemoteAddress());
 			key.cancel();
 		} catch (BadFormatException e) {
 			log.warn("Cancelled connection to Peer: Bad data format from: " + conn.getRemoteAddress() + " "