Rename liveLogger to be terminallogger (#9027)

* Rename liveLogger to be terminallogger

* Keep supporting command line switches for live logger

* Keep supporting MSBUILDLIVELOGGER for existing use

Author: GangWang01

documentation/README.md

@@ -74,7 +74,7 @@ The folder contains collection of docs and references for MSBuild, detailed info
 ### Logging
 
 * [Binary log](wiki/Binary-Log.md)
-* [Live logger: how to opt in](livelogger/Opt-In-Mechanism.md)
+* [Terminal logger: how to opt in](terminallogger/Opt-In-Mechanism.md)
 
 ## Archived Designs
 * [Resolve Assembly Reference as a service](specs/rar-as-service.md)

documentation/terminallogger/Opt-In-Mechanism.md

@@ -15,7 +15,7 @@ Using the `/terminallogger` or `/tl` command line switches, users are able to op
 
 ### Enabling for all builds
 
-Users can set the `MSBUILDLIVELOGGER` environment variable to enable TerminalLogger without adding a swtich to all build invocations.
+Users can set the `MSBUILDTERMINALLOGGER` environment variable to enable TerminalLogger without adding a swtich to all build invocations.
 
 ### TerminalLogger parameters
 

src/Build/BackEnd/Components/Logging/LoggingService.cs

@@ -1657,8 +1657,8 @@ private void UpdateMinimumMessageImportance(ILogger logger)
                 // The null logger has no effect on minimum verbosity.
                 Execution.BuildManager.NullLogger => null,
 
-                // The live logger consumes only high priority messages.
-                _ => innerLogger.GetType().FullName == "Microsoft.Build.Logging.LiveLogger.LiveLogger"
+                // The terminal logger consumes only high priority messages.
+                _ => innerLogger.GetType().FullName == "Microsoft.Build.Logging.TerminalLogger.TerminalLogger"
                     ? MessageImportance.High
                     // If the logger is not on our allow list, there are no importance guarantees. Fall back to "any importance".
                     : MessageImportance.Low,

src/MSBuild.UnitTests/CommandLineSwitches_Tests.cs

@@ -167,13 +167,13 @@ public void DistributedFileLoggerSwitchIdentificationTests(string distributedfil
         [InlineData("terminallogger")]
         [InlineData("TerminalLogger")]
         [InlineData("TERMINALLOGGER")]
-        public void LiveLoggerSwitchIdentificationTests(string livelogger)
+        public void TerminalLoggerSwitchIdentificationTests(string terminallogger)
         {
             CommandLineSwitches.ParameterizedSwitch parameterlessSwitch;
             string duplicateSwitchErrorMessage;
 
-            CommandLineSwitches.IsParameterizedSwitch(livelogger, out parameterlessSwitch, out duplicateSwitchErrorMessage, out bool multipleParametersAllowed, out string missingParametersErrorMessage, out bool unquoteParameters, out bool emptyParametersAllowed).ShouldBeTrue();
-            parameterlessSwitch.ShouldBe(CommandLineSwitches.ParameterizedSwitch.LiveLogger);
+            CommandLineSwitches.IsParameterizedSwitch(terminallogger, out parameterlessSwitch, out duplicateSwitchErrorMessage, out bool multipleParametersAllowed, out string missingParametersErrorMessage, out bool unquoteParameters, out bool emptyParametersAllowed).ShouldBeTrue();
+            parameterlessSwitch.ShouldBe(CommandLineSwitches.ParameterizedSwitch.TerminalLogger);
             duplicateSwitchErrorMessage.ShouldBeNull();
             multipleParametersAllowed.ShouldBeTrue();
             missingParametersErrorMessage.ShouldBeNull();