Further improvements

Author: RecursiveVision

update_commit_id.bat

@@ -3,22 +3,26 @@ SETLOCAL
 
 set STATUS=Clean
 for /f "usebackq delims=" %%i in (`git status --untracked-files^=no --porcelain`) do (
-echo Uncommitted change^(s^): %%i
-if [%%i] NEQ [] set STATUS=Dirty
+	if [%%i] NEQ [] (
+		set STATUS=Dirty
+		echo Uncommitted change^(s^): %%i
+	)
 )
 
+if "%STATUS%" == "Clean" (echo Nothing to commit, working tree clean.)
+
 for /f "usebackq delims=" %%i in (`git describe --abbrev^=0`) do set TAG=%%i
 for /f "usebackq delims=" %%i in (`git rev-list --abbrev-commit -n 1 %TAG%`) do set TAGCOMMIT=%%i
 for /f "usebackq delims=" %%i in (`git rev-list --abbrev-commit -n 1 HEAD`) do set HEADCOMMIT=%%i
 
 if "%HEADCOMMIT%" == "%TAGCOMMIT%" (
-echo const char CURRENT_GAMECORE_VERSION[] = "%TAG% %STATUS%"; //autogenerated, do not commit this file! > %~dp0%commit_id.inc
-echo Version identifier will be "%TAG% %STATUS%"
+	echo const char CURRENT_GAMECORE_VERSION[] = "%TAG% %STATUS%"; //autogenerated, do not commit this file! > %~dp0%commit_id.inc
+	echo Version identifier will be "%TAG% %STATUS%"
 )
 
 if "%HEADCOMMIT%" NEQ "%TAGCOMMIT%" (
-echo const char CURRENT_GAMECORE_VERSION[] = "%TAG% %HEADCOMMIT% %STATUS%"; //autogenerated, do not commit this file! > %~dp0%commit_id.inc
-echo Version identifier will be "%TAG% %HEADCOMMIT% %STATUS%"
+	echo const char CURRENT_GAMECORE_VERSION[] = "%TAG% %HEADCOMMIT% %STATUS%"; //autogenerated, do not commit this file! > %~dp0%commit_id.inc
+	echo Version identifier will be "%TAG% %HEADCOMMIT% %STATUS%"
 )
 
 ENDLOCAL