make push improv

MAKE.bat

@@ -232,6 +232,20 @@ if "%1"=="dpush" (
 if "%1"=="push" (
     call make.bat tidy
 
+    git diff --quiet --exit-code
+    if !ERRORLEVEL! neq 0 (
+        echo There are uncommitted changes. Please commit or stash them before pushing.
+        exit /b 1
+    )
+
+    git fetch origin
+    git rev-parse HEAD > .git\FETCH_HEAD
+    fc .git\HEAD .git\FETCH_HEAD > nul
+    if !ERRORLEVEL! equ 0 (
+        echo Already up to date with remote. Nothing to push.
+        exit /b 0
+    )
+
     git status
     if "%2"=="dp" (
         call MAKE.bat dpush auto