change MessageBox if path already exist

huche6 · Dec 12, 2023 · fc4142e · fc4142e
1 parent fec1f98
commit fc4142e
Showing 1 changed file with 10 additions and 5 deletions.
diff --git a/constructor/nsis/main.nsi.tmpl b/constructor/nsis/main.nsi.tmpl
@@ -844,12 +844,17 @@ Pop $0
 Function OnDirectoryLeave
     ${LogSet} on
     ${If} ${IsNonEmptyDirectory} "$InstDir"
-        DetailPrint "::error:: Directory '$INSTDIR' is not empty, please choose a different location."
-        MessageBox MB_OK|MB_ICONEXCLAMATION \
+        DetailPrint "::error:: Directory '$INSTDIR' is not empty."
+        MessageBox MB_YESNO \
             "Directory '$INSTDIR' is not empty,$\n\
-             please choose a different location." \
-            /SD IDOK
-        Abort
+             do you want to upgrade the installation ?" \        
+            /SD IDYES \
+            IDYES confirmed_yes IDNO confirmed_no
+        confirmed_no:
+            MessageBox MB_OK|MB_ICONSTOP "Choose another directory." /SD IDOK 
+            Abort      
+        confirmed_yes:
+                SetOverwrite "ifdiff" 
     ${EndIf}
 
     ReadRegStr $LongPathsEnabled HKLM "SYSTEM\CurrentControlSet\Control\FileSystem" "LongPathsEnabled"