not add to path if added

1 files changed, 6 insertions, 2 deletions

diff --git a/scripts/getpb.ps1 b/scripts/getpb.ps1
index 1e6ad98d7..b9b3f08ee 100644
--- a/scripts/getpb.ps1
+++ b/scripts/getpb.ps1
@@ -77,8 +77,12 @@ try{
     Expand-Archive "$installdir\temp.zip" "$installdir\temp" -Force
     Move-Item "$installdir\temp\xmake-$branch\xmake\*" $installdir
     Remove-Item "$installdir\temp","$installdir\temp.zip" -Recurse -Force
-    $env:Path+=";$installdir"
-    [Environment]::SetEnvironmentVariable("Path",[Environment]::GetEnvironmentVariable("Path",[System.EnvironmentVariableTarget]::User)+";$installdir",[System.EnvironmentVariableTarget]::User)    # this step is optional because installer writes path to regedit
+    try{
+        xmake --version | Out-Null
+    }catch{
+        $env:Path+=";$installdir"
+        [Environment]::SetEnvironmentVariable("Path",[Environment]::GetEnvironmentVariable("Path",[System.EnvironmentVariableTarget]::User)+";$installdir",[System.EnvironmentVariableTarget]::User)
+    }
     xmake --version
 }catch{
     writeErrorTip 'Error!'