Refresh cmd installer PATH after install

tests/release_scripts.rs

@@ -259,7 +259,16 @@ fn windows_cmd_installer_wraps_native_powershell_installer() {
     assert!(cmd.contains("for %%P in (powershell.exe pwsh.exe powershell pwsh) do"));
     assert!(cmd.contains("Invoke-WebRequest -UseBasicParsing"));
     assert!(cmd.contains("-ExecutionPolicy Bypass -File \"%TMP_PS%\" %*"));
-    assert!(cmd.contains("exit /b %RC%"));
+    assert!(cmd.contains("set \"DOSH_CMD_PREFIX=%PREFIX%\""));
+    assert!(
+        cmd.contains(
+            "if \"%DOSH_CMD_PREFIX%\"==\"\" set \"DOSH_CMD_PREFIX=%USERPROFILE%\\.local\""
+        )
+    );
+    assert!(cmd.contains("set \"DOSH_CMD_BINDIR=%DOSH_CMD_PREFIX%\\bin\""));
+    assert!(cmd.contains("echo ;%PATH%; | find /I \";%DOSH_CMD_BINDIR%;\""));
+    assert!(cmd.contains("set \"DOSH_NEXT_PATH=%DOSH_CMD_BINDIR%;%PATH%\""));
+    assert!(cmd.contains("endlocal & set \"PATH=%DOSH_NEXT_PATH%\" & exit /b %RC%"));
     assert!(readme.contains("Windows client from `cmd.exe`:"));
     assert!(readme.contains("install.cmd"));
 }