cmd: Do not change errorlevel when setting environment variables.

Changes CMD to set its errorlevel to 0 only when the value of an environment variable is set in in non-interactive / batch mode, retains the previous value otherwise. Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=47791Signed-off-by: Florian Eder <others.meder@gmail.com> Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

cmd: Do not change errorlevel when setting environment variables.
617d14bc · Florian Eder · Alexandre Julliard · 9c818c96 · 617d14bc
Commit 617d14bc authored Jun 01, 2021 by Florian Eder Committed by Alexandre Julliard Jun 18, 2021
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builtins.c programs/cmd/builtins.c +1 -1

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--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -4218,7 +4218,7 @@ void WCMD_setshow_env (WCHAR *s) {
    if ((!status) & (gle == ERROR_ENVVAR_NOT_FOUND)) {
      errorlevel = 1;
    } else if (!status) WCMD_print_error();
-    else errorlevel = 0;
+    else if (!interactive) errorlevel = 0;
  }
 }