Florian Eder : cmd: Do not change errorlevel when setting environment variables.

[Alexandre Julliard]

Module: wine
Branch: oldstable
Commit: bc6346ba85e044a8460d41a01ce7df62fa7d906f
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=bc6346ba85e044a8460d41a01...

Author: Florian Eder 
Date:   Tue Jun  1 07:02:54 2021 +0000

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=47791
Signed-off-by: Florian Eder 
Signed-off-by: Zebediah Figura 
Signed-off-by: Alexandre Julliard 
(cherry picked from commit 617d14bc1238b57327a8400eda1c1ab22624beb7)
Signed-off-by: Michael Stefaniuc

---

programs/cmd/builtins.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index 0fb40d94e49..3f9465320c1 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -4222,7 +4222,7 @@ 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;
   }
 }