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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 617d14bc1238b57327a8400eda1c1ab22624beb7
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=617d14bc1238b57327a8400ed...

Author: Florian Eder <others.meder(a)gmail.com>
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 <others.meder(a)gmail.com>
Signed-off-by: Zebediah Figura <zfigura(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 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 502694ffc46..c7df724ae00 100644
--- 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;
   }
 }