From 6392ae0444fe13ea0e62021247bf0dcab5bc7f23 Mon Sep 17 00:00:00 2001
From: Ron Yorston <rmy@pobox.com>
Date: Fri, 24 May 2013 15:56:07 +0100
Subject: ash: add noconsole option to hide console window on WIN32

When a shell script is spawned from a GUI application a console
window is displayed.  If the noconsole option is set the console
window is hidden.
---
 shell/ash.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/shell/ash.c b/shell/ash.c
index 80a85b9eb..8f59dccda 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -281,6 +281,9 @@ static const char *const optletters_optnames[] = {
 	,"\0"  "nolog"
 	,"\0"  "debug"
 #endif
+#if ENABLE_PLATFORM_MINGW32
+	,"\0"  "noconsole"
+#endif
 };
 
 #define optletters(n)  optletters_optnames[n][0]
@@ -360,6 +363,9 @@ struct globals_misc {
 #if DEBUG
 # define nolog optlist[14 + ENABLE_ASH_BASH_COMPAT]
 # define debug optlist[15 + ENABLE_ASH_BASH_COMPAT]
+#endif
+#if ENABLE_PLATFORM_MINGW32
+# define noconsole optlist[14 + ENABLE_ASH_BASH_COMPAT + 2*DEBUG]
 #endif
 
 	/* trap handler commands */
@@ -13818,6 +13824,15 @@ int ash_main(int argc UNUSED_PARAM, char **argv)
 	}
 #endif
 	procargs(argv);
+#if ENABLE_PLATFORM_MINGW32
+	if ( noconsole ) {
+		DWORD dummy;
+
+		if ( GetConsoleProcessList(&dummy, 1) == 1 ) {
+			ShowWindow(GetConsoleWindow(), SW_HIDE);
+		}
+	}
+#endif
 
 	if (argv[0] && argv[0][0] == '-')
 		isloginsh = 1;
-- 
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