From 7221e9560ef03e8298f8fe8f9b1610459fceb5c7 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Mon, 10 Apr 2023 18:33:54 -0700
Subject: [PATCH] std.Build.RunStep: don't close stdin

Instead, ignore stdin. Otherwise this interfers with a sub-process which
expects to have a stdin file descriptor open.
---
 lib/std/Build/RunStep.zig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/std/Build/RunStep.zig b/lib/std/Build/RunStep.zig
index 36b409d907..5658c5936f 100644
--- a/lib/std/Build/RunStep.zig
+++ b/lib/std/Build/RunStep.zig
@@ -866,9 +866,9 @@ fn spawnChildAndCollect(
     child.request_resource_usage_statistics = true;
 
     child.stdin_behavior = switch (self.stdio) {
-        .infer_from_args => if (has_side_effects) .Inherit else .Close,
+        .infer_from_args => if (has_side_effects) .Inherit else .Ignore,
         .inherit => .Inherit,
-        .check => .Close,
+        .check => .Ignore,
         .zig_test => .Pipe,
     };
     child.stdout_behavior = switch (self.stdio) {