From a8608653032c7e904bc90454a0f8617f8c1a4267 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Thu, 29 Jan 2026 17:13:17 -0800
Subject: [PATCH] std.Build.Step: evalZigProcess handles EndOfStream

and a happy little info log when the process needs to be restarted
---
 lib/std/Build/Step.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/std/Build/Step.zig b/lib/std/Build/Step.zig
index 0dd4b932800b3ee9c3e65dd2347381263f0eb34b..cfc263b7701e34f0ef762ae3f2524d0cac850f37 100644
--- a/lib/std/Build/Step.zig
+++ b/lib/std/Build/Step.zig
@@ -416,7 +416,8 @@ pub fn evalZigProcess(
         assert(watch);
         if (std.Progress.have_ipc) if (zp.progress_ipc_fd) |fd| prog_node.setIpcFd(fd);
         const result = zigProcessUpdate(s, zp, watch, web_server, gpa) catch |err| switch (err) {
-            error.BrokenPipe => {
+            error.BrokenPipe, error.EndOfStream => |reason| {
+                std.log.info("{s} restart required: {t}", .{ argv[0], reason });
                 // Process restart required.
                 const term = zp.child.wait(io) catch |e| {
                     return s.fail("unable to wait for {s}: {t}", .{ argv[0], e });
-- 
2.54.0