From 70e07a3c4b59adee0502323490873346c0569e6b Mon Sep 17 00:00:00 2001
From: oech3 <79379754+oech3@users.noreply.github.com>
Date: Fri, 6 Mar 2026 17:40:53 +0900
Subject: [PATCH] true, false: Fix broken pipe (#11204)

---
 src/uu/false/src/false.rs | 5 +++--
 src/uu/true/src/true.rs   | 5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/uu/false/src/false.rs b/src/uu/false/src/false.rs
index 0fc90364a..98699edd0 100644
--- a/src/uu/false/src/false.rs
+++ b/src/uu/false/src/false.rs
@@ -7,7 +7,6 @@ use std::{ffi::OsString, io::Write};
 use uucore::translate;
 
 // uucore::main does not support no-result
-// also remove SIGPIPE overhead
 pub fn uumain(args: impl uucore::Args) -> i32 {
     let args: Vec<OsString> = args.collect();
     if args.len() != 2 {
@@ -23,7 +22,9 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         return 1;
     };
 
-    if let Err(print_fail) = error {
+    if let Err(print_fail) = error
+        && print_fail.kind() != std::io::ErrorKind::BrokenPipe
+    {
         let _ = writeln!(std::io::stderr(), "{}: {print_fail}", uucore::util_name());
     }
     1
diff --git a/src/uu/true/src/true.rs b/src/uu/true/src/true.rs
index 626073c21..463a76d52 100644
--- a/src/uu/true/src/true.rs
+++ b/src/uu/true/src/true.rs
@@ -7,7 +7,6 @@ use std::{ffi::OsString, io::Write};
 use uucore::translate;
 
 // uucore::main does not support no-result
-// also remove SIGPIPE overhead
 pub fn uumain(args: impl uucore::Args) -> i32 {
     let args: Vec<OsString> = args.collect();
     if args.len() != 2 {
@@ -23,7 +22,9 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         return 0;
     };
 
-    if let Err(print_fail) = error {
+    if let Err(print_fail) = error
+        && print_fail.kind() != std::io::ErrorKind::BrokenPipe
+    {
         // Try to display this error.
         let _ = writeln!(std::io::stderr(), "{}: {print_fail}", uucore::util_name());
         // Mirror GNU options. When failing to print warnings or version flags, then we exit