From 1899a7c3049f1a029c268a3a8152d145a0005e72 Mon Sep 17 00:00:00 2001
From: "sentry[bot]" <39604003+sentry[bot]@users.noreply.github.com>
Date: Sat, 26 Sep 2026 13:30:05 +0000
Subject: [PATCH] fix: gracefully handle BrokenPipeError when writing to closed
 pipes

---
 codecov_cli/main.py | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/codecov_cli/main.py b/codecov_cli/main.py
index 2568ef996..46f1db637 100644
--- a/codecov_cli/main.py
+++ b/codecov_cli/main.py
@@ -1,5 +1,7 @@
 import logging
 import pathlib
+import signal
+import sys
 import typing
 
 import click
@@ -93,7 +95,23 @@ def cli(
 
 
 def run():
-    cli(obj={})
+    # Restore default SIGPIPE handling on POSIX so the OS terminates the
+    # process cleanly when a pipe reader closes early, before Python raises
+    # BrokenPipeError inside Click's echo().
+    if hasattr(signal, "SIGPIPE"):
+        signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
+    try:
+        cli(obj={})
+    except BrokenPipeError:
+        # Swallow broken-pipe errors that occur when stdout/stderr is closed
+        # by the consuming process (e.g. piped into `head`). Flush remaining
+        # output silently and exit with a non-zero code.
+        try:
+            sys.stderr.flush()
+        except BrokenPipeError:
+            pass
+        sys.exit(1)
 
 
 if __name__ == "__main__":