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fix: prevent /copy crash on Windows by skipping /dev/tty (#15657)

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Co-authored-by: Jack Wotherspoon <jackwoth@google.com>
This commit is contained in:
Manoj Naik
2026-01-06 02:03:03 +05:30
committed by GitHub
parent e5d183031a
commit 2da911e4a0
2 changed files with 44 additions and 6 deletions
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18
packages/cli/src/ui/utils/commandUtils.ts
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@@ -66,13 +66,19 @@ const SCREEN_DCS_CHUNK_SIZE = 240;
type TtyTarget = { stream: Writable; closeAfter: boolean } | null;
const pickTty = (): TtyTarget => {
// Prefer the controlling TTY to avoid interleaving escape sequences with piped stdout.
try {
const devTty = fs.createWriteStream('/dev/tty');
return { stream: devTty, closeAfter: true };
} catch {
// fall through
// /dev/tty is only available on Unix-like systems (Linux, macOS, BSD, etc.)
if (process.platform !== 'win32') {
// Prefer the controlling TTY to avoid interleaving escape sequences with piped stdout.
try {
const devTty = fs.createWriteStream('/dev/tty');
// Prevent unhandled 'error' events from crashing the process.
devTty.on('error', () => {});
return { stream: devTty, closeAfter: true };
} catch {
// fall through - /dev/tty not accessible
}
}
if (process.stderr?.isTTY)
return { stream: process.stderr, closeAfter: false };
if (process.stdout?.isTTY)