warpdotdev/warp · error · DiffError

Command '{}' returned non-zero exit status {}

Error message

Command '{}' returned non-zero exit status {}

What it means

Error "Command '{}' returned non-zero exit status {}" thrown in warpdotdev/warp.

Source

Thrown at script/run-clang-format.py:194

        raise DiffError(
            "Command '{}' failed to start: {}".format(
                subprocess.list2cmdline(invocation), exc
            )
        )
    proc_stdout = proc.stdout
    proc_stderr = proc.stderr
    if sys.version_info[0] < 3:
        # make the pipes compatible with Python 3,
        # reading lines should output unicode
        encoding = 'utf-8'
        proc_stdout = codecs.getreader(encoding)(proc_stdout)
        proc_stderr = codecs.getreader(encoding)(proc_stderr)
    # hopefully the stderr pipe won't get full and block the process
    outs = list(proc_stdout.readlines())
    errs = list(proc_stderr.readlines())
    proc.wait()
    if proc.returncode:
        raise DiffError(
            "Command '{}' returned non-zero exit status {}".format(
                subprocess.list2cmdline(invocation), proc.returncode
            ),
            errs,
        )
    if args.in_place:
        return [], errs
    return make_diff(file, original, outs), errs


def bold_red(s):
    return '\x1b[1m\x1b[31m' + s + '\x1b[0m'


def colorize(diff_lines):
    def bold(s):
        return '\x1b[1m' + s + '\x1b[0m'

View on GitHub (pinned to e72fd7aacb)

When it happens

Trigger: Thrown at script/run-clang-format.py:194 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of warpdotdev/warp@e72fd7aacb (2026-08-16). Data as JSON: /api/errors/7d9925453e73feb5. Report an issue: GitHub.