run-test262: disable progress indicator on non-TTY outputs #1094
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In case stdout is not a TTY (e.g. a pipe), trying to rewrite the last line (using \r) does not work, and the output of the test execution gets mangled by the progress indicator. Hence, do not use a progress indicator at all in case the output is not a TTY (checked only on non-Windows OSes).
bnoordhuis
approved these changes
Jun 5, 2025
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In case stdout is not a TTY (e.g. a pipe), trying to rewrite the last line (using
\r) does not work, and the output of the test execution gets mangled by the progress indicator.Hence, do not use a progress indicator at all in case the output is not a TTY (checked only on non-Windows OSes).