Fix epm download command exit code if no package can be fetched.
#554
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Если пакет скачать невозможно, то
epm downloadне сообщает об этом ненулевым кодом ошибки.Проблема здесь в том, что command substitution внутри builtin-команд вроде
forилиlocalвозвращают код ошибки внутрь тех самыхforиlocal, а те его тихо съедают. Таким образом на выходеlocal A=$(false)окажется "0", а не "1". То же самое происходит в файле "epm-download", в функции__epm_download_alt().Пример в терминале (
exportв данном случае работает по таким же правилам):