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https://github.com/bin456789/reinstall.git
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@@ -15,16 +15,23 @@ fi
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# 安装环境下 tty 不一定齐全
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# hytron 有ttyS0 但无法写入
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# 用于 cmdline 引导参数时不需要判断 tty 是否存在和可写
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# 用于 cmdline 引导参数时,明确排除不可写的 tty,避免 getty 反复重启
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# https://github.com/bin456789/reinstall/issues/620
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if [ "$prefix" = "console=" ]; then
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is_for_cmdline=true
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else
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is_for_cmdline=false
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fi
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# 用途 条件
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# 安装日志 存在且可写
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# console 存在且可写 或 不存在(因为安装环境下 tty 不一定齐全)
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is_first=true
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for tty in $ttys; do
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if $is_for_cmdline || stty -g -F "/dev/$tty" >/dev/null 2>&1; then
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if { [ -c "/dev/$tty" ] && stty -g -F "/dev/$tty" >/dev/null 2>&1; } ||
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{ $is_for_cmdline && ! [ -c "/dev/$tty" ]; }; then
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if $is_first; then
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is_first=false
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else
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