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@ -76,6 +76,10 @@ root_cache() {
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# Disable echoing to the terminal while the password is inputted
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# by the user. The below commands read from '/dev/tty' to ensure
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# they work when run from a subshell.
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#
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# The variable '$cached' is used to check if we've been here
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# before. We cannot check whether or not '$pass' is empty as the
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# '[' command may be external which would result in /proc leakage.
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stty -F /dev/tty -echo
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read -r pass < /dev/tty && cached=1
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stty -F /dev/tty echo
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