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kiss: comment

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Dylan Araps 2020-01-27 23:51:31 +02:00
parent fd892ccd7b
commit 5796f2a69f
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@ -76,6 +76,10 @@ root_cache() {
# Disable echoing to the terminal while the password is inputted
# by the user. The below commands read from '/dev/tty' to ensure
# they work when run from a subshell.
#
# The variable '$cached' is used to check if we've been here
# before. We cannot check whether or not '$pass' is empty as the
# '[' command may be external which would result in /proc leakage.
stty -F /dev/tty -echo
read -r pass < /dev/tty && cached=1
stty -F /dev/tty echo