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add_dmesg() {
local got_log=
echo '** Kernel log:' >&3
if [ "$(cat /proc/sys/kernel/dmesg_restrict)" = 0 ]; then
dmesg > >(tail -n 100 >&3) && got_log=y
elif command -v sudo >/dev/null; then
yesno "Use sudo to read the kernel log? " yep
if [ "$REPLY" = yep ]; then
sudo dmesg > >(tail -n 100 >&3) && got_log=y
fi
fi
test "$got_log" || echo 'Unable to read kernel log; any relevant messages should be attached' >&3
echo >&3
}
ask_dmesg() {
# Remind the user to attach the kernel log. This should also trigger
# a reminder in some MUAs if the user tries to send without it.
echo '** Kernel log: boot messages should be attached' >&3
echo >&3
}
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