/usr/bin/arduino-add-groups is in arduino 1:1.0.5+dfsg2-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | #!/bin/bash
uid=${PKEXEC_UID:-${SUDO_UID}}
if [[ -z $uid ]]; then
echo "Could not determine which user to add to the groups."
exit 2
fi
login=$(perl -e 'print((getpwuid shift)[0])' $uid)
#for group in dialout tty; do
for group in dialout; do
if ! groups $login | grep -q "\b$group\b"; then
missing_groups=${missing_groups:+$missing_groups,}$group
fi
done
if [[ -n $missing_groups ]]; then
exec usermod -a -G $missing_groups $login
else
echo "No required groups are missing for this user."
exit 1
fi
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