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#!/bin/bash
set -u
post_install() {
print_first_time
}
post_upgrade() {
vercomp ${2} "0.13.55213-2"
if [[ "$?" == "2" ]]; then
print_upgrade_from_system_slice
if systemctl is-enabled jottad >/dev/null; then
printf "Disabling jottad system slice\n"
sudo systemctl disable jottad
fi
if systemctl is-active jottad >/dev/null; then
printf "Stopping jottad system slice\n"
sudo systemctl daemon-reload
sudo systemctl stop jottad
fi
printf "\n"
print_first_time
else
safe_restart_systemd_services
fi
}
pre_remove() {
safe_stop_systemd_services
}
print_upgrade_from_system_slice() {
printf "It looks like you are upgrading from a version\n"
printf "of jottad that runs in system slice. This version\n"
printf "runs in user slice and thereby datadir has changed.\n"
printf "Read more here: https://docs.jottacloud.com/en/articles/1461561-release-notes-for-jottacloud-cli\n\n"
printf "To help you migrate your settings, we provide the\n"
printf "script /usr/bin/migrate_jottad_settings that you\n"
printf "can run after you have upgraded this package.\n\n"
}
print_first_time() {
printf "First time use: run 'run_jottad' as your own user to\n"
printf "enable systemd-unit and to enable future restart on upgrade.\n\n"
}
vercomp() {
if [[ $1 == $2 ]]
then
return 0
fi
local IFS=.-
local i ver1=($1) ver2=($2)
for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
do
ver1[i]=0
done
for ((i=0; i<${#ver1[@]}; i++))
do
if [[ -z ${ver2[i]} ]]
then
ver2[i]=0
fi
if ((10#${ver1[i]} > 10#${ver2[i]}))
then
return 1
fi
if ((10#${ver1[i]} < 10#${ver2[i]}))
then
return 2
fi
done
return 0
}
systemd_exec_as() {
user=$1
shift
user_xdg_runtime_dir="/run/user/$(id -u "$user")" || return 1
BASH=$(command -v bash)
# su --login requires the password for each user for which this function executes
# this can be avoided by going via root
#su --login "$user" -s "$BASH" -c "XDG_RUNTIME_DIR=$user_xdg_runtime_dir $* 2> /dev/null"
sudo -u "$user" -s "$BASH" -c "XDG_RUNTIME_DIR=$user_xdg_runtime_dir $* 2> /dev/null"
}
systemd_unit_active_for() {
user=$1
service=$2
command -v systemctl &> /dev/null && systemd_exec_as "$user" "systemctl --user -q is-active $service"
}
SYSTEMD_RESTARTED_REDIRECTOR=
systemd_restart_if_active() {
user=$1
service=$2
if systemd_unit_active_for "$user" "$service"; then
systemd_exec_as "$user" "systemctl --user restart $service"
fi
}
safe_restart_systemd_services() {
while read -r pid; do
if [ -z "$pid" ]; then
continue
fi
user="$(ps -o user= -p "$pid")"
if [ -z "$user" ]; then
continue
fi
restart_instructions="Restart jottad manually by running 'run_jottad' as $user.\n"
if ! systemd_unit_active_for "$user" "jottad.service"; then
printf "jottad not running via systemd for $user.\n"
printf "$restart_instructions"
continue
fi
printf "Autorestarting jottad via systemd for $user.\n"
systemd_exec_as "$user" "systemctl --user daemon-reload"
systemd_restart_if_active "$user" "jottad.service"
done <<< "$(pidof /usr/bin/jottad | tr ' ' '\n')"
}
systemd_stop_if_active() {
user=$1
service=$2
if systemd_unit_active_for "$user" "$service"; then
systemd_exec_as "$user" "systemctl --user stop $service"
fi
}
# I added this function to disable the daemon for a specific user
systemd_disable() {
user=$1
service=$2
systemd_exec_as "$user" "systemctl --user disable $service"
}
safe_stop_systemd_services() {
# Disable the service for all non-system users
for usr in $(awk -F: '($3>=1000)&&($1!="nobody"){print $1}' /etc/passwd); do
printf "Disabling jottad for user $usr. \n"
systemd_disable "$usr" "jottad.service"
done
# Now stop the service for users that have the service running
while read -r pid; do
if [ -z "$pid" ]; then
continue
fi
user="$(ps -o user= -p "$pid")"
if [ -z "$user" ]; then
continue
fi
if ! systemd_unit_active_for "$user" "jottad.service"; then
continue
fi
printf "Autostopping jottad via systemd for $user.\n"
systemd_exec_as "$user" "systemctl --user daemon-reload"
systemd_stop_if_active "$user" "jottad.service"
done <<< "$(pidof /usr/bin/jottad | tr ' ' '\n')"
}
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