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Location: kallithea/init.d/kallithea-daemon-arch - annotation

Søren Løvborg
utils: improve extract_mentioned_users usefulness

Previously, extract_mentioned_users performed a regex search, converted
to a set to remove duplicates, converted that set back into a list, and
sorted the list on username, ignoring case. Every single caller of the
function then promptly took the carefully pruned and sorted result and
put it back into a set, rendering the entire exercise pointless.

In addition, every caller also resolved the usernames to database User
objects.

In this changeset, extract_mentioned_users is changed to return a set
of database User objects directly. A new extract_mentioned_usernames
function, which does only username extraction, is kept for the sole
purpose of providing a more testable interface (no database needed).

Bonus feature: The new extract_mentioned_users will prune non-existent
users, as well as the DEFAULT user. This means it is no longer possible
to @mention (and send notifications to) the DEFAULT user.
#!/bin/bash
###########################################
#### THIS IS AN ARCH LINUX RC.D SCRIPT ####
###########################################

. /etc/rc.conf
. /etc/rc.d/functions

DAEMON=kallithea
APP_HOMEDIR="/srv"
APP_PATH="$APP_HOMEDIR/$DAEMON"
CONF_NAME="production.ini"
LOG_FILE="/var/log/$DAEMON.log"
PID_FILE="/run/daemons/$DAEMON"
APPL=/usr/bin/paster
RUN_AS="*****"

ARGS="serve --daemon \
--user=$RUN_AS \
--group=$RUN_AS \
--pid-file=$PID_FILE \
--log-file=$LOG_FILE \
$APP_PATH/$CONF_NAME"

[ -r /etc/conf.d/$DAEMON ] && . /etc/conf.d/$DAEMON

if [[ -r $PID_FILE ]]; then
    read -r PID < "$PID_FILE"
    if [[ $PID && ! -d /proc/$PID ]]; then
        unset PID
        rm_daemon $DAEMON
    fi
fi

case "$1" in
start)
    stat_busy "Starting $DAEMON"
    export HOME=$APP_PATH
    [ -z "$PID" ] && $APPL $ARGS &>/dev/null
    if [ $? = 0 ]; then
        add_daemon $DAEMON
        stat_done
    else
        stat_fail
        exit 1
    fi
    ;;
stop)
    stat_busy "Stopping $DAEMON"
    [ -n "$PID" ] && kill $PID &>/dev/null 
    if [ $? = 0 ]; then
        rm_daemon $DAEMON
        stat_done
    else
        stat_fail
        exit 1
    fi
    ;;
restart)
    $0 stop
    sleep 1
    $0 start
    ;;
status)
    stat_busy "Checking $name status";
    ck_status $name
    ;;
*)
    echo "usage: $0 {start|stop|restart|status}"
esac