# $Id: $
#
# Description: post-install script for cyrus-imapd
# Contributor: Ryan Corder <ryanc@greengrey.org>
#

# arg 1: new package version
post_install() {
    # create cyrus user
    if [ -z "`grep '^cyrus:' /etc/passwd`" ]; then
        useradd -d /var/spool/imap -g mail -s /bin/false cyrus
    else
        usermod -s /bin/false cyrus
    fi

    # all kinds of directories needed for the IMAP spool
    for subdir in imap/{,db,log,msg,proc,socket,sieve} spool/imap/{,stage.}; do
        if [ ! -d /var/${subdir} ]; then
            mkdir -m 0750 -p "/var/${subdir}"
        fi
    done
    for subdir in imap/{user,quota,sieve} spool/imap; do
        for i in a b c d e f g h i j k l m n o p q r s t v u w x y z \
                 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z \
                 0 1 2 3 4 5 6 7 8 9; do
            if [ ! -d /var/${subdir}/${i} ]; then
                mkdir -m 0750 -p "/var/${subdir}/${i}"
            fi
        done
    done
    chown -R cyrus:mail "/var/imap"
    chown -R cyrus:mail "/var/spool/imap"

    # make /var/imap/user/* and /var/imap/quota/* synchronous
    if df -T /var/imap | grep -q ' ext[234] '; then
        chattr +S /var/imap/{user,quota}{,/*}
    fi
    # make /var/spool/imap/* synchronous
    if df -T /var/spool/imap | grep -q ' ext[23] '; then
        chattr +S /var/spool/imap{,/*}
    fi

    # set more secure permissions on config files
    chown -R cyrus:mail /etc/cyrus
    chmod 600 /etc/cyrus/cyrus.conf
    chmod 600 /etc/cyrus/imapd.conf
}

# arg 1: new package version
# arg 2: old package version
post_upgrade() {
    post_install $1
}

# arg 1: old package version
pre_remove() {
    userdel cyrus &> /dev/null
}

op=$1
shift

$op $*