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#!/bin/sh
set -e

if [ "$1" = "purge" ] ; then
    for conffile in $(ucfq --with-colons dovecot-core | cut -d: -f1); do
        # we mimic dpkg as closely as possible, so we remove configuration
        # files with dpkg backup extensions too:
        ### Some of the following is from Tore Anderson:
        for ext in '~' '%' .bak .dpkg-tmp .dpkg-new .dpkg-old .dpkg-dist .ucf-new .ucf-old .ucf-dist;  do
            rm -f "$conffile$ext"
        done
        # remove the configuration file itself
        rm -f "$conffile"
        # and finally clear it out from the ucf database
        if which ucf >/dev/null; then
            ucf --purge "$conffile"
        fi
        if which ucfr >/dev/null; then
            ucfr --purge dovecot-core "$conffile"
        fi
    done

    userdel dovecot || true;
    userdel dovenull || true;

    if [ -d /run/dovecot ]; then
        rm -rf /run/dovecot
    fi

    # Remove dovecot.pem and dovecot.key only if they are symlinks; otherwise
    # we might remove CA-issued certificates that are difficult and/or
    # expensive to replace.
    for file in /etc/dovecot/private/dovecot.pem /etc/dovecot/private/dovecot.key; do
        if [ -h "$file" ]; then
            rm -f "$file"
        else
            echo "${file} is not a symbolic link, skipping removal." >&2
        fi
    done
fi

if [ "$1" = "triggered" ]; then
    if [ -x "/etc/init.d/dovecot" ]; then
        invoke-rc.d dovecot start
    fi
fi

#DEBHELPER#