#!/bin/bash

cleanup()
{
        local data_path="$1"        # full path to data directory of wiki
        local retention_days="$2"   # number of days after which old files are to be removed

        # purge files older than ${retention_days} days from attic and media_attic (old revisions)
        find "${data_path}"/{media_,}attic/ -type f -not -name _dummy -mtime +${retention_days} -delete

        # remove stale lock files (files which are 1-2 days old)
        find "${data_path}"/locks/ -name '*.lock' -type f -mtime +1 -delete

        # remove files older than ${retention_days} days from the cache
        find "${data_path}"/cache/?/ -type f -not -name _dummy -mtime +${retention_days} -delete

        # remove empty directories
        find "${data_path}"/{attic,cache,index,locks,media,media_attic,media_meta,meta,pages,tmp}/ -mindepth 1 -type d -empty -delete
}

# cleanup DokuWiki installations (path to datadir, number of days)
# some examples:

if [ $# -eq 1 ]; then
        REP_WIKI="$1/data"
        if [ -d ${REP_WIKI} ]; then
                cleanup ${REP_WIKI} 30
        else
                printf "\n\t>>> Répertoire ${REP_WIKI} inexistant\n\n"
                exit 1
        fi
else
        printf "\n\t>>> Passer le répertoire du Dokuwiki en paramètre\n\n"
        exit 1
fi