#!/bin/bash
#  $HeadURL$ $LastChangedRevision$

#  Modules
. <(pcms-config --format=shell)
. $(miniade) || { echo "${0##*/}: ERROR: miniade failed (hint: run 'miniade' to see error)" >&2; exit 1; }

#  Configurable stuff
ALLOWED_ZERO_SIZE_FILE_EXTENSIONS=(
    copy
    driverinstall
    facility
    file
    fix
    grpmem
    install
    key
    nmdnsent
    nmnicent
    service
    symlink
    traddnsent
    uninstall
    user
    volume
)

main()
{
    local MY_ARGS
    #  Defaults for options

    #  Process options
    miniade_process_options MY_ARGS "$@" && set -- "${MY_ARGS[@]}"

    #  Process arguments
    [ $# = 0 ] || miniade_bad_usage

    #  Sanity checks and derivations
    FIND_CMDLINE="find \$PCMS_STATE_PREFIX/ -type f -size 0 \\! \\($(\
        DONE_ONE=false
        for ALLOWED_ZERO_SIZE_FILE_EXTENSION in "${ALLOWED_ZERO_SIZE_FILE_EXTENSIONS[@]}"; do
            { ! $DONE_ONE; } || echo -n " -o"
            echo -n " -name '*.$ALLOWED_ZERO_SIZE_FILE_EXTENSION'"
            DONE_ONE=true
        done
    ) \\)"
    miniade_debug 10 "main: FIND_CMDLINE=[$FIND_CMDLINE]"

    #  Guts
    eval "$FIND_CMDLINE" | sort | while read FILE; do
        miniade_warning "$FILE: zero-sized file (hint: remove?)"
    done
    find $PCMS_STATE_PREFIX/ -depth -type d -empty | sort | while read DIR; do
        miniade_warning "$DIR: empty directory (hint: remove?)"
    done
}

main "$@"