shellfu/ffood.sh.in

#!/bin/bash

FFOOD_DATA_DIR=${FFOOD_DATA_DIR:-$HOME/.ffood}
FFOOD_DIR=${FFOOD_DIR:-__FFOOD_DIR__}
FFOOD_ARTIFACTS_DIR=${FFOOD_ARTIFACTS_DIR:-artifacts}
FFOOD_DEBUG=${FFOOD_DEBUG:-false}
FFOOD_DEBUGINIT=${FFOOD_DEBUGINIT:-false}
FFOOD_INCLUDE=${FFOOD_INCLUDE:-$FFOOD_DIR/include}
FFOOD_MKPRETTY=${FFOOD_MKPRETTY:-plain}
FFOOD_VERBOSE=${FFOOD_VERBOSE:-false}
FFOOD_VERSION=__VERSION__

ffood() {
    case $1 in
        __debug)
            $FFOOD_DEBUGINIT || return 0
            shift
            echo "debug: $@" >&2
            ;;
        __die)
            shift
            echo "$@" >&2
            exit 1
            ;;
        doc)
            ffood __die "not implemented (sorry...)"
            ;;
        import)
            ffood __debug "importing module $2"
            local mfile=$(ffood _list_mfiles_like $2 | head -1)
            test -n "$mfile" || ffood __die "cannot find module $2"
            ffood __debug "found module file: $mfile"
            . $mfile
            return $?
            ;;
        _list_all_functions)
            local mfile
            ffood _list_all_mfiles | while read mfile;
            do
                ffood _list_functions_in_mfile "$mfile"
            done
            ;;
        _list_all_modules)
            local mp mfn;
            ffood _list_all_mfiles | while read mp;
            do
                mfn="${mp##*/}"
                echo "${mfn%%.sh}"
            done
            ;;
        _list_all_mfiles)
            {
                echo $FFOOD_INCLUDE/*.sh | tr ' ' '\n'
                test -n "$FFOOD_PATH" && echo $FFOOD_PATH/*.sh
            } | tr ' ' '\n'
            ;;
        _list_mfiles_like)
            test -f "$FFOOD_INCLUDE/$2.sh"                  && echo "$FFOOD_INCLUDE/$2.sh"
            test -n "$FFOOD_PATH" -a -f "$FFOOD_PATH/$2.sh" && echo "$FFOOD_PATH/$2.sh"
            ;;
        _list_functions_in_mfile)
            local mfile="$2"
            grep -HE '^[[:alnum:]_]+\(\) \{' "$mfile" \
              | sed -e 's/^.*\///; s/\.sh:/./; s/(.*//'
            ;;
        *)
            ffood __die "unknown ffood command: $1"
            ;;
    esac
}

ffood __debug "FFOOD_DATA_DIR='$FFOOD_DATA_DIR'"
ffood __debug "FFOOD_DIR='$FFOOD_DIR'"
ffood __debug "FFOOD_ARTIFACTS_DIR='$FFOOD_ARTIFACTS_DIR'"
ffood __debug "FFOOD_DEBUG='$FFOOD_DEBUG'"
ffood __debug "FFOOD_DEBUGINIT='$FFOOD_DEBUGINIT'"
ffood __debug "FFOOD_INCLUDE='$FFOOD_INCLUDE'"
ffood __debug "FFOOD_INIPATH='$FFOOD_INIPATH'"
ffood __debug "FFOOD_MKPRETTY='$FFOOD_MKPRETTY'"
ffood __debug "FFOOD_VERBOSE='$FFOOD_VERBOSE'"
ffood __debug "FFOOD_VERSION='$FFOOD_VERSION'"