#!/bin/bash
#
# prtverify 
# Version 0.4.4 - 2014-11-23
# Juergen Daubert <jue at jue dot li>


MODDIR=@@LIBDIR@@/prtverify
WHITELIST=$(ls -1 --color=none $MODDIR/*.wl)
PORTFILES='Pkgfile .footprint .signature'
LOGLEVEL=15
TESTS=$MODDIR/[023]*.awk


### Functions

checkargs() {
    if [ $1 -lt 1 ]; then
        usage
    fi
}

perror() {
    echo "=====  Error: $1" >&2
    exit -1
}

usage() {
    echo "Usage: ${0##*/} [options] port ...
options:
 -l loglevel
 -m clean-repo
 -m missing-deps  -c path_to_collection [-c path_to_collection ...]
 -m file-conflict -c path_to_collection [-c path_to_collection ...]
See prtverify(1) for a detailed description of all options."
    exit 0
}

checkcollections() {
    local dir
    if [ -z "$COLLECTIONS" ]; then
        perror "Need one or more collection. Use -c option to set."
    fi

    for dir in $COLLECTIONS; do
        if [ ! -d $dir ]; then
            perror "$dir is not a directory"
            continue
        fi
        if [ -z "$(eval echo "$dir/*/Pkgfile")" ]; then
            perror "$dir is not a CRUX port-collection directory"
        fi
    done
}

cleanup() {
    rm -f $FPDB
    exit 0
}

checkmode() {
    case $1 in
    clean-repo)
        TESTS=$MODDIR/[0123]*.awk
        ;;
    file-conflict)
        MODE_FC=1
        ;;
    missing-deps)
        MODE_MD=1
        ;;
    *)  usage
        ;;
    esac
}

getoptions() {
    local option
    while getopts :l:m:c: option
    do
        case  $option in
        l)  LOGLEVEL="$OPTARG"
            ;;
        m)  checkmode "$OPTARG"
            ;;
        c)  COLLECTIONS="$COLLECTIONS $OPTARG"
            ;;
        *)  usage
            ;;
        esac
    done
    shift $(($OPTIND - 1))

    PORTS=$@
}

findmodules() {
    local mod
    for mod in $TESTS; do
        MODULES="$MODULES -f $mod"
    done
}

mkfootprintdb() {
    local dir files
    FPDB=$(mktemp -p ${TMPDIR:-/tmp} prtverify.XXXXXXXX)

    for dir in $COLLECTIONS; do
        files="$files $dir/*/.footprint"
    done

    gawk \
        -v FOOTPRINTDB="$FPDB" \
        -f $MODDIR/00_prtverify_lib.awk \
        -f $MODDIR/90_mk_footprint_db.awk \
        $files
}

mkportslist() {
    local dir
    for dir in $COLLECTIONS; do
        DEPPORTS="$DEPPORTS `ls -1 --color=none $dir`"
    done
}

runtests() {
    local dir
    checkargs $#

    for dir in $@; do
        gawk \
            -v LOG_LEVEL=$LOGLEVEL \
            -v FOOTPRINTDB="$FPDB" \
            -v PORT_FILES="$PORTFILES" \
            -v WHITE_LIST="$WHITELIST" \
            -v DEP_PORTS="$DEPPORTS" \
            $MODULES $dir
    done
}

main() {
    checkargs $#
    getoptions $@

    if [ $MODE_FC ] || [ $MODE_MD ]; then
        checkcollections
        if [ $MODE_FC ]; then 
            mkfootprintdb
        fi
        if [ $MODE_MD ]; then 
            mkportslist
        fi
    fi

    findmodules
    runtests $PORTS
    cleanup
}

### Main

export LC_ALL=C
shopt -s nullglob
trap "cleanup" HUP INT QUIT TERM

main "$@"

# End of file