#!/bin/sh
#
# dist2pkg - creates a pkgadd installable file/filesystem from a gzip'd tar
#            archive of a binary distribution
#
# written 08-Nov-97 by Ron Record (rr@sco.com)
#
# usage - dist2pkg [-d path] [-e] [-y] [-n] [-p] [-u] [-z]
#          where -y indicates a yes answer to all questions
#                -d path indicates the distribution path
#                -e indicates the distribution has already been extracted
#                -n indicates just tell me what you would have done
#                -p indicates that a prototype file aleady exists
#                -z indicates only produce new pkg files (skip if exists)
#                -u produces a usage message
#

DIST=/home/ftp/pub/uw7/dist
AUTO=
VERB=
EXTR=1
PROTO=
UPDATE=

usage() {
    echo "usage : dist2pkg [-d path] [-e] [-n] [-y] [-p] [-u] [-z]"
    echo "\twhere -y indicates a yes answer to all questions"
    echo "\t      -n indicates just tell me what you would have done"
    echo "\t      -p indicates that a prototype file already exists"
    echo "\t      -d path indicates the distribution path"
    echo "\t      -e indicates the distribution has already been extracted"
    echo "\t      -z indicates only produce new pkg files (skip if exists)"
    echo "\tand   -u produces a usage message"
    exit 1
}

while getopts d:enpuyz c
do
    case $c in
    d)  DIST="$OPTARG"
        ;;
    e)  EXTR=
        ;;
    n)  VERB=1
        ;;
    p)  PROTO=1
        ;;
    y)  AUTO=1
        ;;
    z)  UPDATE=1
        ;;
    u)  usage
        ;;
    ?)  usage
        ;;
    esac
done
shift `expr $OPTIND - 1`

cd $DIST

[ -d ../pkg ] || {
    if [ "$VERB" ]
    then
        echo "mkdir ../pkg"
    else
        mkdir ../pkg
    fi
}

chkdist

for i in *-dist.tar.gz domestic/*-dist.tar.gz
do
    [ "$i" = "*-dist.tar.gz" ] && continue
    [ "$i" = "domestic/*-dist.tar.gz" ] && continue
    cd $DIST
    pkgdir=`echo $i | sed -e "s/-dist.tar.gz//"`
    p=../pkg/$pkgdir
    [ -d $p ] || {
        if [ "$VERB" ]
        then
            echo "mkdir $p"
        else
            mkdir $p
        fi
    }
    cd $p
    namrel="`echo $pkgdir | sed -e 's/-/ /' -e 's/domestic\///'`"
    n=
    r=
    for j in $namrel
    do
        [ "$n" ] || {
            n=`echo $j | sed -e "s/_//"`
            continue
        }
        [ "$r" ] || r=$j
    done
    nsiz=`echo $n | wc -c`
    [ $nsiz -gt 10 ] && {
#       echo "$n package abbreviation exceeds the 9 character limit, skipping"
#       continue
        n=`echo $n | cut -c 1-9`
    }
    [ "$UPDATE" ] && {
        [ -f ../../Packages/$n.pkg ] && continue
        [ -f ../../../Packages/domestic/$n.pkg ] && continue
    }
    [ "$AUTO" ] || {
        echo "Making package for $n $r. Ok ? (y/n) \c"
        read ans
        [ "$ans" = "n" ] && continue
    }
    [ "$EXTR" ] && {
        if [ "$VERB" ]
        then
            echo "gzcat $DIST/$i | tar xf -"
        else
            gzcat $DIST/$i | tar xf -
        fi
    }
    if [ "$PROTO" ]
    then
        if [ "$VERB" ]
        then
            echo "/usr/local/lib/mkpkg/MakePkg $n"
        else
            /usr/local/lib/mkpkg/MakePkg $n
        fi
    else
        if [ "$VERB" ]
        then
            # Update implies extract
            [ "$UPDATE" ] && [ "$EXTR" ] || {
                echo "gzcat $DIST/$i | tar xf -"
            }
            echo "mkpkg $n $r"
        else
            # Update implies extract
            [ "$UPDATE" ] && [ "$EXTR" ] || gzcat $DIST/$i | tar xf -
            mkpkg $n $r
        fi
    fi
done

#
# Now create the new symlinks from the Packages directory
#
# cd $DIST/../Packages
# for i in ../pkg/*/*.pkg
# do
#     b=`basename $i`
#     [ -f $b ] && continue
#     ln -s $i .
# done
# cd $DIST/../Packages/domestic
# for i in ../../pkg/domestic/*/*.pkg
# do
#     b=`basename $i`
#     [ -f $b ] && continue
#     ln -s $i .
# done