#!/bin/sh

VERSION=0.01

die() {
    echo "error: $*"
    exit 1
}

pbjtopkg()
{
    pkg=$1
    rm -rf "$pkgroot/$pkg"
    mkdir "$pkgroot/$pkg"
    cd "$pkgroot/$pkg"

    jamfile="$jamdir/$1.pbj"
    if [ ! -f "$jamfile" ]
    then
        die "$jamfile is missing"
    fi

    # Match the pkgname to the .pbj filename.
    # Provide values for other things macros won't be able to.
    printf "+ pkgname $pkg\n+ pkgrel ${PKGREL:-1}\n+ pbjver $VERSION\n" \
        | cat - "$jamfile" \
        | pbjexpand \
        | awk -f "$bindir/pbjparse.awk" \
        > PKGMETA

    if [ $? -ne 0 ]
    then
        die "Failed to write $pkgroot/$pkg/PKGMETA"
    fi

    # pbjparse.awk also creates a makepb script in our cwd.
    if ! ./makepb >PKGBUILD
    then
        die "makepb failed, error code $?"
    fi

    echo "$pkgroot/$pkg/PKGBUILD"
}

if [ -z "$1" ]; then die "Usage: $0 [package name]"; fi
if [ "$PBJROOT" ]; then cd "$PBJROOT"; fi

bindir="$(pwd)/bin"
if [ ! -d "$bindir" ]; then die "$bindir does not exist"; fi
PATH="$PATH:$bindir"

if [ -n "$PKGROOT" ]; then pkgroot="$PKGROOT"
else pkgroot="$(pwd)/pkg"
fi

if [ ! -d "$pkgroot" ]; then die "$pkgroot does not exist"; fi

jamdir="$(pwd)/pbj"
if [ ! -d "$jamdir" ]; then die "$jamdir does not exist"; fi

export PATH="$PATH:$bindir/macros:$bindir/templ"
for pbj; do pbjtopkg "$pbj"; done