#!/bin/sh

# XXX merge with makeworld?

usage () {
  echo "usage: mkbindist <arch> <branch> [<buildid>]"
  exit 1
}

cleandir() {
    dir=$1
    rm -rf ${dir} 2>/dev/null
    if [ -d ${dir} ]; then
	chflags -R noschg ${dir}
	rm -rf ${dir}
    fi
}

if [ $# -lt 2 ]; then
  usage
fi

arch=$1
branch=$2
shift 2
 
buildid="latest"
if [ $# -gt 0 ]; then
    buildid="$1"
    shift
fi

pbc=${PORTBUILD_CHECKOUT:-/a/portbuild}
pbd=${PORTBUILD_DATA:-/a/portbuild}

builddir=${pbd}/${arch}/${branch}/builds/${buildid}
if [ ! -d ${builddir} ]; then
    echo "build directory ${builddir} does not exist!"
    exit 1
fi
 
. ${pbc}/admin/conf/admin.conf
. ${pbc}/conf/server.conf
. ${pbd}/${arch}/portbuild.conf
if [ -f ${builddir}/portbuild.conf ]; then
    . ${builddir}/portbuild.conf
fi

. ${pbc}/scripts/buildenv

if ! validate_env ${arch} ${branch}; then
    echo "Invalid build environment ${arch}/${branch}"
    exit 1
fi

tmpdir=${builddir}/bindist/tmp

# Clean up ${tmpdir}
cleandir ${tmpdir}
mkdir -p ${tmpdir}

# Copy the files into the tmpdir from an existing built world
destdir=${WORLDDIR}/${arch}/${branch}
cd ${destdir}; find -dx . | \
    grep -v -E '^./usr/(local|obj|opt|ports|src)' | \
    grep -v '^./home' | \
    grep -v '^./var/db/pkg' | \
    cpio -dump ${tmpdir}

cd ${tmpdir}

# Customize the tmpdir
if [ -s "${builddir}/bindist/delete" ]; then
  sed -e "s,^,${tmpdir}," ${builddir}/bindist/delete | xargs rm -rf
fi
if [ -s "${builddir}/bindist/dirlist" ]; then
  cat "${builddir}/bindist/dirlist" | xargs mkdir -p 
fi
# XXX MCL seems to be obsoleted by individual files in clients/?
if [ -d ${builddir}/bindist/files ]; then
  cd ${builddir}/bindist/files; find -dx . | cpio -dump ${tmpdir}
fi

# Post-processing of installed world
date '+%Y%m%d' > ${tmpdir}/var/db/port.mkversion

# Create the tarball
tar cfCj ${builddir}/.bindist.tbz ${tmpdir} .
mv -f ${builddir}/.bindist.tbz ${builddir}/bindist.tbz
md5 ${builddir}/bindist.tbz > ${builddir}/bindist.tbz.md5

# Clean up
cd ${builddir}
cleandir ${tmpdir}