#!/bin/bash

##
## build .deb and .rpm packages from an already-built
## version of rkt

set -e
set -x

version=$1

MAINTAINER=security@coreos.com
LICENSE="APLv2"
VENDOR="CoreOS, Inc."
HOMEPAGE="https://www.github.com/rkt/rkt"
#iteration is the package version; bump if you need to repackage without
#changing the rkt version
ITERATION="${ITERATION:-1}" 
builddir="${BUILDDIR:-/opt/build-rkt}"

function usage {
    echo "usage: BUILDDIR=<builddir> $0 <version>" >&2 
    exit 1
}

if [ ! -d $builddir ]; then
    echo "could not find build dir $builddir" >&2
    usage
fi

if [ -z $version ]; then
    echo "version not specified" >&2
    usage
fi

srcdir=`dirname "$0"`
projectdir=$srcdir/../..

###################################
## INSTALL RKT
#################################
workdir=$(mktemp -d /tmp/rkt-pkg.XXXXXX)
prefix=$workdir/rootfs
mkdir -p $prefix

## install binary
install -Dm755 $builddir/target/bin/rkt $prefix/usr/bin/rkt

## install stage1s
for flavor in fly coreos kvm; do
    stage1_aci="$builddir/target/bin/stage1-${flavor}.aci"
    [[ -f "$stage1_aci" ]] || continue # skip nonexistent
    install -Dm644 $stage1_aci $prefix/usr/lib/rkt/stage1-images/stage1-${flavor}.aci
done

## manpages & doc
for f in $projectdir/dist/manpages/*; do 
    install -Dm644 -t $prefix/usr/share/man/man1 "${f}" 
done

for dir in . subcommands networking performance; do
    for f in $projectdir/Documentation/$dir/*.*; do
        install -Dm644 -t $prefix/usr/share/doc/rkt "${f}"
    done
done

install -Dm644 $projectdir/dist/bash_completion/rkt.bash $prefix/usr/share/bash-completion/completions/rkt
install -Dm644 $projectdir/dist/init/systemd/tmpfiles.d/rkt.conf $prefix/usr/lib/tmpfiles.d/rkt.conf

for unit in rkt-gc.{timer,service} rkt-metadata.{socket,service} rkt-api{.service,-tcp.socket}; do
    install -Dm644 -t $prefix/usr/lib/systemd/system/  $projectdir/dist/init/systemd/${unit}
done

## Copy before and after-install
cp $srcdir/*-{install,remove} $workdir/


#######################
## BUILD THE PACKAGES
#######################
cd $builddir/target/bin
fpm -s dir -t deb \
    -n "rkt" -v "$version" --iteration "$ITERATION" \
    --after-install $workdir/after-install \
    --before-install $workdir/before-install \
	--after-remove $workdir/after-remove \
	--before-remove $workdir/before-remove \
	--after-upgrade $workdir/after-install \
    --license "$LICENSE" --vendor "$VENDOR" --url "$HOMEPAGE" -m "$MAINTAINER" --category utils \
    -d adduser \
    -d dbus \
    -d libc6 \
    -d systemd \
    -d iptables \
    --deb-suggests ca-certificates \
    -C ${prefix} 

fpm -s dir -t rpm \
    -n "rkt" -v "$version" --iteration "$ITERATION" \
    --after-install $workdir/after-install \
    --before-install $workdir/before-install \
	--after-remove $workdir/after-remove \
	--before-remove $workdir/before-remove \
	--after-upgrade $workdir/after-install \
    --license "$LICENSE" --vendor "$VENDOR" --url "$HOMEPAGE" -m "$MAINTAINER" --category utils \
    --provides rkt \
    -d 'shadow-utils' \
    -C ${prefix} 

rm -rf $workdir