#!/bin/sh

# Slackware build script for containerd
# Written by Asaf Ohayon <asaf@sysbind.co.il>

PRGNAM=containerd
VERSION=${VERSION:-0.2.3}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/containerd-${VERSION}.tar.gz || tar xvf $CWD/v$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
# the have symlinks in their testdata that goes outside the context of this build
find -L . ! -type l \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o ! -type l \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

source /etc/profile.d/go.sh

unset GOPATH
export GOPATH="${TMP}/${PRGNAM}-${VERSION}"
mkdir -p src/github.com/docker
cd src/github.com/docker/
ln -rsf "${TMP}/${PRGNAM}-${VERSION}" containerd
cd containerd
LDFLAGS= make

cd src/github.com/docker/containerd/bin
for file in $(find . -type f -print); do
    echo ${file}
    install -Dm755 ${file} ${PKG}/usr/bin/${file}
    file=$(echo ${file} | sed 's/\.\///g')
    if [[ "${file}" == "ctr" ]]; then
        ln -s ${file} ${PKG}/usr/bin/docker-containerd-${file}
    else
        ln -s ${file} ${PKG}/usr/bin/docker-${file}
    fi
done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}