#!/bin/sh
set -x

CWD=$(pwd)

PRGNAM=$(basename $CWD)
VERSION=git_$(date +%Y.%m.%d_%H.%M)

BUILD=1

ARCH=$(uname -m)
LIBSUFFIX=$(echo $ARCH | grep -o "\(64\)")

TAG=cyco
TMP=/tmp/$TAG
PKG=$TMP/pkg-$PRGNAM
OUTPUT=/tmp

REPOSITORY=/home/installs/SlackBuilds/repositories/$PRGNAM

PREFIX=/usr

# Cleaning
rm -fr $TMP/$PRGNAM-$VERSION
rm -fr $PKG
mkdir -p $TMP

if [ ! -e $REPOSITORY ] ; then
    mkdir -p $(dirname $REPOSITORY)
    git clone "https://github.com/poelzi/ulatencyd.git" $REPOSITORY
else
    ( cd $REPOSITORY
        git pull
    )
fi

# Preparation
cp -R $REPOSITORY $TMP/$PRGNAM-$VERSION
cd $TMP/$PRGNAM-$VERSION
chown -R root:root .
find . \
    \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
    -exec chmod 755 {} \; -o \
    \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
    -exec chmod 644 {} \;
        
# Building
cmake -DCMAKE_INSTALL_PREFIX=$PREFIX

# Installation
make install DESTDIR=$PKG
chmod +x $PKG$PREFIX/sbin/ulatencyd

# no use for this
rm -fr $PKG/lib

mkdir -p $PKG$PREFIX/doc/$PRGNAM
cp -a AUTHORS COPYING ChangeLog NEWS README TODO docs/ $PKG$PREFIX/doc/$PRGNAM

mkdir -p $PKG/etc/rc.d/
cat $CWD/rc.ulatencyd.new > $PKG/etc/rc.d/rc.ulatencyd.new

# Cleaning
find $PKG | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
find $PKG | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

find $PKG$PREFIX/man -type f -name "*.?" -exec gzip -9 {} \;

chown -R root:root $PKG
find $PKG -type f -exec chmod 644 {} \;
chmod +x $PKG$PREFIX/bin/*

# Packaging
cd $PKG
mkdir install
cat <<EOF > $PKG/install/doinst.sh
config() {
  NEW="\$1"
  OLD="\$(dirname \$NEW)/\$(basename \$NEW .new)"
  # If there's no config file by that name, mv it over:
  if [ ! -r \$OLD ]; then
    mv \$NEW \$OLD
  elif [ "\$(cat \$OLD | md5sum)" = "\$(cat \$NEW | md5sum)" ]; then # toss the redundant copy
    rm \$NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}
config etc/rc.d/rc.ulatencyd.new
EOF
cat <<EOF > install/slack-desc
$PRGNAM: $PRGNAM (CGroups managing daemon)
$PRGNAM:
$PRGNAM: Ulatency is a daemon that controls how the Linux kernel will spend it's
$PRGNAM: resources on the running processes. It uses dynamic cgroups to give the kernel
$PRGNAM: hints and limitations on processes.
$PRGNAM: 
$PRGNAM: It strongly supports the lua scripting language for writing rules and the
$PRGNAM: scheduler code.
$PRGNAM:
$PRGNAM: https://github.com/poelzi/ulatencyd
$PRGNAM:
EOF

makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | tr -d '-')-$ARCH-$BUILD$TAG.txz