#!/bin/sh

# variables
CWD=$(pwd)

PRGNAM=$(basename $(pwd))
BRANCH=
VERSION=${VERSION:-$(date +"%Y.%m.%d_%H.%M")}
ARCH=${ARCH:-$(uname -m)}
BUILD=1


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

REPOSITORIES=/home/installs/SlackBuilds/repositories

DOCS="*.txt"

PREFIX=/usr

SLCKFLAGS=""

if [ ! -e $REPOSITORIES/$PRGNAM ]; then
    git clone git://git.suckless.org/st $REPOSITORIES/$PRGNAM
else
    ( cd $REPOSITORIES/$PRGNAM
      git pull
    )
fi
VERSION="$( cd $REPOSITORIES/$PRGNAM && git log -1 --format=%h_%ad --date=format:%Y.%m.%d )"

# nettoyage préalable
rm -fr $PKG $TMP/$PRGNAM-$VERSION

mkdir -p $PKG

# mise en place
cd $TMP
if [ -e $CWD/$PRGNAM-$VERSION.tar.?z* ] ; then
    tar xf $CWD/$PRGNAM-$VERSION.tar.?z*
else
    cp -R $REPOSITORIES/$PRGNAM $TMP/$PRGNAM-$VERSION
fi

# Getting official patches
mkdir -p $CWD/patches/
cd $CWD/patches/
wget -c https://st.suckless.org/patches/scrollback/st-scrollback-20170329-149c0d3.diff
wget -c https://st.suckless.org/patches/scrollback/st-scrollback-mouse-20170427-5a10aca.diff
wget -c https://st.suckless.org/patches/vertcenter/st-vertcenter-20170601-5a10aca.diff

cd $TMP/$PRGNAM-$VERSION

# configuration
for i in $(ls $CWD/patches); do
    echo "Applying patch $i"
    patch -p1 < $CWD/patches/$i
done
sed -i 's|Liberation Mono:pixelsize=12:antialias=true:autohint=true|Terminus:pixelsize=12:antialias=true:autohint=true|g' *

# compilation
make -j3 PREFIX=$PREFIX

# installation
make install DESTDIR=$PKG PREFIX=$PREFIX MANPREFIX=$PREFIX/man

# correction
cd $PKG
chown -R root:root *

find $PKG -name \.hg\* -exec rm -fr {} \;

[ -d $PKG/usr/man ] && find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

# Strip binaries
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)


# embaumement
mkdir -p $PKG/install
cat <<EOF > $PKG/install/slack-desc
$PRGNAM: $PRGNAM (st is a simple terminal implementation for X.)
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM:
$PRGNAM: http://st.suckless.org/
$PRGNAM:
EOF

# empaquetage
cd $PKG
rm -f $PKG/{,usr/}lib$(uname -m | grep -o 64)/*.la
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | sed 's/-//g')-$ARCH-$BUILD$TAG.txz