#!/bin/sh
CWD=$(pwd)
PKG=/tmp/package-mkinitrd

VERSION=1.3.2
BB=1.7.2
ARCH=${ARCH:-i486}
BUILD=3

rm -rf $PKG
mkdir -p $PKG
cd /tmp
rm -rf busybox-$BB
tar xjvf $CWD/busybox-$BB.tar.bz2 || exit 1
cd busybox-$BB

zcat $CWD/busybox-${BB}.remove_warning.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/busybox-${BB}.no-gc-sections.diff.gz | patch -p1 --verbose || exit 1

chown -R root:root .
cp $CWD/busybox-dot-config .config
make oldconfig
make -j4 || exit 1
mkdir -p $PKG/usr/share/mkinitrd
cp $CWD/keymaps.tar.gz $PKG/usr/share/mkinitrd
mkdir -p $PKG/usr/share/mkinitrd/initrd-tree/bin
cp busybox $PKG/usr/share/mkinitrd/initrd-tree/bin
( cd $PKG/usr/share/mkinitrd/initrd-tree
  tar xzf $CWD/_initrd-tree.tar.gz
  tar czf ../initrd-tree.tar.gz .
)
rm -rf $PKG/usr/share/mkinitrd/initrd-tree
# Add busybox docs:
mkdir -p $PKG/usr/doc/busybox-$BB
cp -a AUTHORS INSTALL LICENSE README \
  $PKG/usr/doc/busybox-$BB

mkdir -p $PKG/sbin
cat $CWD/mkinitrd > $PKG/sbin/mkinitrd
chmod 755 $PKG/sbin/mkinitrd

mkdir -p $PKG/usr/man/man{5,8}
cat $CWD/mkinitrd.8 | gzip -9c > $PKG/usr/man/man8/mkinitrd.8.gz
cat $CWD/mkinitrd.conf.5 | gzip -9c > $PKG/usr/man/man5/mkinitrd.conf.5.gz

mkdir -p $PKG/etc
cat $CWD/mkinitrd.conf.sample > $PKG/etc/mkinitrd.conf.sample

mkdir -p $PKG/usr/doc/mkinitrd-$VERSION
cp -a $CWD/README.initrd $PKG/usr/doc/mkinitrd-$VERSION

( cd $PKG/usr/doc/mkinitrd-$VERSION
  DATE="$(date)"
  KERNEL_VERSION="$(uname -r)"
  PACKAGE_VERSION="$(uname -r | tr - _)"
  LILO_KERNEL_NAME="$(echo $(uname -r) | tr -d . | tr -d - )"
  cat README.initrd | sed -e s/@DATE@/"$DATE"/ > README.initrd1
  cat README.initrd1 | sed -e s/@KERNEL_VERSION@/"$KERNEL_VERSION"/ > README.initrd2
  cat README.initrd2 | sed -e s/@PACKAGE_VERSION@/"$PACKAGE_VERSION"/ > README.initrd3
  cat README.initrd3 | sed -e s/@LILO_KERNEL_NAME@/"$LILO_KERNEL_NAME"/ > README.initrd4
  cat README.initrd4 | sed -e s/@MKINITRD_VERSION@/"$VERSION"/ > README.initrd5
  cat README.initrd5 | sed -e s/@ARCH@/"$ARCH"/ > README.initrd6
  cat README.initrd6 | sed -e s/@BUILD@/"$BUILD"/ > README.initrd
  rm -f README.initrd{1,2,3,4,5,6}
)
chmod 644 $PKG/usr/doc/mkinitrd-$VERSION/*
chown root:root $PKG/usr/doc/mkinitrd-$VERSION/*

mkdir $PKG/boot
( cd $PKG/boot
  ln -sf /usr/doc/mkinitrd-$VERSION/README.initrd .
)
( 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
)
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
makepkg -l y -c n ../mkinitrd-$VERSION-$ARCH-$BUILD.tgz