#!/bin/sh
#
# mkdeb: package the dist/install output of a Xen build in a .deb 
#
# Takes 2 arguments, the path to the dist directory and the version

set -e

if test -z "$1" -o -z "$2" ; then 
  echo "usage: $0 path-to-XEN_ROOT xen-version"
  exit 1
fi 

cd $1
version=$2

# map the architecture, if necessary
case "$XEN_TARGET_ARCH" in
  x86_32|x86_32p)  arch=i386 ;;
  x86_64)  arch=amd64 ;;
  arm32)   arch=armhf ;;
  arm64)   arch=$XEN_TARGET_ARCH;;
  *) echo "Unknown XEN_TARGET_ARCH $XEN_TARGET_ARCH" >&2
     exit 1
     ;;
esac

# Prepare the directory to package
cd dist
rm -rf deb
cp -a install deb

# Debian doesn't use /usr/lib64 for 64-bit libraries
if test -d deb/usr/lib64 ; then 
  cp -a deb/usr/lib64/* deb/usr/lib/
  rm -rf deb/usr/lib64
fi

# Fill in the debian boilerplate
mkdir -p deb/DEBIAN
cat >deb/DEBIAN/control <<EOF
Package: xen-upstream
Source: xen-upstream
Version: $version
Architecture: $arch
Maintainer: Unmaintained snapshot
Section: admin
Priority: optional
Installed-Size: $(du -ks deb | cut -f1)
Description: Xen upstream testing build snapshot
 Warning: This is a custom testing build of Xen; it is not an
 officially supported Debian package. Please not distribute.
 It is just the output of a xen "make dist" wrapped in a .deb
 to make it easy to update and uninstall.
EOF
# Find all /etc files and add them to conffiles
find deb/etc -type f -printf /etc/%P\\n >deb/DEBIAN/conffiles


# Package it up
chown -R root:root deb
dpkg-deb --build -z0 deb xen-upstream-$version.deb

# Tidy up after ourselves
rm -rf deb