Emacs-snapshot build script for Ubuntu PPA

update-emacs-ppa.sh

#!/bin/bash

# Author: Damien Cassou
#
# This is the script I use to build https://launchpad.net/~cassou/+archive/emacs/
# from http://emacs.naquadah.org/.

MAIN_VERSION=20120410
SUB_VERSION=1

SERVER=http://emacs.naquadah.org/unstable
PKG_VERSION=-1
VERSION=${MAIN_VERSION}${PKG_VERSION}
PACKAGE=emacs-snapshot


function packageForDistribution() {
    distrib="$1"
    mkdir build_$distrib
    cp *.tar.gz build_$distrib
    cp *.tar.bz2 build_$distrib
    cd build_$distrib
    tar xfz *.tar.gz
    tar xfj *.tar.bz2
    mv debian emacs-snapshot*/
    cd emacs-snapshot*
    
    cd debian
    # Changes compression from xz to bzip2
    sed --in-place 's/\(dh_builddeb .* \)-Z xz/\1-Z bzip2/' rules

    # Lower dependency requirement on dpkg-dev as we don't use xz anymore
    sed --in-place 's/\(dpkg.* \)(>= 1.15.6)/\1(>= 1.15.5)/' control
    sed --in-place 's/\(dpkg.* \)(>= 1.15.6)/\1(>= 1.15.5)/' control.in
    cd ..

    EMAIL=damien.cassou@gmail.com dch -l ~ppa$SUB_VERSION~$distrib "Build for $distrib"
    debuild -S -sa --changes-option='-DDistribution='${distrib}
    cd ..
    dput ppa:cassou/emacs emacs-snapshot*_source.changes
    cd ..
}

wget --no-clobber ${SERVER}/${PACKAGE}_${VERSION}.dsc
wget --no-clobber ${SERVER}/${PACKAGE}_${MAIN_VERSION}.orig.tar.xz
wget --no-clobber ${SERVER}/${PACKAGE}_${VERSION}.debian.tar.gz

# Convert from tar.xz to tar.bz2 to support Ubuntu lucid and its dpkg < 1.15.6
file=${PACKAGE}_${MAIN_VERSION}.orig.tar
unxz --stdout $file.xz | bzip2 --compress --stdout > $file.bz2
rm -f $file.xz

packageForDistribution oneiric
packageForDistribution natty
packageForDistribution lucid
packageForDistribution maverick
packageForDistribution precise