1#!/bin/bash -e
2
3# This takes one commandline argument, the name of the package.  If no
4# name is given, then we'll end up just using the name associated with
5# an arbitrary .tar.gz file in the rootdir.  That's fine: there's probably
6# only one.
7#
8# Run this from the 'packages' directory, just under rootdir
9
10## Set LIB to lib if exporting a library, empty-string else
11LIB=
12#LIB=lib
13
14PACKAGE="$1"
15
16# We can only build Debian packages, if the Debian build tools are installed
17if [ \! -x /usr/bin/debuild ]; then
18  echo "Cannot find /usr/bin/debuild. Not building Debian packages." 1>&2
19  exit 0
20fi
21
22# Double-check we're in the packages directory, just under rootdir
23if [ \! -r ../Makefile -a \! -r ../INSTALL ]; then
24  echo "Must run $0 in the 'packages' directory, under the root directory." 1>&2
25  echo "Also, you must run \"make dist\" before running this script." 1>&2
26  exit 0
27fi
28
29# Find the top directory for this package
30topdir="${PWD%/*}"
31
32# Find the tar archive built by "make dist"
33archive="$(basename "$(ls -1 ${topdir}/$PACKAGE*.tar.gz | tail -n 1)" .tar.gz)"
34if [ -z "${archive}" ]; then
35  echo "Cannot find ../$PACKAGE*.tar.gz. Run \"make dist\" first." 1>&2
36  exit 0
37fi
38
39# Create a pristine directory for building the Debian package files
40trap 'rm -rf '`pwd`/tmp'; exit $?' EXIT SIGHUP SIGINT SIGTERM
41
42rm -rf tmp
43mkdir -p tmp
44cd tmp
45
46# Debian has very specific requirements about the naming of build
47# directories, and tar archives. It also wants to write all generated
48# packages to the parent of the source directory. We accommodate these
49# requirements by building directly from the tar file.
50ln -s "${topdir}/${archive}.tar.gz" "${LIB}${archive}.orig.tar.gz"
51tar zfx "${LIB}${archive}.orig.tar.gz"
52[ -n "${LIB}" ] && mv "${archive}" "${LIB}${archive}"
53cd "${LIB}${archive}"
54# This is one of those 'specific requirements': where the deb control files live
55ln -s "packages/deb" "debian"
56
57# Now, we can call Debian's standard build tool
58debuild -uc -us
59cd ../..                            # get back to the original top-level dir
60
61# We'll put the result in a subdirectory that's named after the OS version
62# we've made this .deb file for.
63destdir="debian-$(cat /etc/debian_version 2>/dev/null || echo UNKNOWN)"
64
65rm -rf "$destdir"
66mkdir -p "$destdir"
67mv $(find tmp -mindepth 1 -maxdepth 1 -type f) "$destdir"
68
69echo
70echo "The Debian package files are located in $PWD/$destdir"
71