1#!/bin/sh 2# 3# builddeb 1.3 4# Copyright 2003 Wichert Akkerman <wichert@wiggy.net> 5# 6# Simple script to generate a deb package for a Linux kernel. All the 7# complexity of what to do with a kernel after it is installed or removed 8# is left to other scripts and packages: they can install scripts in the 9# /etc/kernel/{pre,post}{inst,rm}.d/ directories (or an alternative location 10# specified in KDEB_HOOKDIR) that will be called on package install and 11# removal. 12 13set -e 14 15create_package() { 16 local pname="$1" pdir="$2" 17 18 cp debian/copyright "$pdir/usr/share/doc/$pname/" 19 cp debian/changelog "$pdir/usr/share/doc/$pname/changelog.Debian" 20 gzip -9 "$pdir/usr/share/doc/$pname/changelog.Debian" 21 22 # Fix ownership and permissions 23 chown -R root:root "$pdir" 24 chmod -R go-w "$pdir" 25 26 # Create the package 27 dpkg-gencontrol -isp -p$pname -P"$pdir" 28 dpkg --build "$pdir" .. 29} 30 31# Some variables and settings used throughout the script 32version=$KERNELRELEASE 33revision=$(cat .version) 34if [ -n "$KDEB_PKGVERSION" ]; then 35 packageversion=$KDEB_PKGVERSION 36else 37 packageversion=$version-$revision 38fi 39tmpdir="$objtree/debian/tmp" 40fwdir="$objtree/debian/fwtmp" 41packagename=linux-image-$version 42fwpackagename=linux-firmware-image 43 44if [ "$ARCH" = "um" ] ; then 45 packagename=user-mode-linux-$version 46fi 47 48# Setup the directory structure 49rm -rf "$tmpdir" "$fwdir" 50mkdir -p "$tmpdir/DEBIAN" "$tmpdir/lib" "$tmpdir/boot" "$tmpdir/usr/share/doc/$packagename" 51mkdir -p "$fwdir/DEBIAN" "$fwdir/lib" "$fwdir/usr/share/doc/$fwpackagename" 52if [ "$ARCH" = "um" ] ; then 53 mkdir -p "$tmpdir/usr/lib/uml/modules/$version" "$tmpdir/usr/bin" 54fi 55 56# Build and install the kernel 57if [ "$ARCH" = "um" ] ; then 58 $MAKE linux 59 cp System.map "$tmpdir/usr/lib/uml/modules/$version/System.map" 60 cp .config "$tmpdir/usr/share/doc/$packagename/config" 61 gzip "$tmpdir/usr/share/doc/$packagename/config" 62 cp $KBUILD_IMAGE "$tmpdir/usr/bin/linux-$version" 63else 64 cp System.map "$tmpdir/boot/System.map-$version" 65 cp .config "$tmpdir/boot/config-$version" 66 # Not all arches include the boot path in KBUILD_IMAGE 67 if ! cp $KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version"; then 68 cp arch/$ARCH/boot/$KBUILD_IMAGE "$tmpdir/boot/vmlinuz-$version" 69 fi 70fi 71 72if grep -q '^CONFIG_MODULES=y' .config ; then 73 INSTALL_MOD_PATH="$tmpdir" make KBUILD_SRC= modules_install 74 if [ "$ARCH" = "um" ] ; then 75 mv "$tmpdir/lib/modules/$version"/* "$tmpdir/usr/lib/uml/modules/$version/" 76 rmdir "$tmpdir/lib/modules/$version" 77 fi 78fi 79 80# Install the maintainer scripts 81# Note: hook scripts under /etc/kernel are also executed by official Debian 82# kernel packages, as well as kernel packages built using make-kpkg 83debhookdir=${KDEB_HOOKDIR:-/etc/kernel} 84for script in postinst postrm preinst prerm ; do 85 mkdir -p "$tmpdir$debhookdir/$script.d" 86 cat <<EOF > "$tmpdir/DEBIAN/$script" 87#!/bin/sh 88 89set -e 90 91# Pass maintainer script parameters to hook scripts 92export DEB_MAINT_PARAMS="\$*" 93 94test -d $debhookdir/$script.d && run-parts --arg="$version" $debhookdir/$script.d 95exit 0 96EOF 97 chmod 755 "$tmpdir/DEBIAN/$script" 98done 99 100# Try to determine maintainer and email values 101if [ -n "$DEBEMAIL" ]; then 102 email=$DEBEMAIL 103elif [ -n "$EMAIL" ]; then 104 email=$EMAIL 105else 106 email=$(id -nu)@$(hostname -f) 107fi 108if [ -n "$DEBFULLNAME" ]; then 109 name=$DEBFULLNAME 110elif [ -n "$NAME" ]; then 111 name=$NAME 112else 113 name="Anonymous" 114fi 115maintainer="$name <$email>" 116 117# Generate a simple changelog template 118cat <<EOF > debian/changelog 119linux-upstream ($packageversion) unstable; urgency=low 120 121 * Custom built Linux kernel. 122 123 -- $maintainer $(date -R) 124EOF 125 126# Generate copyright file 127cat <<EOF > debian/copyright 128This is a packacked upstream version of the Linux kernel. 129 130The sources may be found at most Linux ftp sites, including: 131ftp://ftp.kernel.org/pub/linux/kernel 132 133Copyright: 1991 - 2009 Linus Torvalds and others. 134 135The git repository for mainline kernel development is at: 136git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git 137 138 This program is free software; you can redistribute it and/or modify 139 it under the terms of the GNU General Public License as published by 140 the Free Software Foundation; version 2 dated June, 1991. 141 142On Debian GNU/Linux systems, the complete text of the GNU General Public 143License version 2 can be found in \`/usr/share/common-licenses/GPL-2'. 144EOF 145 146# Generate a control file 147cat <<EOF > debian/control 148Source: linux-upstream 149Section: admin 150Priority: optional 151Maintainer: $maintainer 152Standards-Version: 3.8.1 153EOF 154 155if [ "$ARCH" = "um" ]; then 156 cat <<EOF >> debian/control 157 158Package: $packagename 159Provides: linux-image, linux-image-2.6, linux-modules-$version 160Architecture: any 161Description: User Mode Linux kernel, version $version 162 User-mode Linux is a port of the Linux kernel to its own system call 163 interface. It provides a kind of virtual machine, which runs Linux 164 as a user process under another Linux kernel. This is useful for 165 kernel development, sandboxes, jails, experimentation, and 166 many other things. 167 . 168 This package contains the Linux kernel, modules and corresponding other 169 files, version: $version. 170EOF 171 172else 173 cat <<EOF >> debian/control 174 175Package: $packagename 176Provides: linux-image, linux-image-2.6, linux-modules-$version 177Suggests: $fwpackagename 178Architecture: any 179Description: Linux kernel, version $version 180 This package contains the Linux kernel, modules and corresponding other 181 files, version: $version. 182EOF 183 184fi 185 186# Do we have firmware? Move it out of the way and build it into a package. 187if [ -e "$tmpdir/lib/firmware" ]; then 188 mv "$tmpdir/lib/firmware" "$fwdir/lib/" 189 190 cat <<EOF >> debian/control 191 192Package: $fwpackagename 193Architecture: all 194Description: Linux kernel firmware, version $version 195 This package contains firmware from the Linux kernel, version $version. 196EOF 197 198 create_package "$fwpackagename" "$fwdir" 199fi 200 201create_package "$packagename" "$tmpdir" 202 203exit 0 204