cookutils annotate cooklinux @ rev 776

cookiso: clean rootfs before filling it with a packages
author Aleksej Bobylev <al.bobylev@gmail.com>
date Tue Nov 17 01:23:50 2015 +0200 (2015-11-17)
parents 14605a8b8489
children 0b59118bbd03
rev   line source
pankso@633 1 #!/bin/sh
pankso@633 2 #
pankso@633 3 # Simple utility to compile from scratch a custom Linux kernel on SliTaz.
paul@638 4 # No patches, aufs and co, keep it simple. The goal is to let users build
pankso@633 5 # a custom and optimized kernel in a few commands
pankso@633 6 #
al@728 7 # Copyright (C) 2014-15 SliTaz GNU/Linux - BSD License
pankso@633 8 #
pankso@633 9 # Author: Christophe Lincoln <pankso@slitaz.org>
pankso@633 10 #
al@728 11
pankso@633 12 . /lib/libtaz.sh
pankso@633 13 . /etc/slitaz/slitaz.conf
pankso@633 14
pankso@633 15 version="$1"
al@728 16 cookdir='/home/slitaz/src'
al@728 17 srcurl='https://www.kernel.org/pub/linux/kernel'
pankso@633 18
pankso@633 19 check_root
pankso@633 20
al@728 21
pankso@633 22 # Help and usage
al@728 23
pankso@633 24 usage() {
al@728 25 cat <<EOT
pankso@633 26
pankso@633 27 SliTaz Linux Kernel cooker
pankso@633 28
al@728 29 $(boldify 'Usage:') $(basename $0) [version] [--options]
pankso@633 30
al@728 31 $(boldify 'Options:')
paul@639 32 --clean Remove various generated files but keep the config
paul@639 33 --mrproper Remove all generated files + config + backup files
pankso@633 34 --defconfig New config with default from ARCH supplied defconfig
pankso@633 35 --tazconfig New config using current SliTaz /proc/config.gz
pankso@633 36 --localmod Update config removing all unloaded modules
pankso@633 37 --config Update current config with a text based front-end
pankso@633 38 --menuconfig Update current config with a menu based program
pankso@633 39 --xconfig Update current config with a QT based front-end
pankso@633 40 --gconfig Update current config with a GTK based front-end
pankso@633 41 --bzImage Build the compressed kernel image
pankso@633 42 --modules Build all kernel modules
pankso@633 43
al@728 44 $(boldify 'Examples:')
pankso@633 45 $(basename $0) 3.8.3 --defconfig --menuconfig --bzImage
pankso@633 46 $(basename $0) 3.2.14 --tazconfig --bzImage --modules
pankso@633 47
pankso@633 48 EOT
pankso@633 49 }
pankso@633 50
al@728 51
pankso@633 52 # Check and install a packages
al@728 53
pankso@633 54 check_pkg() {
pankso@633 55 if [ ! -f "$PKGS_DB/installed/$1/receipt" ]; then
al@728 56 echo -n "Installing package:"; colorize 34 " $1"
pankso@633 57 tazpkg -gi $1 2>/dev/null >/dev/null
pankso@633 58 fi
pankso@633 59 }
pankso@633 60
al@728 61
pankso@633 62 #
paul@638 63 # Commands/help - Support 3.x 2.6 and 2.4 kernels.
pankso@633 64 #
al@728 65
pankso@633 66 case "$1" in
al@728 67 3.*) wgeturl="${srcurl}/v3.0/" ;;
pankso@633 68 2.6.*) wgeturl="${srcurl}/v2.6/" ;;
pankso@633 69 2.4.*) wgeturl="${srcurl}/v2.4/" ;;
pankso@633 70 -h|-u|help|usage|"")
al@728 71 usage; exit 0 ;;
pankso@633 72 esac
pankso@633 73
al@728 74
pankso@633 75 # Sanity check
al@728 76 if [ -z "$wgeturl" ]; then
al@728 77 echo 'Unable to set download url';
al@728 78 exit 0
al@728 79 fi
al@728 80
pankso@633 81
pankso@633 82 #
pankso@633 83 # Build start
pankso@633 84 #
pankso@633 85
al@728 86 echo -n 'Building Linux kernel:'; colorize 32 " $version"
al@728 87 echo -n 'Source directory:'; colorize 30 " $cookdir"
pankso@633 88
pankso@633 89 # Install needed packages to compile.
al@728 90 for pkg in slitaz-toolchain perl xz lzma patch tar bc; do
pankso@633 91 check_pkg $pkg
pankso@633 92 done
pankso@633 93
pankso@633 94 # Get the source and extract tarball.
pankso@633 95 mkdir -p $cookdir && cd $cookdir || exit 1
pankso@633 96 if [ ! -f "linux-$version.tar.xz" ]; then
pankso@633 97 echo "Downloading Linux kernel source..."
pankso@633 98 wget -c --no-check-certificate ${wgeturl}linux-$version.tar.xz
pankso@633 99 fi
pankso@633 100 if [ ! -d "linux-$version" ]; then
pankso@633 101 echo "Extracting: linux-$version.tar.xz"
al@728 102 unxz -c linux-$version.tar.xz | tar -xf -
pankso@633 103 fi
pankso@633 104
pankso@633 105 # Clean-up and get or update config
pankso@633 106 cd linux-$version
pankso@633 107
al@728 108 if [ -n "$clean" ]; then
pankso@633 109 make clean
pankso@633 110 rm -rf slitaz
pankso@633 111 fi
pankso@633 112
al@728 113 if [ -n "$mrproper" ]; then
pankso@633 114 make mrproper
pankso@633 115 rm -rf slitaz
pankso@633 116 fi
pankso@633 117
pankso@633 118 # Get SliTaz current config.
al@728 119 if [ -n "$tazconfig" ]; then
al@728 120 echo 'Using current SliTaz config: /proc/config.gz'
pankso@633 121 zcat /proc/config.gz > .config
pankso@633 122 yes '' | make oldconfig
pankso@633 123 fi
pankso@633 124
pankso@633 125 # Create a new default config.
al@728 126 if [ -n "$defconfig" ]; then
pankso@633 127 make defconfig
pankso@633 128 fi
pankso@633 129
pankso@633 130 # Update config and wipe out unloaded modules.
al@728 131 if [ -n "$localmod" ]; then
pankso@633 132 make localmodconfig
pankso@633 133 fi
pankso@633 134
al@728 135
pankso@633 136 #
pankso@633 137 # Configurators text/ncurses/Qt/GTK
pankso@633 138 #
pankso@633 139
al@728 140 if [ -n "$config" ]; then
al@728 141 echo 'Starting Text mode configuration tool...'
pankso@633 142 make config
pankso@633 143 fi
pankso@633 144
al@728 145 if [ -n "$menuconfig" ]; then
al@728 146 echo 'Starting Ncurses configuration tool...'
pankso@633 147 check_pkg ncurses-dev
pankso@633 148 make menuconfig
pankso@633 149 fi
pankso@633 150
al@728 151 if [ -n "$xconfig" ]; then
al@728 152 echo 'Starting Qt configuration tool...'
pankso@633 153 check_pkg qt-4
pankso@633 154 make xconfig
pankso@633 155 fi
pankso@633 156
al@728 157 if [ -n "$gconfig" ]; then
al@728 158 echo 'Starting GTK+ configuration tool...'
pankso@633 159 check_pkg gtk+-dev
pankso@633 160 check_pkg libglade-dev
pankso@633 161 make gconfig
pankso@633 162 fi
pankso@633 163
al@728 164 if [ -n "$bzImage" ]; then
al@728 165 echo 'Building bzImage...'
pankso@633 166 make bzImage || exit 1
pankso@633 167 mkdir -p slitaz/linux-custom-$version/fs/boot
pankso@633 168 cp -f arch/x86/boot/bzImage \
pankso@633 169 slitaz/linux-custom-$version/fs/boot/vmlinuz-$version
pankso@633 170 fi
al@728 171
al@728 172 if [ -n "$modules" ]; then
al@728 173 echo 'Building modules...'
pankso@633 174 make modules || exit 1
pankso@633 175 make INSTALL_MOD_PATH=slitaz/linux-custom-$version/fs modules_install
pankso@633 176 rm -f slitaz/linux-custom-$version/fs/lib/modules/$version/build
pankso@633 177 rm -f slitaz/linux-custom-$version/fs/lib/modules/$version/source
pankso@633 178 fi
pankso@633 179
al@728 180
pankso@633 181 #
pankso@633 182 # Packaging
pankso@633 183 #
pankso@633 184
pankso@633 185 if [ -d "slitaz/linux-custom-$version/fs" ]; then
al@728 186 echo 'Packing Linux...'
pankso@633 187 cd slitaz
pankso@633 188 else
al@728 189 echo -n 'Packing Linux:'; colorize 31 ' not yet built'
pankso@633 190 exit 0
pankso@633 191 fi
pankso@633 192
pankso@633 193 # Receipt.
al@728 194 echo 'Creating the receipt...'
al@728 195 cat > linux-custom-$version/receipt <<EOF
pankso@633 196 # SliTaz package receipt.
pankso@633 197
pankso@633 198 PACKAGE="linux-custom"
pankso@633 199 VERSION="$version"
pankso@633 200 CATEGORY="base-system"
pankso@633 201 SHORT_DESC="The Linux kernel and modules."
pankso@633 202 MAINTAINER="devel@slitaz.org"
pankso@633 203 WEB_SITE="http://www.kernel.org/"
pankso@633 204
pankso@633 205 DEPENDS="kmod"
pankso@633 206
pankso@633 207 ## Pre and post install commands for Tazpkg.
pankso@633 208 post_install()
pankso@633 209 {
pankso@633 210 echo "Processing post-install commands..."
pankso@633 211 depmod -a \$VERSION-custom
pankso@633 212 echo "Check your GRUB menu.lst to boot your new kernel"
pankso@633 213 }
pankso@633 214
pankso@633 215 EOF
pankso@633 216
pankso@633 217 ## Pre and post install commands for Tazpkg/Spk.
pankso@633 218 #post_install()
pankso@633 219 #{
pankso@633 220 #echo "Processing post-install commands..."
pankso@633 221 #chroot "\$1/" depmod -a \$VERSION
pankso@633 222 ## GRUB stuff.
pankso@633 223 #if [ -f "\$1/boot/grub/menu.lst" ]; then
pankso@633 224 #root_dev=\$(cat $1/boot/grub/menu.lst | grep root= | sed 's/.*root=\([^ ]*\).*/\1/' | head -n 1)
pankso@633 225 #grub_dev=\$(cat $1/boot/grub/menu.lst | grep "root (" | head -n 1)
pankso@633 226 ## Add new kernel entry in case of upgrade for installed system.
pankso@633 227 #if ! grep -q vmlinuz-\$VERSION \$1/boot/grub/menu.lst; then
pankso@633 228 #cat >> \$1/boot/grub/menu.lst << EOT
pankso@633 229
pankso@633 230 #title SliTaz GNU/Linux (Kernel \$VERSION)
pankso@633 231 #\$grub_dev
pankso@633 232 #kernel /boot/vmlinuz-\$VERSION root=\$root_dev
pankso@633 233 #EOT
pankso@633 234 #fi
pankso@633 235 #}
pankso@633 236
pankso@633 237 # Pack it.
pankso@633 238 tazpkg pack linux-custom-$version
pankso@633 239
pankso@633 240 # Install the new kernel.
al@728 241 if [ -n "$install" ]; then
pankso@633 242 cd $cookdir/linux-$version/slitaz
pankso@633 243 tazpkg -i linux-custom-$version.tazpkg --forced
pankso@633 244 fi
pankso@633 245
pankso@633 246 exit 0