gen_cmdline.sh

   1 #!/bin/bash
   2
   3 longusage() {
   4   echo "Gentoo Linux Genkernel ${GK_V}"
   5   echo "Usage: "
   6   echo "  genkernel [options] action"
   7   echo
   8   echo "Available Actions: "
   9   echo "  all                           Build all steps"
  10   echo "  kernel                        Build only the kernel and modules"
  11   echo "  initrd                        Build only the initrd"
  12   echo
  13   echo "Available Options: "
  14   echo "  Debug settings"
  15   echo "        --debuglevel=<0-5>      Debug Verbosity Level"
  16   echo "        --debugfile=<outfile>   Output file for debug info"
  17   echo "        --color                 Output debug in color"
  18   echo "        --no-color              Do not output debug in color"
  19   echo "  Kernel Configuration settings"
  20   echo "        --menuconfig            Run menuconfig after oldconfig"
  21   echo "        --no-menuconfig         Do not run menuconfig after oldconfig"
  22   echo "        --gconfig               Run gconfig after oldconfig"
  23   echo "        --xconfig               Run xconfig after oldconfig"
  24   echo "        --save-config           Save the configuration to /etc/kernels"
  25   echo "        --no-save-config        Don't save the configuration to /etc/kernels"
  26   echo "  Kernel Compile settings"
  27   echo "        --clean                 Run make clean before compilation"
  28   echo "        --mrproper              Run make mrproper before compilation"
  29   echo "        --no-clean              Do not run make clean before compilation"
  30   echo "        --no-mrproper           Do not run make mrproper before compilation"
  31   echo "        --oldconfig             Implies --no-clean and runs a 'make oldconfig'"
  32   echo "        --bootsplash            Install bootsplash support to the initrd"
  33   echo "        --no-bootsplash         Do not use bootsplash"
  34   echo "        --install               Install the kernel after building"
  35   echo "        --no-install            Do not install the kernel after building"
  36   echo "        --no-initrdmodules      Don't copy any modules to the initrd"
  37   echo "        --udev                  Add in udev support."
  38   echo "        --callback=<...>        Run the specified arguments after"
  39   echo "                                the kernel and modules have been"
  40   echo "                                compiled."
  41   echo "  Kernel settings"
  42   echo "        --kerneldir=<dir>       Location of the kernel sources"
  43   echo "        --kernel-config=<file>  Kernel configuration file to use for compilation"
  44   echo "        --module-prefix=<dir>   Prefix to kernel module destination, modules will"
  45   echo "                                be installed in <prefix>/lib/modules"
  46   echo "  Low-Level Compile settings"
  47   echo "        --kernel-cc=<compiler>  Compiler to use for kernel (e.g. distcc)"
  48   echo "        --kernel-as=<assembler> Assembler to use for kernel"
  49   echo "        --kernel-ld=<linker>    Linker to use for kernel"
  50   echo "        --kernel-make=<makeprg> GNU Make to use for kernel"
  51   echo "        --utils-cc=<compiler>   Compiler to use for utilities"
  52   echo "        --utils-as=<assembler>  Assembler to use for utils"
  53   echo "        --utils-ld=<linker>     Linker to use for utils"
  54   echo "        --utils-make=<makeprog> GNU Make to use for utils"
  55   echo "        --makeopts=<makeopts>   Make options such as -j2, etc."
  56   echo "        --mountboot             Mount /boot automatically"
  57   echo "        --no-mountboot          Don't mount /boot automatically"
  58   echo "  Initialization"
  59   echo "        --bootsplash=<theme>    Force bootsplash using <theme>."
  60   echo "        --do-keymap-auto        Forces keymap selection at boot."
  61   echo "        --no-lvm2               Don't add in LVM2 support."
  62   echo "        --bootloader=grub       Add new kernel to GRUB configuration"
  63   echo "  Internals"
  64   echo "        --arch-override=<arch>  Force to arch instead of autodetect"
  65   echo "        --cachedir=<dir>        Override the default cache location"
  66   echo "        --tempdir=<dir>         Location of Genkernel's temporary directory"
  67   echo "  Output Settings"
  68   echo "        --minkernpackage=<tbz2> File to output a .tar.bz2'd kernel and initrd:"
  69   echo "                                No modules outside of the initrd will be"
  70   echo "                                included..."
  71 }
  72
  73 usage() {
  74   echo "Gentoo Linux Genkernel ${GK_V}"
  75   echo "Usage: "
  76   echo "        genkernel [options] all"
  77   echo
  78   echo 'Some useful options:'
  79   echo '        --menuconfig            Run menuconfig after oldconfig'
  80   echo '        --no-clean              Do not run make clean before compilation'
  81   echo '        --no-mrproper           Do not run make mrproper before compilation,'
  82   echo '                                this is implied by --no-clean.'
  83   echo
  84   echo 'For a detailed list of supported options and flags; issue:'
  85   echo '        genkernel --help'
  86 }
  87
  88 parse_opt() {
  89         case "$1" in
  90                 *\=*)
  91                         echo "$1" | cut -f2- -d=
  92                 ;;
  93         esac
  94 }
  95
  96 parse_cmdline() {
  97         case "$*" in
  98               --kernel-cc*)
  99                       CMD_KERNEL_CC=`parse_opt "$*"`
 100                       print_info 2 "CMD_KERNEL_CC: $CMD_KERNEL_CC"
 101               ;;
 102               --kernel-ld*)
 103                       CMD_KERNEL_LD=`parse_opt "$*"`
 104                       print_info 2 "CMD_KERNEL_LD: $CMD_KERNEL_LD"
 105               ;;
 106               --kernel-as*)
 107                       CMD_KERNEL_AS=`parse_opt "$*"`
 108                       print_info 2 "CMD_KERNEL_AS: $CMD_KERNEL_AS"
 109               ;;
 110               --kernel-make*)
 111                       CMD_KERNEL_MAKE=`parse_opt "$*"`
 112                       print_info 2 "CMD_KERNEL_MAKE: $CMD_KERNEL_MAKE"
 113               ;;
 114               --utils-cc*)
 115                       CMD_UTILS_CC=`parse_opt "$*"`
 116                       print_info 2 "CMD_UTILS_CC: $CMD_UTILS_CC"
 117               ;;
 118               --utils-ld*)
 119                       CMD_UTILS_LD=`parse_opt "$*"`
 120                       print_info 2 "CMD_UTILS_LD: $CMD_UTILS_LD"
 121               ;;
 122               --utils-as*)
 123                       CMD_UTILS_AS=`parse_opt "$*"`
 124                       print_info 2 "CMD_UTILS_AS: $CMD_UTILS_AS"
 125               ;;
 126               --utils-make*)
 127                       CMD_UTILS_MAKE=`parse_opt "$*"`
 128                       print_info 2 "CMD_UTILS_MAKE: $CMD_UTILS_MAKE"
 129               ;;
 130               --makeopts*)
 131                       CMD_MAKEOPTS=`parse_opt "$*"`
 132                       print_info 2 "CMD_MAKEOPTS: $CMD_MAKEOPTS"
 133               ;;
 134               --mountboot)
 135                       CMD_MOUNTBOOT=1
 136                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 137               ;;
 138               --no-mountboot)
 139                       CMD_MOUNTBOOT=0
 140                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 141               ;;
 142               --do-keymap-auto)
 143                       CMD_DOKEYMAPAUTO=1
 144                       print_info 2 "CMD_DOKEYMAPAUTO: $CMD_DOKEYMAPAUTO"
 145               ;;
 146               --no-lvm2)
 147                       CMD_NOLVM2=1
 148                       print_info 2 'CMD_NOLVM2: 1'
 149               ;;
 150               --bootloader*)
 151                       CMD_BOOTLOADER=`parse_opt "$*"`
 152                       print_info 2 "CMD_BOOTLOADER: $CMD_BOOTLOADER"
 153               ;;
 154               --debuglevel*)
 155                       CMD_DEBUGLEVEL=`parse_opt "$*"`
 156                       DEBUGLEVEL="${CMD_DEBUGLEVEL}"
 157                       print_info 2 "CMD_DEBUGLEVEL: $CMD_DEBUGLEVEL"
 158               ;;
 159               --menuconfig)
 160                       TERM_LINES=`stty -a | head -n 1 | cut -d\  -f5 | cut -d\; -f1`
 161                       TERM_COLUMNS=`stty -a | head -n 1 | cut -d\  -f7 | cut -d\; -f1`
 162
 163                       if [[ TERM_LINES -lt 19 || TERM_COLUMNS -lt 80 ]]
 164                       then
 165                               echo "Error: You need a terminal with at least 80 columns"
 166                               echo "       and 19 lines for --menuconfig; try --nomenuconfig..."
 167                               exit 1
 168                       fi
 169                       CMD_MENUCONFIG=1
 170                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 171               ;;
 172               --no-menuconfig)
 173                       CMD_MENUCONFIG=0
 174                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 175               ;;
 176               --gconfig)
 177                       CMD_GCONFIG=1
 178                       print_info 2 "CMD_GCONFIG: $CMD_GCONFIG"
 179               ;;
 180               --xconfig)
 181                       CMD_XCONFIG=1
 182                       print_info 2 "CMD_XCONFIG: $CMD_XCONFIG"
 183               ;;
 184               --save-config)
 185                       CMD_SAVE_CONFIG=1
 186                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 187               ;;
 188               --no-save-config)
 189                       CMD_SAVE_CONFIG=0
 190                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 191               ;;
 192               --mrproper)
 193                       CMD_MRPROPER=1
 194                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 195               ;;
 196               --no-mrproper)
 197                       CMD_MRPROPER=0
 198                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 199               ;;
 200               --clean)
 201                       CMD_CLEAN=1
 202                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 203               ;;
 204               --no-clean)
 205                       CMD_CLEAN=0
 206                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 207               ;;
 208               --oldconfig)
 209                       CMD_CLEAN=0
 210                       CMD_OLDCONFIG=1
 211                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 212                       print_info 2 "CMD_OLDCONFIG: $CMD_OLDCONFIG"
 213               ;;
 214               --bootsplash=*)
 215                       CMD_BOOTSPLASH=1
 216                       BOOTSPLASH_THEME=`parse_opt "$*"`
 217                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 218                       print_info 2 "BOOTSPLASH_THEME: $BOOTSPLASH_THEME"
 219               ;;
 220               --bootsplash)
 221                       CMD_BOOTSPLASH=1
 222                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 223               ;;
 224               --no-bootsplash)
 225                       CMD_BOOTSPLASH=0
 226                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 227               ;;
 228               --install)
 229                       CMD_NOINSTALL=0
 230                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 231               ;;
 232               --no-install)
 233                       CMD_NOINSTALL=1
 234                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 235               ;;
 236               --no-initrdmodules)
 237                       CMD_NOINITRDMODULES=1
 238                       print_info 2 "CMD_NOINITRDMODULES: $CMD_NOINITRDMODULES"
 239               ;;
 240               --udev)
 241                       CMD_UDEV=1
 242                       print_info 2 "CMD_UDEV: $CMD_UDEV"
 243               ;;
 244               --callback*)
 245                       CMD_CALLBACK=`parse_opt "$*"`
 246                       print_info 2 "CMD_CALLBACK: $CMD_CALLBACK/$*"
 247               ;;
 248               --tempdir*)
 249                 TEMP=`parse_opt "$*"`
 250                 print_info 2 "TEMP: $TEMP"
 251               ;;
 252               --arch-override*)
 253                       CMD_ARCHOVERRIDE=`parse_opt "$*"`
 254                       print_info 2 "CMD_ARCHOVERRIDE: $CMD_ARCHOVERRIDE"
 255               ;;
 256               --color)
 257                       CMD_USECOLOR=1
 258                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 259               ;;
 260               --no-color)
 261                       CMD_USECOLOR=0
 262                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 263               ;;
 264               --debugfile*)
 265                       CMD_DEBUGFILE=`parse_opt "$*"`
 266                       DEBUGFILE=`parse_opt "$*"`
 267                       print_info 2 "CMD_DEBUGFILE: $CMD_DEBUGFILE"
 268                       print_info 2 "DEBUGFILE: $CMD_DEBUGFILE"
 269               ;;
 270               --kerneldir*)
 271                       CMD_KERNELDIR=`parse_opt "$*"`
 272                       print_info 2 "CMD_KERNELDIR: $CMD_KERNELDIR"
 273               ;;
 274               --kernel-config*)
 275                       CMD_KERNEL_CONFIG=`parse_opt "$*"`
 276                       print_info 2 "CMD_KERNEL_CONFIG: $CMD_KERNEL_CONFIG"
 277               ;;
 278               --module-prefix*)
 279                       CMD_INSTALL_MOD_PATH=`parse_opt "$*"`
 280                       print_info 2 "CMD_INSTALL_MOD_PATH: $CMD_INSTALL_MOD_PATH"
 281               ;;
 282               --cachedir*)
 283                       CACHE_DIR=`parse_opt "$*"`
 284                       print_info 2 "CACHE_DIR: $CACHE_DIR"
 285               ;;
 286               --minkernpackage*)
 287                       CMD_MINKERNPACKAGE=`parse_opt "$*"`
 288                       print_info 2 "MINKERNPACKAGE: $CMD_MINKERNPACKAGE"
 289               ;;
 290               all)
 291                       BUILD_KERNEL=1
 292                       BUILD_INITRD=1
 293               ;;
 294               initrd)
 295                       BUILD_INITRD=1
 296               ;;
 297               kernel)
 298                       BUILD_KERNEL=1
 299               ;;
 300               --help)
 301                       longusage
 302                       exit 1
 303               ;;
 304               --version)
 305                       echo "${GK_V}"
 306                       exit 0
 307               ;;
 308               *)
 309                       echo "Error: Unknown option '$*'!"
 310                       exit 1
 311               ;;
 312         esac
 313 }