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 "        --gensplash             Install gensplash support into bzImage"
  35   echo "        --no-gensplash          Do not use gensplash"
  36   echo "        --install               Install the kernel after building"
  37   echo "        --no-install            Do not install the kernel after building"
  38   echo "        --no-initrdmodules      Don't copy any modules to the initrd"
  39   echo "        --udev                  Enables udev support in your initrd"
  40   echo "        --no-udev               Remove udev support."
  41   echo "        --callback=<...>        Run the specified arguments after"
  42   echo "                                the kernel and modules have been"
  43   echo "                                compiled."
  44   echo "        --postconf=<...>        Run the specified arguments after"
  45   echo "                                the kernel has been configured."
  46   echo "  Kernel settings"
  47   echo "        --kerneldir=<dir>       Location of the kernel sources"
  48   echo "        --kernel-config=<file>  Kernel configuration file to use for compilation"
  49   echo "        --module-prefix=<dir>   Prefix to kernel module destination, modules will"
  50   echo "                                be installed in <prefix>/lib/modules"
  51   echo "  Low-Level Compile settings"
  52   echo "        --kernel-cc=<compiler>  Compiler to use for kernel (e.g. distcc)"
  53   echo "        --kernel-as=<assembler> Assembler to use for kernel"
  54   echo "        --kernel-ld=<linker>    Linker to use for kernel"
  55   echo "        --kernel-make=<makeprg> GNU Make to use for kernel"
  56   echo "        --utils-cc=<compiler>   Compiler to use for utilities"
  57   echo "        --utils-as=<assembler>  Assembler to use for utils"
  58   echo "        --utils-ld=<linker>     Linker to use for utils"
  59   echo "        --utils-make=<makeprog> GNU Make to use for utils"
  60   echo "        --makeopts=<makeopts>   Make options such as -j2, etc."
  61   echo "        --mountboot             Mount /boot automatically"
  62   echo "        --no-mountboot          Don't mount /boot automatically"
  63   echo "  Initialization"
  64   echo "        --bootsplash=<theme>    Force bootsplash using <theme>."
  65   echo "        --gensplash=<theme>     Force gensplash using <theme>."
  66   echo "        --do-keymap-auto        Forces keymap selection at boot."
  67   echo "        --no-lvm2               Don't add in LVM2 support."
  68   echo "        --bootloader=grub       Add new kernel to GRUB configuration"
  69   echo "  Internals"
  70   echo "        --arch-override=<arch>  Force to arch instead of autodetect"
  71   echo "        --cachedir=<dir>        Override the default cache location"
  72   echo "        --tempdir=<dir>         Location of Genkernel's temporary directory"
  73   echo "  Output Settings"
  74   echo "        --minkernpackage=<tbz2> File to output a .tar.bz2'd kernel and initrd:"
  75   echo "                                No modules outside of the initrd will be"
  76   echo "                                included..."
  77 }
  78
  79 usage() {
  80   echo "Gentoo Linux Genkernel ${GK_V}"
  81   echo "Usage: "
  82   echo "        genkernel [options] all"
  83   echo
  84   echo 'Some useful options:'
  85   echo '        --menuconfig            Run menuconfig after oldconfig'
  86   echo '        --no-clean              Do not run make clean before compilation'
  87   echo '        --no-mrproper           Do not run make mrproper before compilation,'
  88   echo '                                this is implied by --no-clean.'
  89   echo
  90   echo 'For a detailed list of supported options and flags; issue:'
  91   echo '        genkernel --help'
  92 }
  93
  94 parse_opt() {
  95         case "$1" in
  96                 *\=*)
  97                         echo "$1" | cut -f2- -d=
  98                 ;;
  99         esac
 100 }
 101
 102 parse_cmdline() {
 103         case "$*" in
 104               --kernel-cc*)
 105                       CMD_KERNEL_CC=`parse_opt "$*"`
 106                       print_info 2 "CMD_KERNEL_CC: $CMD_KERNEL_CC"
 107               ;;
 108               --kernel-ld*)
 109                       CMD_KERNEL_LD=`parse_opt "$*"`
 110                       print_info 2 "CMD_KERNEL_LD: $CMD_KERNEL_LD"
 111               ;;
 112               --kernel-as*)
 113                       CMD_KERNEL_AS=`parse_opt "$*"`
 114                       print_info 2 "CMD_KERNEL_AS: $CMD_KERNEL_AS"
 115               ;;
 116               --kernel-make*)
 117                       CMD_KERNEL_MAKE=`parse_opt "$*"`
 118                       print_info 2 "CMD_KERNEL_MAKE: $CMD_KERNEL_MAKE"
 119               ;;
 120               --utils-cc*)
 121                       CMD_UTILS_CC=`parse_opt "$*"`
 122                       print_info 2 "CMD_UTILS_CC: $CMD_UTILS_CC"
 123               ;;
 124               --utils-ld*)
 125                       CMD_UTILS_LD=`parse_opt "$*"`
 126                       print_info 2 "CMD_UTILS_LD: $CMD_UTILS_LD"
 127               ;;
 128               --utils-as*)
 129                       CMD_UTILS_AS=`parse_opt "$*"`
 130                       print_info 2 "CMD_UTILS_AS: $CMD_UTILS_AS"
 131               ;;
 132               --utils-make*)
 133                       CMD_UTILS_MAKE=`parse_opt "$*"`
 134                       print_info 2 "CMD_UTILS_MAKE: $CMD_UTILS_MAKE"
 135               ;;
 136               --makeopts*)
 137                       CMD_MAKEOPTS=`parse_opt "$*"`
 138                       print_info 2 "CMD_MAKEOPTS: $CMD_MAKEOPTS"
 139               ;;
 140               --mountboot)
 141                       CMD_MOUNTBOOT=1
 142                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 143               ;;
 144               --no-mountboot)
 145                       CMD_MOUNTBOOT=0
 146                       print_info 2 "CMD_MOUNTBOOT: $CMD_MOUNTBOOT"
 147               ;;
 148               --do-keymap-auto)
 149                       CMD_DOKEYMAPAUTO=1
 150                       print_info 2 "CMD_DOKEYMAPAUTO: $CMD_DOKEYMAPAUTO"
 151               ;;
 152               --no-lvm2)
 153                       CMD_NOLVM2=1
 154                       print_info 2 'CMD_NOLVM2: 1'
 155               ;;
 156               --bootloader*)
 157                       CMD_BOOTLOADER=`parse_opt "$*"`
 158                       print_info 2 "CMD_BOOTLOADER: $CMD_BOOTLOADER"
 159               ;;
 160               --debuglevel*)
 161                       CMD_DEBUGLEVEL=`parse_opt "$*"`
 162                       DEBUGLEVEL="${CMD_DEBUGLEVEL}"
 163                       print_info 2 "CMD_DEBUGLEVEL: $CMD_DEBUGLEVEL"
 164               ;;
 165               --menuconfig)
 166                       TERM_LINES=`stty -a | head -n 1 | cut -d\  -f5 | cut -d\; -f1`
 167                       TERM_COLUMNS=`stty -a | head -n 1 | cut -d\  -f7 | cut -d\; -f1`
 168
 169                       if [[ TERM_LINES -lt 19 || TERM_COLUMNS -lt 80 ]]
 170                       then
 171                               echo "Error: You need a terminal with at least 80 columns"
 172                               echo "       and 19 lines for --menuconfig; try --nomenuconfig..."
 173                               exit 1
 174                       fi
 175                       CMD_MENUCONFIG=1
 176                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 177               ;;
 178               --no-menuconfig)
 179                       CMD_MENUCONFIG=0
 180                       print_info 2 "CMD_MENUCONFIG: $CMD_MENUCONFIG"
 181               ;;
 182               --gconfig)
 183                       CMD_GCONFIG=1
 184                       print_info 2 "CMD_GCONFIG: $CMD_GCONFIG"
 185               ;;
 186               --xconfig)
 187                       CMD_XCONFIG=1
 188                       print_info 2 "CMD_XCONFIG: $CMD_XCONFIG"
 189               ;;
 190               --save-config)
 191                       CMD_SAVE_CONFIG=1
 192                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 193               ;;
 194               --no-save-config)
 195                       CMD_SAVE_CONFIG=0
 196                       print_info 2 "CMD_SAVE_CONFIG: $CMD_SAVE_CONFIG"
 197               ;;
 198               --mrproper)
 199                       CMD_MRPROPER=1
 200                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 201               ;;
 202               --no-mrproper)
 203                       CMD_MRPROPER=0
 204                       print_info 2 "CMD_MRPROPER: $CMD_MRPROPER"
 205               ;;
 206               --clean)
 207                       CMD_CLEAN=1
 208                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 209               ;;
 210               --no-clean)
 211                       CMD_CLEAN=0
 212                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 213               ;;
 214               --oldconfig)
 215                       CMD_CLEAN=0
 216                       CMD_OLDCONFIG=1
 217                       print_info 2 "CMD_CLEAN: $CMD_CLEAN"
 218                       print_info 2 "CMD_OLDCONFIG: $CMD_OLDCONFIG"
 219               ;;
 220               --bootsplash=*)
 221                       CMD_BOOTSPLASH=1
 222                       CMD_GENSPLASH=0
 223                       BOOTSPLASH_THEME=`parse_opt "$*"`
 224                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 225                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 226                       print_info 2 "BOOTSPLASH_THEME: $BOOTSPLASH_THEME"
 227               ;;
 228               --bootsplash)
 229                       CMD_BOOTSPLASH=1
 230                       CMD_GENSPLASH=0
 231                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 232                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 233               ;;
 234               --no-bootsplash)
 235                       CMD_BOOTSPLASH=0
 236                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 237               ;;
 238               --gensplash=*)
 239                       CMD_GENSPLASH=1
 240                       CMD_BOOTSPLASH=0
 241                       GENSPLASH_THEME=`parse_opt "$*"`
 242                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 243                       print_info 2 "GENSPLASH_THEME: $GENSPLASH_THEME"
 244                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 245               ;;
 246               --gensplash)
 247                       CMD_GENSPLASH=1
 248                       CMD_BOOTSPLASH=0
 249                       GENSPLASH_THEME='default'
 250                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 251                       print_info 2 "CMD_BOOTSPLASH: $CMD_BOOTSPLASH"
 252               ;;
 253               --no-gensplash)
 254                       CMD_GENSPLASH=0
 255                       print_info 2 "CMD_GENSPLASH: $CMD_GENSPLASH"
 256               ;;
 257               --install)
 258                       CMD_NOINSTALL=0
 259                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 260               ;;
 261               --no-install)
 262                       CMD_NOINSTALL=1
 263                       print_info 2 "CMD_NOINSTALL: $CMD_NOINSTALL"
 264               ;;
 265               --no-initrdmodules)
 266                       CMD_NOINITRDMODULES=1
 267                       print_info 2 "CMD_NOINITRDMODULES: $CMD_NOINITRDMODULES"
 268               ;;
 269               --udev)
 270                       CMD_UDEV=1
 271                       print_info 2 "CMD_UDEV: $CMD_UDEV"
 272               ;;
 273               --no-udev)
 274                       CMD_UDEV=0
 275                       print_info 2 "CMD_UDEV: $CMD_UDEV"
 276               ;;
 277               --callback*)
 278                       CMD_CALLBACK=`parse_opt "$*"`
 279                       print_info 2 "CMD_CALLBACK: $CMD_CALLBACK/$*"
 280               ;;
 281               --postconf*)
 282                       CMD_POSTCONF=`parse_opt "$*"`
 283                       print_info 2 "CMD_POSTCONF: $CMD_POSTCONF/$*"
 284               ;;
 285               --tempdir*)
 286                 TEMP=`parse_opt "$*"`
 287                 print_info 2 "TEMP: $TEMP"
 288               ;;
 289               --arch-override*)
 290                       CMD_ARCHOVERRIDE=`parse_opt "$*"`
 291                       print_info 2 "CMD_ARCHOVERRIDE: $CMD_ARCHOVERRIDE"
 292               ;;
 293               --color)
 294                       CMD_USECOLOR=1
 295                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 296               ;;
 297               --no-color)
 298                       CMD_USECOLOR=0
 299                       print_info 2 "CMD_USECOLOR: $CMD_USECOLOR"
 300               ;;
 301               --debugfile*)
 302                       CMD_DEBUGFILE=`parse_opt "$*"`
 303                       DEBUGFILE=`parse_opt "$*"`
 304                       print_info 2 "CMD_DEBUGFILE: $CMD_DEBUGFILE"
 305                       print_info 2 "DEBUGFILE: $CMD_DEBUGFILE"
 306               ;;
 307               --kerneldir*)
 308                       CMD_KERNELDIR=`parse_opt "$*"`
 309                       print_info 2 "CMD_KERNELDIR: $CMD_KERNELDIR"
 310               ;;
 311               --kernel-config*)
 312                       CMD_KERNEL_CONFIG=`parse_opt "$*"`
 313                       print_info 2 "CMD_KERNEL_CONFIG: $CMD_KERNEL_CONFIG"
 314               ;;
 315               --module-prefix*)
 316                       CMD_INSTALL_MOD_PATH=`parse_opt "$*"`
 317                       print_info 2 "CMD_INSTALL_MOD_PATH: $CMD_INSTALL_MOD_PATH"
 318               ;;
 319               --cachedir*)
 320                       CACHE_DIR=`parse_opt "$*"`
 321                       print_info 2 "CACHE_DIR: $CACHE_DIR"
 322               ;;
 323               --minkernpackage*)
 324                       CMD_MINKERNPACKAGE=`parse_opt "$*"`
 325                       print_info 2 "MINKERNPACKAGE: $CMD_MINKERNPACKAGE"
 326               ;;
 327               all)
 328                       BUILD_KERNEL=1
 329                       BUILD_INITRD=1
 330               ;;
 331               initrd)
 332                       BUILD_INITRD=1
 333               ;;
 334               kernel)
 335                       BUILD_KERNEL=1
 336               ;;
 337               --help)
 338                       longusage
 339                       exit 1
 340               ;;
 341               --version)
 342                       echo "${GK_V}"
 343                       exit 0
 344               ;;
 345               *)
 346                       echo "Error: Unknown option '$*'!"
 347                       exit 1
 348               ;;
 349         esac
 350 }