scripts/kmodtool

   1 #!/usr/bin/env bash
   2 # shellcheck disable=SC2086
   3
   4 # kmodtool - Helper script for building kernel module RPMs
   5 # Copyright (c) 2003-2012 Ville Skyttä <ville.skytta@iki.fi>,
   6 #                         Thorsten Leemhuis <fedora@leemhuis.info>
   7 #                         Nicolas Chauvet <kwizart@gmail.com>
   8 #
   9 # Permission is hereby granted, free of charge, to any person obtaining
  10 # a copy of this software and associated documentation files (the
  11 # "Software"), to deal in the Software without restriction, including
  12 # without limitation the rights to use, copy, modify, merge, publish,
  13 # distribute, sublicense, and/or sell copies of the Software, and to
  14 # permit persons to whom the Software is furnished to do so, subject to
  15 # the following conditions:
  16 #
  17 # The above copyright notice and this permission notice shall be
  18 # included in all copies or substantial portions of the Software.
  19 #
  20 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27
  28 shopt -s extglob
  29
  30 myprog="kmodtool-${repo}"
  31 myver="0.12.1"
  32
  33 kmodname=
  34 build_kernels="current"
  35 kernels_known_variants=
  36 kernel_versions=
  37 kernel_versions_to_build_for=
  38 prefix=
  39 filterfile=
  40 target=
  41 buildroot=
  42 dashvariant=
  43
  44 error_out()
  45 {
  46         local errorlevel=${1}
  47         shift
  48         echo "Error: $*" >&2
  49         # the next line is not multi-line safe -- not needed *yet*
  50         echo "%global kmodtool_check echo \"kmodtool error: $*\"; exit ${errorlevel};"
  51         exit "${errorlevel}"
  52 }
  53
  54 print_rpmtemplate_header()
  55 {
  56         echo
  57         echo '%global kmodinstdir_prefix  '${prefix}/lib/modules/
  58         echo '%global kmodinstdir_postfix '/extra/${kmodname}/
  59         echo '%global kernel_versions     '${kernel_versions}
  60         echo
  61 }
  62
  63 print_akmodtemplate ()
  64 {
  65         echo
  66         cat <<EOF
  67
  68 %global akmod_install mkdir -p \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/; \\\
  69 LANG=C rpmbuild --define "_sourcedir %{_sourcedir}" \\\
  70 --define "_srcrpmdir \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/" \\\
  71 -bs --nodeps %{_specdir}/%{name}.spec ; \\\
  72 ln -s \$(ls \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/) \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/${kmodname}-kmod.latest
  73
  74 %package -n akmod-${kmodname}
  75 Summary:        Akmod package for ${kmodname} kernel module(s)
  76 Group:          System Environment/Kernel
  77 Requires:   kmodtool
  78 Requires:       akmods
  79 %{?AkmodsBuildRequires:Requires: %{AkmodsBuildRequires}}
  80 # same requires and provides as a kmods package would have
  81 Requires:       ${kmodname}-kmod-common >= %{?epoch:%{epoch}:}%{version}
  82 Provides:       ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
  83 EOF
  84
  85         if [[ ${obsolete_name} ]]; then
  86                 echo "Provides:   akmod-${obsolete_name} = ${obsolete_version}"
  87                 echo "Obsoletes:  akmod-${obsolete_name} < ${obsolete_version}"
  88         fi
  89
  90         cat <<EOF
  91
  92 %description -n akmod-${kmodname}
  93 This package provides the akmod package for the ${kmodname} kernel modules.
  94
  95 %posttrans -n akmod-${kmodname}
  96 nohup ${prefix}/sbin/akmods --from-akmod-posttrans --akmod ${kmodname} &> /dev/null &
  97
  98 %files -n akmod-${kmodname}
  99 %defattr(-,root,root,-)
 100 %{_usrsrc}/akmods/*
 101
 102 EOF
 103 }
 104
 105 print_akmodmeta ()
 106 {
 107                 cat <<EOF
 108 %package      -n kmod-${kmodname}
 109 Summary:         Metapackage which tracks in ${kmodname} kernel module for newest kernel${dashvariant}
 110 Group:           System Environment/Kernel
 111
 112 Provides:        ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
 113 Provides:        kmod-${kmodname}-xen = %{?epoch:%{epoch}:}%{version}-%{release}
 114 Provides:        kmod-${kmodname}-smp = %{?epoch:%{epoch}:}%{version}-%{release}
 115 Provides:        kmod-${kmodname}-PAE = %{?epoch:%{epoch}:}%{version}-%{release}
 116 Requires:        akmod-${kmodname} = %{?epoch:%{epoch}:}%{version}-%{release}
 117 EOF
 118
 119         if [[ ${obsolete_name} ]]; then
 120                 echo "Provides:        kmod-${obsolete_name} = ${obsolete_version}"
 121                 echo "Obsoletes:       kmod-${obsolete_name} < ${obsolete_version}"
 122         fi
 123 cat <<EOF
 124
 125 %description  -n kmod-${kmodname}${dashvariant}
 126 This is a meta-package without payload which sole purpose is to require the
 127 ${kmodname} kernel module(s) for the newest kernel${dashvariant},
 128 to make sure you get it together with a new kernel.
 129
 130 %files        -n kmod-${kmodname}${dashvariant}
 131 %defattr(644,root,root,755)
 132 EOF
 133 }
 134
 135 print_rpmtemplate_per_kmodpkg ()
 136 {
 137         if [[ "${1}" == "--custom" ]]; then
 138                 shift
 139                 local customkernel=true
 140         elif [[ "${1}" == "--redhat" ]]; then
 141                 # this is needed for akmods
 142                 shift
 143                 local redhatkernel=true
 144         fi
 145
 146         local kernel_uname_r=${1}
 147         local kernel_variant="${2:+-${2}}"
 148
 149         # Detect depmod install location
 150         local depmod_path=/sbin/depmod
 151         if [ ! -f ${depmod_path} ]; then
 152                 depmod_path=/usr/sbin/depmod
 153         fi
 154
 155         # first part
 156         cat <<EOF
 157 %package       -n kmod-${kmodname}-${kernel_uname_r}
 158 Summary:          ${kmodname} kernel module(s) for ${kernel_uname_r}
 159 Group:            System Environment/Kernel
 160 Provides:         kernel-modules-for-kernel = ${kernel_uname_r}
 161 Provides:         kmod-${kmodname}-uname-r = ${kernel_uname_r}
 162 Provides:         ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
 163 Requires:         ${kmodname}-kmod-common >= %{?epoch:%{epoch}:}%{version}
 164
 165 %if 0%{?rhel} == 6 || 0%{?centos} == 6
 166 Requires(post):   module-init-tools
 167 Requires(postun): module-init-tools
 168 %else
 169 Requires(post):   kmod
 170 Requires(postun): kmod
 171 %endif
 172 EOF
 173
 174         if [[ ${obsolete_name} ]]; then
 175                 echo "Provides:        kmod-${obsolete_name}-${kernel_uname_r} = ${obsolete_version}"
 176                 echo "Obsoletes:       kmod-${obsolete_name}-${kernel_uname_r} < ${obsolete_version}"
 177         fi
 178
 179         # second part
 180         if [[ ! "${customkernel}" ]]; then
 181              cat <<EOF
 182 Requires:         kernel-uname-r = ${kernel_uname_r}
 183 BuildRequires:    kernel-devel-uname-r = ${kernel_uname_r}
 184 %{?KmodsRequires:Requires: %{KmodsRequires}-uname-r = ${kernel_uname_r}}
 185 %{?KmodsRequires:BuildRequires: %{KmodsRequires}-uname-r = ${kernel_uname_r}}
 186 %post          -n kmod-${kmodname}-${kernel_uname_r}
 187 if [[ -f "/boot/System.map-${kernel_uname_r}" ]]; then
 188         ${prefix}${depmod_path} -aeF /boot/System.map-${kernel_uname_r} ${kernel_uname_r} > /dev/null || :
 189 elif [[ -f "/lib/modules/${kernel_uname_r}/System.map" ]]; then
 190         ${prefix}${depmod_path} -aeF /lib/modules/${kernel_uname_r}/System.map ${kernel_uname_r} > /dev/null || :
 191 else
 192         ${prefix}${depmod_path} -ae ${kernel_uname_r} &> /dev/null || :
 193 fi
 194 %postun        -n kmod-${kmodname}-${kernel_uname_r}
 195 if [[ -f "/boot/System.map-${kernel_uname_r}" ]]; then
 196         ${prefix}${depmod_path} -aF /boot/System.map-${kernel_uname_r} ${kernel_uname_r} &> /dev/null || :
 197 elif [[ -f "/lib/modules/${kernel_uname_r}/System.map" ]]; then
 198         ${prefix}${depmod_path} -aF /lib/modules/${kernel_uname_r}/System.map ${kernel_uname_r} &> /dev/null || :
 199 else
 200         ${prefix}${depmod_path} -a ${kernel_uname_r} &> /dev/null || :
 201 fi
 202
 203 EOF
 204         else
 205           cat <<EOF
 206 %post          -n kmod-${kmodname}-${kernel_uname_r}
 207 [[ "\$(uname -r)" == "${kernel_uname_r}"  ]] && ${prefix}${depmod_path} -a > /dev/null || :
 208 %postun        -n kmod-${kmodname}-${kernel_uname_r}
 209 [[ "\$(uname -r)" == "${kernel_uname_r}"  ]] && ${prefix}${depmod_path} -a > /dev/null || :
 210
 211 EOF
 212         fi
 213
 214   # third part
 215         cat <<EOF
 216 %description  -n kmod-${kmodname}-${kernel_uname_r}
 217 This package provides the ${kmodname} kernel modules built for the Linux
 218 kernel ${kernel_uname_r} for the %{_target_cpu} family of processors.
 219 %files        -n kmod-${kmodname}-${kernel_uname_r}
 220 %defattr(644,root,root,755)
 221 %dir $prefix/lib/modules/${kernel_uname_r}/extra
 222 ${prefix}/lib/modules/${kernel_uname_r}/extra/${kmodname}/
 223
 224
 225 EOF
 226 }
 227
 228 print_rpmtemplate_kmoddevelpkg ()
 229 {
 230         if [[ "${1}" == "--custom" ]]; then
 231                 shift
 232                 local customkernel=true
 233         elif [[ "${1}" == "--redhat" ]]; then
 234                 shift
 235                 local redhatkernel=true
 236         fi
 237
 238         local kernel_uname_r=${1}
 239
 240         cat <<EOF
 241 %package       -n kmod-${kmodname}-devel
 242 Summary:          ${kmodname} kernel module(s) devel common
 243 Group:            System Environment/Kernel
 244 Provides:         ${kmodname}-devel-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
 245 EOF
 246
 247         if [[ ! ${customkernel} ]] && [[ ! ${redhatkernel} ]]; then
 248                 echo "Requires:        kmod-${kmodname}-devel-${kernel_uname_r} >= %{?epoch:%{epoch}:}%{version}-%{release}"
 249         fi
 250
 251         if [[ ${obsolete_name} ]]; then
 252                 echo "Provides:        kmod-${obsolete_name}-devel = ${obsolete_version}"
 253                 echo "Obsoletes:       kmod-${obsolete_name}-devel < ${obsolete_version}"
 254         fi
 255
 256         cat <<EOF
 257 %description  -n kmod-${kmodname}-devel
 258 This package provides the common header files to build kernel modules
 259 which depend on the ${kmodname} kernel module.  It may optionally require
 260 the ${kmodname}-devel-<kernel> objects for the newest kernel.
 261
 262 %files        -n kmod-${kmodname}-devel
 263 %defattr(644,root,root,755)
 264 %{_usrsrc}/${kmodname}-%{version}
 265 EOF
 266         if [[ ${obsolete_name} ]]; then
 267                 echo "%{_usrsrc}/${obsolete_name}-%{version}"
 268         fi
 269
 270         for kernel in ${1}; do
 271                 local kernel_uname_r=${kernel}
 272                 echo "%exclude %{_usrsrc}/${kmodname}-%{version}/${kernel_uname_r}"
 273                 if [[ ${obsolete_name} ]]; then
 274                         echo "%exclude %{_usrsrc}/${obsolete_name}-%{version}/${kernel_uname_r}"
 275                 fi
 276         done
 277
 278         echo
 279         echo
 280 }
 281
 282 print_rpmtemplate_per_kmoddevelpkg ()
 283 {
 284         if [[ "${1}" == "--custom" ]]; then
 285                 shift
 286                 local customkernel=true
 287         elif [[ "${1}" == "--redhat" ]]; then
 288                 # this is needed for akmods
 289                 shift
 290                 local redhatkernel=true
 291         fi
 292
 293         local kernel_uname_r=${1}
 294         local kernel_variant="${2:+-${2}}"
 295
 296         # first part
 297         cat <<EOF
 298 %package       -n kmod-${kmodname}-devel-${kernel_uname_r}
 299 Summary:          ${kmodname} kernel module(s) devel for ${kernel_uname_r}
 300 Group:            System Environment/Kernel
 301 Provides:         kernel-objects-for-kernel = ${kernel_uname_r}
 302 Provides:         ${kmodname}-devel-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
 303 Provides:         kmod-${kmodname}-devel-uname-r = ${kernel_uname_r}
 304 EOF
 305
 306         if [[ ${obsolete_name} ]]; then
 307                 echo "Provides:        kmod-${obsolete_name}-devel-${kernel_uname_r} = ${obsolete_version}"
 308                 echo "Obsoletes:       kmod-${obsolete_name}-devel-${kernel_uname_r} < ${obsolete_version}"
 309         fi
 310
 311         # second part
 312         if [[ ! "${customkernel}" ]]; then
 313                 cat <<EOF
 314 Requires:         kernel-devel-uname-r = ${kernel_uname_r}
 315 BuildRequires:    kernel-devel-uname-r = ${kernel_uname_r}
 316 %{?KmodsDevelRequires:Requires: %{KmodsDevelRequires}-uname-r = ${kernel_uname_r}}
 317 %{?KmodsDevelRequires:BuildRequires: %{KmodsDevelRequires}-uname-r = ${kernel_uname_r}}
 318 EOF
 319         fi
 320
 321         # third part
 322         cat <<EOF
 323 %description  -n kmod-${kmodname}-devel-${kernel_uname_r}
 324 This package provides objects and symbols required to build kernel modules
 325 which depend on the ${kmodname} kernel modules built for the Linux
 326 kernel ${kernel_uname_r} for the %{_target_cpu} family of processors.
 327 %files        -n kmod-${kmodname}-devel-${kernel_uname_r}
 328 %defattr(644,root,root,755)
 329 %{_usrsrc}/${kmodname}-%{version}/${kernel_uname_r}
 330 EOF
 331         if [[ ${obsolete_name} ]]; then
 332                 echo "%{_usrsrc}/${obsolete_name}-%{version}/${kernel_uname_r}"
 333         fi
 334 }
 335
 336 print_rpmtemplate_kmodmetapkg ()
 337 {
 338                 local kernel_uname_r=${1}
 339                 local kernel_variant="${2:+-${2}}"
 340
 341                 cat <<EOF
 342 %package      -n kmod-${kmodname}${kernel_variant}
 343 Summary:         Metapackage which tracks in ${kmodname} kernel module for newest kernel${kernel_variant}
 344 Group:           System Environment/Kernel
 345
 346 Provides:        ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
 347 Requires:        kmod-${kmodname}-${kernel_uname_r} >= %{?epoch:%{epoch}:}%{version}-%{release}
 348 %{?KmodsMetaRequires:Requires: %{?KmodsMetaRequires}}
 349 EOF
 350
 351                 if [[ ${obsolete_name} ]]; then
 352                         echo "Provides:        kmod-${obsolete_name}${kernel_variant} = ${obsolete_version}"
 353                         echo "Obsoletes:       kmod-${obsolete_name}${kernel_variant} < ${obsolete_version}"
 354                 fi
 355
 356                 cat <<EOF
 357
 358 %description  -n kmod-${kmodname}${kernel_variant}
 359 This is a meta-package without payload which sole purpose is to require the
 360 ${kmodname} kernel module(s) for the newest kernel${kernel_variant}.
 361 to make sure you get it together with a new kernel.
 362
 363 %files        -n kmod-${kmodname}${kernel_variant}
 364 %defattr(644,root,root,755)
 365
 366
 367 EOF
 368 }
 369
 370 print_customrpmtemplate ()
 371 {
 372         for kernel in ${1}
 373         do
 374                 if [[ -e "${buildroot}/usr/src/kernels/${kernel}" ]] ; then
 375                         # this looks like a Fedora/RH kernel -- print a normal template (which includes the proper BR) and be happy :)
 376                         kernel_versions="${kernel_versions}${kernel}___${buildroot}%{_usrsrc}/kernels/${kernel} "
 377
 378                         # parse kernel versions string and print template
 379                         local kernel_verrelarch=${kernel%%${kernels_known_variants}}
 380                         print_rpmtemplate_per_kmodpkg --redhat ${kernel} ${kernel##${kernel_verrelarch}}
 381
 382                         # create development package
 383                         if [[ "${devel}" ]]; then
 384                                 # create devel package including common headers
 385                                 print_rpmtemplate_kmoddevelpkg --redhat ${kernel} ${kernel##${kernel_verrelarch}}
 386
 387                                 # create devel package
 388                                 print_rpmtemplate_per_kmoddevelpkg --redhat ${kernel} ${kernel##${kernel_verrelarch}}
 389                         fi
 390                 elif [[ -e ${prefix}/lib/modules/"${kernel}"/build/Makefile ]] ; then
 391                         # likely a user-build-kernel with available buildfiles
 392                         # fixme: we should check if uname from Makefile is the same as ${kernel}
 393
 394                         kernel_versions="${kernel_versions}${kernel}___${prefix}/lib/modules/${kernel}/build/ "
 395                         print_rpmtemplate_per_kmodpkg --custom "${kernel}"
 396
 397                         # create development package
 398                         if [[ "${devel}" ]]; then
 399                                 # create devel package including common headers
 400                                 print_rpmtemplate_kmoddevelpkg --custom "${kernel}"
 401
 402                                 # create devel package
 403                                 print_rpmtemplate_per_kmoddevelpkg --custom "${kernel}"
 404                         fi
 405                 else
 406                         error_out 2 "Don't know how to handle ${kernel} -- ${prefix}/lib/modules/${kernel}/build/Makefile not found"
 407                 fi
 408         done
 409
 410         # well, it's no header anymore, but who cares ;-)
 411         print_rpmtemplate_header
 412 }
 413
 414
 415 print_rpmtemplate ()
 416 {
 417         # create kernel_versions var
 418         for kernel_version in ${kernel_versions_to_build_for}
 419         do
 420                 kernel_versions="${kernel_versions}${kernel_version}___%{_usrsrc}/kernels/${kernel_version} "
 421         done
 422
 423         # and print it and some other required stuff as macro
 424         print_rpmtemplate_header
 425
 426         # now print the packages
 427         for kernel in ${kernel_versions_to_build_for} ; do
 428
 429                 local kernel_verrelarch=${kernel%%${kernels_known_variants}}
 430
 431                 # create metapackage
 432                 print_rpmtemplate_kmodmetapkg ${kernel} ${kernel##${kernel_verrelarch}}
 433
 434                 # create package
 435                 print_rpmtemplate_per_kmodpkg ${kernel} ${kernel##${kernel_verrelarch}}
 436
 437                 if [[ "${devel}" ]]; then
 438                         # create devel package including common headers
 439                         print_rpmtemplate_kmoddevelpkg ${kernel} ${kernel##${kernel_verrelarch}}
 440
 441                         # create devel package
 442                         print_rpmtemplate_per_kmoddevelpkg ${kernel} ${kernel##${kernel_verrelarch}}
 443                 fi
 444         done
 445 }
 446
 447 myprog_help ()
 448 {
 449         echo "Usage: ${0##*/} [OPTIONS]"
 450         echo $'\n'"Creates a template to be used during kmod building"
 451         echo $'\n'"Available options:"
 452         echo " --filterfile <file>  -- filter the results with grep --file <file>"
 453         echo " --for-kernels <list> -- created templates only for these kernels"
 454         echo " --kmodname <file>    -- name of the kmod (required)"
 455         echo " --devel              -- make kmod-devel package"
 456         echo " --noakmod            -- no akmod package"
 457         echo " --repo <name>        -- use buildsys-build-<name>-kerneldevpkgs"
 458         echo " --target <arch>      -- target-arch (required)"
 459         echo " --buildroot <dir>    -- Build root (place to look for build files)"
 460 }
 461
 462 while [ "${1}" ] ; do
 463         case "${1}" in
 464                 --filterfile)
 465                         shift
 466                         if [[ ! "${1}" ]] ; then
 467                                 error_out 2 "Please provide path to a filter-file together with --filterfile" >&2
 468                         elif [[ ! -e "${1}" ]]; then
 469                                 error_out 2 "Filterfile ${1} not found" >&2
 470                         fi
 471                         filterfile="${1}"
 472                         shift
 473                         ;;
 474                 --kmodname)
 475                         shift
 476                         if [[ ! "${1}" ]] ; then
 477                                 error_out 2 "Please provide the name of the kmod together with --kmodname" >&2
 478                     fi
 479                         # strip pending -kmod
 480                         kmodname="${1%%-kmod}"
 481                         shift
 482                         ;;
 483                 --devel)
 484                         shift
 485                         devel="true"
 486                         ;;
 487                 --prefix)
 488                         shift
 489                         if [[ ! "${1}" ]] ; then
 490                                 error_out 2 "Please provide a prefix with --prefix" >&2
 491                     fi
 492                         prefix="${1}"
 493                         shift
 494                         ;;
 495                 --repo)
 496                         shift
 497                         if [[ ! "${1}" ]] ; then
 498                                 error_out 2 "Please provide the name of the repo together with --repo" >&2
 499                     fi
 500                         repo=${1}
 501                         shift
 502                         ;;
 503                 --for-kernels)
 504                         shift
 505                         if [[ ! "${1}" ]] ; then
 506                                 error_out 2 "Please provide the name of the kmod together with --kmodname" >&2
 507                         fi
 508                         for_kernels="${1}"
 509                         shift
 510                         ;;
 511                 --noakmod)
 512                         shift
 513                         noakmod="true"
 514                         ;;
 515                 --obsolete-name)
 516                         shift
 517                         if [[ ! "${1}" ]] ; then
 518                                 error_out 2 "Please provide the name of the kmod to obsolete together with --obsolete-name" >&2
 519                         fi
 520                         obsolete_name="${1}"
 521                         shift
 522                         ;;
 523                 --obsolete-version)
 524                         shift
 525                         if [[ ! "${1}" ]] ; then
 526                                 error_out 2 "Please provide the version of the kmod to obsolete together with --obsolete-version" >&2
 527                         fi
 528                         obsolete_version="${1}"
 529                         shift
 530                         ;;
 531                 --target)
 532                         shift
 533                         target="${1}"
 534                         shift
 535                         ;;
 536                 --akmod)
 537                         shift
 538                         build_kernels="akmod"
 539                         ;;
 540                 --newest)
 541                         shift
 542                         build_kernels="newest"
 543                         ;;
 544                 --current)
 545                         shift
 546                         build_kernels="current"
 547                         ;;
 548                 --buildroot)
 549                         shift
 550                         buildroot="${1}"
 551                         shift
 552                         ;;
 553                 --help)
 554                         myprog_help
 555                         exit 0
 556                         ;;
 557                 --version)
 558                         echo "${myprog} ${myver}"
 559                         exit 0
 560                         ;;
 561                 *)
 562                         echo "Error: Unknown option '${1}'." >&2
 563                         usage >&2
 564                         exit 2
 565                         ;;
 566         esac
 567 done
 568
 569 if [[ -e ./kmodtool-kernel-variants ]]; then
 570         kernels_known_variants="$(cat ./kmodtool-kernel-variants)"
 571 elif [[ -e /usr/share/kmodtool/kernel-variants ]] ; then
 572         kernels_known_variants="$(cat /usr/share/kmodtool/kernel-variants)"
 573 else
 574         kernels_known_variants="@(smp?(-debug)|PAE?(-debug)|debug|kdump|xen|kirkwood|highbank|imx|omap|tegra)"
 575 fi
 576
 577 # general sanity checks
 578 if [[ ! "${target}" ]]; then
 579                 error_out 2 "please pass target arch with --target"
 580 elif [[ ! "${kmodname}" ]]; then
 581                 error_out 2 "please pass kmodname with --kmodname"
 582 elif [[ ! "${kernels_known_variants}" ]] ; then
 583                 error_out 2 "could not determine known variants"
 584 elif { [[ "${obsolete_name}" ]] && [[ ! "${obsolete_version}" ]]; } ||  { [[ ! "${obsolete_name}" ]] && [[ "${obsolete_version}" ]]; } ; then
 585                 error_out 2 "you need to provide both --obsolete-name and --obsolete-version"
 586 fi
 587
 588 # go
 589 if [[ "${for_kernels}" ]]; then
 590         # this is easy:
 591         print_customrpmtemplate "${for_kernels}"
 592 elif [[ "${build_kernels}" == "akmod" ]]; then
 593         # do only a akmod package
 594         print_akmodtemplate
 595         print_akmodmeta
 596 else
 597         # seems we are on out own to decide for which kernels to build
 598
 599         # we need more sanity checks in this case
 600         if [[ ! "${repo}" ]]; then
 601                 error_out 2 "please provide repo name with --repo"
 602         elif ! command -v "buildsys-build-${repo}-kerneldevpkgs" &> /dev/null ; then
 603                 error_out 2 "buildsys-build-${repo}-kerneldevpkgs not found"
 604         fi
 605
 606         # call buildsys-build-${repo}-kerneldevpkgs to get the list of kernels
 607         cmdoptions="--target ${target}"
 608
 609         # filterfile to filter list of kernels?
 610         if [[ "${filterfile}" ]] ; then
 611                  cmdoptions="${cmdoptions} --filterfile ${filterfile}"
 612         fi
 613
 614         kernel_versions_to_build_for="$(buildsys-build-${repo}-kerneldevpkgs --${build_kernels} ${cmdoptions})"
 615         returncode=$?
 616         if (( returncode != 0 )); then
 617                 error_out 2 "buildsys-build-${repo}-kerneldevpkgs failed: $(buildsys-build-${repo}-kerneldevpkgs --${build_kernels} ${cmdoptions})"
 618         fi
 619
 620         if [[ "${build_kernels}" == "current" ]] && [[ ! "${noakmod}" ]]; then
 621                 print_akmodtemplate
 622         fi
 623
 624         print_rpmtemplate
 625 fi