targets/support/chroot-functions.sh

   1 #!/bin/bash
   2
   3 # Trap these signals and kill ourselves if recieved
   4 # Force ourselves to die if any of these signals are recieved
   5 # most likely our controlling terminal is gone
   6 trap "echo SIGTERM signal recieved killing $0 with pid $$;kill -9 $$" SIGTERM
   7 trap "echo SIGHUP signal recieved killing $0 with pid $$;kill -9 $$" SIGHUP
   8 trap "echo SIGKILL signal recieved killing $0 with pid $$;kill -9 $$" SIGKILL
   9
  10 #SIGINT interrupt character (usually Ctrl-C)
  11 #       * example: high-level sequence of events
  12 #       * my process (call it "P") is running
  13 #       * user types ctrl-c
  14 #       * kernel recognizes this and generates SIGINT signal
  15 trap "echo SIGINT signal recieved killing $0 with pid $$;kill -9 $$" SIGINT
  16
  17 check_genkernel_version(){
  18         if [ -x /usr/bin/genkernel ]
  19         then
  20                 genkernel_version=$(genkernel --version)
  21                 genkernel_version_major=${genkernel_version%%.*}
  22                 genkernel_version_minor_sub=${genkernel_version#${genkernel_version_major}.}
  23                 genkernel_version_minor=${genkernel_version_minor_sub%%.*}
  24                 genkernel_version_sub=${genkernel_version##*.}
  25                 if [ -n "${genkernel_version}" -a "${genkernel_version_major}" -eq '3' -a "${genkernel_version_minor}" -ge '3' ]
  26                 then
  27                         echo "Genkernel version ${genkernel_version} found ... continuing"
  28                 else
  29                         echo "ERROR: Your genkernel version is too low in your seed stage.  genkernel version 3.3.0"
  30                         echo "or greater is required."
  31                         exit 1
  32                 fi
  33         else
  34                 exit 1
  35         fi
  36 }
  37
  38 get_libdir() {
  39         ABI=$(portageq envvar ABI)
  40         DEFAULT_ABI=$(portageq envvar DEFAULT_ABI)
  41         LIBDIR_default=$(portageq envvar LIBDIR_default)
  42
  43         local abi
  44         if [ $# -gt 0 ]
  45         then
  46                 abi=${1}
  47         elif [ -n "${ABI}" ]
  48         then
  49                 abi=${ABI}
  50         elif [ -n "${DEFAULT_ABI}" ]
  51         then
  52                 abi=${DEFAULT_ABI}
  53         else
  54                 abi="default"
  55         fi
  56
  57         local var="LIBDIR_${abi}"
  58         var=$(portageq envvar ${var})
  59         echo ${var}
  60 }
  61
  62 setup_myfeatures(){
  63         setup_myemergeopts
  64         if [ -n "${clst_CCACHE}" ]
  65         then
  66                 export clst_myfeatures="${clst_myfeatures} ccache"
  67                 #if [ "${clst_AUTORESUME}" = "1" -a -e /tmp/.clst_ccache ]
  68                 #then
  69                 #       echo "CCACHE Autoresume point found not emerging ccache"
  70                 #else
  71                         clst_root_path=/ run_emerge --oneshot --nodeps ccache || exit 1
  72                 #       touch /tmp/.clst_ccache
  73                 #fi
  74         fi
  75
  76         if [ -n "${clst_DISTCC}" ]
  77         then
  78                 export clst_myfeatures="${clst_myfeatures} distcc"
  79                 export DISTCC_HOSTS="${clst_distcc_hosts}"
  80                 #if [ "${clst_AUTORESUME}" = "1" -a -e /tmp/.clst_distcc ]
  81                 #then
  82                 #       echo "DISTCC Autoresume point found not emerging distcc"
  83                 #else
  84                         USE="-gtk -gnome" clst_root_path=/ run_emerge --oneshot --nodeps distcc || exit 1
  85                         #touch /tmp/.clst_distcc
  86                 #fi
  87                 mkdir -p /etc/distcc
  88                 echo "${clst_distcc_hosts}" > /etc/distcc/hosts
  89
  90                 # This sets up automatic cross-distcc-fu according to
  91                 # http://www.gentoo.org/doc/en/cross-compiling-distcc.xml
  92                 CHOST=$(portageq envvar CHOST)
  93                 # TODO: change to use get_libdir
  94                 cd /usr/lib/distcc/bin
  95                 rm cc gcc g++ c++ 2>/dev/null
  96                 echo -e '#!/bin/bash\nexec /usr/lib/distcc/bin/'${CHOST}'-g${0:$[-2]} "$@"' > ${CHOST}-wrapper
  97                 chmod a+x /usr/lib/distcc/bin/${CHOST}-wrapper
  98                 for i in cc gcc g++ c++; do ln -s ${CHOST}-wrapper ${i}; done
  99         fi
 100
 101         if [ -n "${clst_ICECREAM}" ]
 102         then
 103                 clst_root_path=/ run_emerge --oneshot --nodeps sys-devel/icecream || exit 1
 104
 105                 # This sets up automatic cross-icecc-fu according to
 106                 # http://gentoo-wiki.com/HOWTO_Setup_An_ICECREAM_Compile_Cluster#Icecream_and_cross-compiling
 107                 CHOST=$(portageq envvar CHOST)
 108                 LIBDIR=$(get_libdir)
 109                 cd /usr/${LIBDIR}/icecc/bin
 110                 rm cc gcc g++ c++ 2>/dev/null
 111                 echo -e '#!/bin/bash\nexec /usr/'${LIBDIR}'/icecc/bin/'${CHOST}'-g${0:$[-2]} "$@"' > ${CHOST}-wrapper
 112                 chmod a+x ${CHOST}-wrapper
 113                 for i in cc gcc g++ c++; do ln -s ${CHOST}-wrapper ${i}; done
 114                 export PATH="/usr/lib/icecc/bin:${PATH}"
 115                 export PREROOTPATH="/usr/lib/icecc/bin"
 116         fi
 117         export FEATURES="${clst_myfeatures}"
 118 }
 119
 120 setup_myemergeopts(){
 121         if [ -n "${clst_VERBOSE}" ]
 122         then
 123                 clst_myemergeopts="--verbose"
 124         else
 125                 clst_myemergeopts="--quiet"
 126         fi
 127         if [ -n "${clst_FETCH}" ]
 128         then
 129                 export bootstrap_opts="-f"
 130                 export clst_myemergeopts="${clst_myemergeopts} -f"
 131         elif [ -n "${clst_PKGCACHE}" ]
 132         then
 133                 export clst_myemergeopts="${clst_myemergeopts} --usepkg --buildpkg --newuse"
 134                 export bootstrap_opts="-r"
 135         fi
 136 }
 137
 138 setup_portage(){
 139         # portage needs to be merged manually with USE="build" set to avoid frying
 140         # our make.conf. emerge system could merge it otherwise.
 141 #       if [ "${clst_AUTORESUME}" = "1" -a -e /tmp/.clst_portage ]
 142 #       then
 143 #               echo "Portage Autoresume point found not emerging portage"
 144 #       else
 145                 USE="build" run_emerge --oneshot --nodeps portage
 146 #               touch /tmp/.clst_portage || exit 1
 147 #       fi
 148 }
 149
 150 setup_gcc(){
 151         if [ -x /usr/bin/gcc-config ]
 152         then
 153                 mythang=$( cd /etc/env.d/gcc; ls ${clst_CHOST}-* | head -n 1 )
 154                 if [ -z "${mythang}" ]
 155                 then
 156                         mythang=1
 157                 fi
 158                 gcc-config ${mythang}; update_env_settings
 159         fi
 160 }
 161
 162 setup_binutils(){
 163         if [ -x /usr/bin/binutils-config ]
 164         then
 165                 mythang=$( cd /etc/env.d/binutils; ls ${clst_CHOST}-* | head -n 1 )
 166                 if [ -z "${mythang}" ]
 167                 then
 168                         mythang=1
 169                 fi
 170                 binutils-config ${mythang}; update_env_settings
 171         fi
 172 }
 173
 174 cleanup_distcc() {
 175         rm -rf /etc/distcc/hosts
 176         for i in cc gcc c++ g++; do
 177                 # TODO: change to use get_libdir
 178                 rm -f /usr/lib/distcc/bin/${i}
 179                 ln -s /usr/bin/distcc /usr/lib/distcc/bin/${i}
 180         done
 181         rm -f /usr/lib/distcc/bin/*-wrapper
 182 }
 183
 184 cleanup_icecream() {
 185         LIBDIR=$(get_libdir)
 186         for i in cc gcc c++ g++; do
 187                 rm -f /usr/${LIBDIR}/icecc/bin/${i}
 188                 ln -s /usr/bin/icecc /usr/${LIBDIR}/icecc/bin/${i}
 189         done
 190         rm -f /usr/${LIBDIR}/icecc/bin/*-wrapper
 191 }
 192
 193 cleanup_stages() {
 194         if [ -n "${clst_DISTCC}" ]
 195         then
 196                 cleanup_distcc
 197         fi
 198         if [ -n "${clst_ICECREAM}" ]
 199         then
 200                 cleanup_icecream
 201         fi
 202         case ${clst_target} in
 203                 stage1|stage2|stage3)
 204                         rm -f /var/lib/portage/world
 205                         touch /var/lib/portage/world
 206                         ;;
 207                 *)
 208                         echo "Skipping removal of world file for ${clst_target}"
 209                         ;;
 210         esac
 211
 212         rm -f /var/log/emerge.log /var/log/portage/elog/*
 213         rm -rf /var/tmp/*
 214 }
 215
 216 update_env_settings(){
 217         which env-update > /dev/null 2>&1
 218         ret=$?
 219         if [ $ret -eq 0 ]
 220         then
 221                 ENV_UPDATE=`which env-update`
 222                 ${ENV_UPDATE}
 223         else
 224                 echo "WARNING: env-update not found, skipping!"
 225         fi
 226         source /etc/profile
 227         [ -f /tmp/envscript ] && source /tmp/envscript
 228 }
 229
 230 die() {
 231         echo "$1"
 232         exit 1
 233 }
 234
 235 make_destpath() {
 236         if  [ "${1}" = "" ]
 237         then
 238                 export ROOT=/
 239         else
 240                 export ROOT=${1}
 241                 if [ ! -d ${ROOT} ]
 242                 then
 243                         install -d ${ROOT}
 244                 fi
 245         fi
 246 }
 247
 248 run_emerge() {
 249         # Sets up the ROOT= parameter
 250         # with no options ROOT=/
 251         make_destpath ${clst_root_path}
 252
 253         export EMERGE_WARNING_DELAY=0
 254         export CLEAN_DELAY=0
 255         export EBEEP_IGNORE=0
 256         export EPAUSE_IGNORE=0
 257         export CONFIG_PROTECT="-*"
 258
 259         if [ -n "${clst_VERBOSE}" ]
 260         then
 261                 echo "ROOT=${ROOT} emerge ${clst_myemergeopts} -pt $@" || exit 1
 262                 emerge ${clst_myemergeopts} -pt $@ || exit 3
 263                 echo "Press any key within 15 seconds to pause the build..."
 264                 read -s -t 15 -n 1
 265                 if [ $? -eq 0 ]
 266                 then
 267                         echo "Press any key to continue..."
 268                         read -s -n 1
 269                 fi
 270         fi
 271
 272         echo "emerge ${clst_myemergeopts} $@" || exit 1
 273
 274         emerge ${clst_myemergeopts} $@ || exit 1
 275 }
 276
 277 show_debug() {
 278         if [ "${clst_DEBUG}" = "1" ]
 279         then
 280                 unset PACKAGES
 281                 echo "DEBUG:"
 282                 echo "Profile/target info:"
 283                 echo "Profile inheritance:"
 284                 python -c 'import portage; print portage.settings.profiles'
 285                 # TODO: grab our entire env
 286                 # <zmedico> to get see the ebuild env you can do something like:
 287                 # `set > /tmp/env_dump.${EBUILD_PHASE}` inside /etc/portage/bashrc
 288                 echo
 289                 echo "STAGE1_USE:            $(portageq envvar STAGE1_USE)"
 290                 echo
 291                 echo "USE (profile):         $(portageq envvar USE)"
 292                 echo "USE (stage1):          ${USE}"
 293                 echo "FEATURES (profile):    $(portageq envvar FEATURES)"
 294                 echo "FEATURES (stage1):     ${FEATURES}"
 295                 echo
 296                 echo "ARCH:                  $(portageq envvar ARCH)"
 297                 echo "CHOST:                 $(portageq envvar CHOST)"
 298                 echo "CFLAGS:                $(portageq envvar CFLAGS)"
 299                 echo
 300                 echo "PROFILE_ARCH:          $(portageq envvar PROFILE_ARCH)"
 301                 echo
 302                 echo "ABI:                   $(portageq envvar ABI)"
 303                 echo "DEFAULT_ABI:           $(portageq envvar DEFAULT_ABI)"
 304                 echo "KERNEL_ABI:            $(portageq envvar KERNEL_ABI)"
 305                 echo "MULTILIB_ABIS:         $(portageq envvar MULTILIB_ABIS)"
 306                 echo
 307         fi
 308 }
 309
 310 run_default_funcs() {
 311         if [ "${RUN_DEFAULT_FUNCS}" != "no" ]
 312         then
 313                 update_env_settings
 314                 setup_myfeatures
 315                 show_debug
 316         fi
 317 }
 318
 319 # Functions
 320 # Copy libs of a executable in the chroot
 321 function copy_libs() {
 322         # Check if it's a dynamix exec
 323         ldd ${1} > /dev/null 2>&1 || return
 324
 325         for lib in `ldd ${1} | awk '{ print $3 }'`
 326         do
 327                 echo ${lib}
 328                 if [ -e ${lib} ]
 329                 then
 330                         if [ ! -e ${clst_root_path}/${lib} ]
 331                         then
 332                                 copy_file ${lib}
 333                                 [ -e "${clst_root_path}/${lib}" ] && \
 334                                 strip -R .comment -R .note ${clst_root_path}/${lib} \
 335                                 || echo "WARNING : Cannot strip lib ${clst_root_path}/${lib} !"
 336                         fi
 337                 else
 338                         echo "WARNING : Some library was not found for ${lib} !"
 339                 fi
 340         done
 341 }
 342
 343 function copy_symlink() {
 344         STACK=${2}
 345         [ "${STACK}" = "" ] && STACK=16 || STACK=$((${STACK} - 1 ))
 346
 347         if [ ${STACK} -le 0 ]
 348         then
 349                 echo "WARNING : ${TARGET} : too many levels of symbolic links !"
 350                 return
 351         fi
 352
 353         [ ! -e ${clst_root_path}/`dirname ${1}` ] && \
 354                 mkdir -p ${clst_root_path}/`dirname ${1}`
 355         [ ! -e ${clst_root_path}/${1} ] && \
 356                 cp -vfdp ${1} ${clst_root_path}/${1}
 357
 358         if [[ -n $(type -p realpath) ]]; then
 359                 TARGET=`realpath ${1}`
 360         else
 361                 TARGET=`readlink -f ${1}`
 362         fi
 363         if [ -h ${TARGET} ]
 364         then
 365                 copy_symlink ${TARGET} ${STACK}
 366         else
 367                 copy_file ${TARGET}
 368         fi
 369 }
 370
 371 function copy_file() {
 372         f="${1}"
 373
 374         if [ ! -e "${f}" ]
 375         then
 376                 echo "WARNING : File not found : ${f}"
 377                 continue
 378         fi
 379
 380         [ ! -e ${clst_root_path}/`dirname ${f}` ] && \
 381                 mkdir -p ${clst_root_path}/`dirname ${f}`
 382         [ ! -e ${clst_root_path}/${f} ] && \
 383                 cp -vfdp ${f} ${clst_root_path}/${f}
 384         if [ -x ${f} -a ! -h ${f} ]
 385         then
 386                 copy_libs ${f}
 387                 strip -R .comment -R .note ${clst_root_path}/${f} > /dev/null 2>&1
 388         elif [ -h ${f} ]
 389         then
 390                 copy_symlink ${f}
 391         fi
 392 }
 393
 394 create_handbook_icon() {
 395         # This function creates a local icon to the Gentoo Handbook
 396         echo "[Desktop Entry]
 397 Encoding=UTF-8
 398 Version=1.0
 399 Type=Link
 400 URL=file:///mnt/cdrom/docs/handbook/html/index.html
 401 Terminal=false
 402 Name=Gentoo Linux Handbook
 403 GenericName=Gentoo Linux Handbook
 404 Comment=This is a link to the local copy of the Gentoo Linux Handbook.
 405 Icon=text-editor" > /usr/share/applications/gentoo-handbook.desktop
 406 }
 407
 408 # We do this everywhere, so why not put it in this script
 409 run_default_funcs
 410