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_binutils(){
 139         if [ -x /usr/bin/binutils-config ]
 140         then
 141                 mythang=$( cd /etc/env.d/binutils; ls ${clst_CHOST}-* | head -n 1 )
 142                 if [ -z "${mythang}" ]
 143                 then
 144                         mythang=1
 145                 fi
 146                 binutils-config ${mythang}; update_env_settings
 147         fi
 148 }
 149
 150 setup_gcc(){
 151         if [ -x /usr/bin/gcc-config ]
 152         then
 153                 mythang=$( 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 ${mythang}; update_env_settings
 159         fi
 160 }
 161
 162 setup_pkgmgr(){
 163         # portage needs to be merged manually with USE="build" set to avoid frying
 164         # our make.conf. emerge system could merge it otherwise.
 165 #       if [ "${clst_AUTORESUME}" = "1" -a -e /tmp/.clst_portage ]
 166 #       then
 167 #               echo "Portage Autoresume point found not emerging portage"
 168 #       else
 169                 USE="build" run_emerge --oneshot --nodeps virtual/portage
 170 #               touch /tmp/.clst_portage || exit 1
 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         [ -x /usr/sbin/env-update ] && /usr/sbin/env-update
 218         source /etc/profile
 219         [ -f /tmp/envscript ] && source /tmp/envscript
 220 }
 221
 222 die() {
 223         echo "$1"
 224         exit 1
 225 }
 226
 227 make_destpath() {
 228         if  [ "${1}" = "" ]
 229         then
 230                 export ROOT=/
 231         else
 232                 export ROOT=${1}
 233                 if [ ! -d ${ROOT} ]
 234                 then
 235                         install -d ${ROOT}
 236                 fi
 237         fi
 238 }
 239
 240 run_emerge() {
 241         # Sets up the ROOT= parameter
 242         # with no options ROOT=/
 243         make_destpath ${clst_root_path}
 244
 245         export EMERGE_WARNING_DELAY=0
 246         export CLEAN_DELAY=0
 247         export EBEEP_IGNORE=0
 248         export EPAUSE_IGNORE=0
 249         export CONFIG_PROTECT="-*"
 250
 251         if [ -n "${clst_VERBOSE}" ]
 252         then
 253                 echo "ROOT=${ROOT} emerge ${clst_myemergeopts} -pt $@" || exit 1
 254                 emerge ${clst_myemergeopts} -pt $@ || exit 3
 255                 echo "Press any key within 15 seconds to pause the build..."
 256                 read -s -t 15 -n 1
 257                 if [ $? -eq 0 ]
 258                 then
 259                         echo "Press any key to continue..."
 260                         read -s -n 1
 261                 fi
 262         fi
 263
 264         echo "emerge ${clst_myemergeopts} $@" || exit 1
 265
 266         emerge ${clst_myemergeopts} $@ || exit 1
 267 }
 268
 269 show_debug() {
 270         if [ "${clst_DEBUG}" = "1" ]
 271         then
 272                 unset PACKAGES
 273                 echo "DEBUG:"
 274                 echo "Profile/target info:"
 275                 echo "Profile inheritance:"
 276                 python -c 'import portage; print portage.settings.profiles'
 277                 # TODO: grab our entire env
 278                 # <zmedico> to get see the ebuild env you can do something like:
 279                 # `set > /tmp/env_dump.${EBUILD_PHASE}` inside /etc/portage/bashrc
 280                 # XXX: Also, portageq does *not* source profile.bashrc at any time.
 281                 echo
 282                 echo "STAGE1_USE:            $(portageq envvar STAGE1_USE)"
 283                 echo
 284                 echo "USE (profile):         $(portageq envvar USE)"
 285                 echo "USE (stage1):          ${USE}"
 286                 echo "FEATURES (profile):    $(portageq envvar FEATURES)"
 287                 echo "FEATURES (stage1):     ${FEATURES}"
 288                 echo
 289                 echo "ARCH:                  $(portageq envvar ARCH)"
 290                 echo "CHOST:                 $(portageq envvar CHOST)"
 291                 echo "CFLAGS:                $(portageq envvar CFLAGS)"
 292                 echo
 293                 echo "PROFILE_ARCH:          $(portageq envvar PROFILE_ARCH)"
 294                 echo
 295                 echo "ABI:                   $(portageq envvar ABI)"
 296                 echo "DEFAULT_ABI:           $(portageq envvar DEFAULT_ABI)"
 297                 echo "KERNEL_ABI:            $(portageq envvar KERNEL_ABI)"
 298                 echo "MULTILIB_ABIS:         $(portageq envvar MULTILIB_ABIS)"
 299                 echo
 300         fi
 301 }
 302
 303 run_default_funcs() {
 304         if [ "${RUN_DEFAULT_FUNCS}" != "no" ]
 305         then
 306                 update_env_settings
 307                 setup_myfeatures
 308                 show_debug
 309         fi
 310 }
 311
 312 # Functions
 313 # Copy libs of a executable in the chroot
 314 function copy_libs() {
 315         # Check if it's a dynamix exec
 316         ldd ${1} > /dev/null 2>&1 || return
 317
 318         for lib in `ldd ${1} | awk '{ print $3 }'`
 319         do
 320                 echo ${lib}
 321                 if [ -e ${lib} ]
 322                 then
 323                         if [ ! -e ${clst_root_path}/${lib} ]
 324                         then
 325                                 copy_file ${lib}
 326                                 [ -e "${clst_root_path}/${lib}" ] && \
 327                                 strip -R .comment -R .note ${clst_root_path}/${lib} \
 328                                 || echo "WARNING : Cannot strip lib ${clst_root_path}/${lib} !"
 329                         fi
 330                 else
 331                         echo "WARNING : Some library was not found for ${lib} !"
 332                 fi
 333         done
 334 }
 335
 336 function copy_symlink() {
 337         STACK=${2}
 338         [ "${STACK}" = "" ] && STACK=16 || STACK=$((${STACK} - 1 ))
 339
 340         if [ ${STACK} -le 0 ]
 341         then
 342                 echo "WARNING : ${TARGET} : too many levels of symbolic links !"
 343                 return
 344         fi
 345
 346         [ ! -e ${clst_root_path}/`dirname ${1}` ] && \
 347                 mkdir -p ${clst_root_path}/`dirname ${1}`
 348         [ ! -e ${clst_root_path}/${1} ] && \
 349                 cp -vfdp ${1} ${clst_root_path}/${1}
 350
 351         if [[ -n $(type -p realpath) ]]; then
 352                 TARGET=`realpath ${1}`
 353         else
 354                 TARGET=`readlink -f ${1}`
 355         fi
 356         if [ -h ${TARGET} ]
 357         then
 358                 copy_symlink ${TARGET} ${STACK}
 359         else
 360                 copy_file ${TARGET}
 361         fi
 362 }
 363
 364 function copy_file() {
 365         f="${1}"
 366
 367         if [ ! -e "${f}" ]
 368         then
 369                 echo "WARNING : File not found : ${f}"
 370                 continue
 371         fi
 372
 373         [ ! -e ${clst_root_path}/`dirname ${f}` ] && \
 374                 mkdir -p ${clst_root_path}/`dirname ${f}`
 375         [ ! -e ${clst_root_path}/${f} ] && \
 376                 cp -vfdp ${f} ${clst_root_path}/${f}
 377         if [ -x ${f} -a ! -h ${f} ]
 378         then
 379                 copy_libs ${f}
 380                 strip -R .comment -R .note ${clst_root_path}/${f} > /dev/null 2>&1
 381         elif [ -h ${f} ]
 382         then
 383                 copy_symlink ${f}
 384         fi
 385 }
 386
 387 create_handbook_icon() {
 388         # This function creates a local icon to the Gentoo Handbook
 389         echo "[Desktop Entry]
 390 Encoding=UTF-8
 391 Version=1.0
 392 Type=Link
 393 URL=file:///mnt/cdrom/docs/handbook/html/index.html
 394 Terminal=false
 395 Name=Gentoo Linux Handbook
 396 GenericName=Gentoo Linux Handbook
 397 Comment=This is a link to the local copy of the Gentoo Linux Handbook.
 398 Icon=text-editor" > /usr/share/applications/gentoo-handbook.desktop
 399 }
 400
 401 # We do this everywhere, so why not put it in this script
 402 run_default_funcs
 403