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