target/share/initrd/build.sh

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: target/share/initrd/build.sh
   3 # Copyright (C) 2004 - 2021 The T2 SDE Project
   4 #
   5 # This Copyright note is generated by scripts/Create-CopyPatch,
   6 # more information can be found in the files COPYING and README.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License version 2.
  10 # --- T2-COPYRIGHT-NOTE-END ---
  11 #
  12 #Description: Initial RAM disk (initrd) / RAM FS (initramfs)
  13
  14 # TODO: share code with livecd imager
  15
  16 set -e
  17 imagelocation="$build_toolchain/rootfs" # where the roofs is prepared
  18
  19 . $base/misc/target/functions.in
  20
  21 mkdir -p $imagelocation ; cd $imagelocation
  22 # just in case it is still there from the last run
  23 (umount proc ; umount dev) 2>/dev/null || true
  24
  25 echo "Creating root file-system file lists ..."
  26 f=" $pkg_filter "
  27 for pkg in `grep '^X ' $base/config/$config/packages | cut -d ' ' -f 5`; do
  28         # include the package?
  29         if [ "${f/ $pkg /}" == "$f" ] ; then
  30                 cut -d ' ' -f 2 $build_root/var/adm/flists/$pkg 2>/dev/null || true
  31         fi
  32 done > ../files-wanted
  33 unset f
  34 [ "$filter_hook" ] && "$filter_hook" ../files-wanted
  35 sort -u ../files-wanted > x ; mv -f x ../files-wanted
  36
  37 # for rsync with --delete we can not use file lists, since rsync does not
  38 # delete in that mode - instead we need to generate a negative list
  39 time find $build_root -mount -wholename $build_root/TOOLCHAIN -prune -o -printf '%P\n' |
  40         sort -u > ../files-all
  41 # the difference
  42 diff -u ../files-all ../files-wanted |
  43 sed -n -e '/var\/adm\/olist/d' -e '/var\/adm\/logs/d' \
  44        -e '/var\/adm\/dep-debug/d' -e '/var\/adm\/cache/d' -e 's/^-//p' > ../files-exclude
  45 echo "TOOLCHAIN
  46 proc/*
  47 dev/*
  48 */share/doc/*
  49 var/adm/olist
  50 var/adm/logs
  51 var/adm/dep-debug
  52 var/adm/cache" >> ../files-exclude
  53
  54 echo "Syncing root file-system (this may take some time) ..."
  55 [ -e $imagelocation/bin ] && v="-v" || v=""
  56 time rsync -artH $v --devices --specials --delete --delete-excluded \
  57      --exclude-from ../files-exclude $build_root/ $imagelocation/
  58 rm ../files-{wanted,all,exclude}
  59
  60 echo "Overlaying root file-system with target defined files ..."
  61 copy_and_parse_from_source $base/target/share/initrd/rootfs $imagelocation
  62 [ -e $base/target/$target/rootfs ] &&
  63         copy_and_parse_from_source $base/target/$target/rootfs $imagelocation
  64
  65 [ "$inject_hook" ] && "$inject_hook"
  66
  67 if false; then
  68 echo "Running ldconfig and other postinstall scripts ..."
  69 mount /dev dev --bind
  70 mount none proc -t proc
  71 for x in sbin/ldconfig etc/postinstall.d/*; do
  72         cat > $$.sh <<-EOT
  73                 . /etc/profile
  74                 $x
  75 EOT
  76         chmod +x $$.sh
  77         case $x in
  78                 */scrollkeeper) echo "$x left out" ;;
  79                 *) chroot . /bin/sh -c ". /etc/profile; /$x" && true ;;
  80         esac
  81         rm $$.sh
  82 done
  83 umount proc
  84 umount dev
  85 fi
  86
  87 echo "Compression root file-system (this may take some time) ..."
  88 time find . | cpio -o -H newc | gzip -c9 > $imagelocation/../initrd
  89 du -sh $imagelocation/../initrd
  90
  91 # For each available kernel:
  92 #
  93 mkdir -p $imagelocation/../boot/
  94 for x in `egrep 'X .* KERNEL .*' $base/config/$config/packages |
  95           cut -d ' ' -f 5`; do
  96  kernel=${x/_*/}
  97  for kernelver in `sed -n "s,.*boot/kconfig.,,p" $build_root/var/adm/flists/$kernel`; do
  98   initrd="initrd-$kernelver"
  99   kernelimg=`ls $build_root/boot/vmlinu?-$kernelver`
 100   kernelimg=${kernelimg##*/}
 101
 102   cp $build_root/boot/vmlinu?-$kernelver $imagelocation/../boot/
 103   cp $imagelocation/../initrd $imagelocation/../boot/$initrd
 104  done
 105 done