| 1 | #!/bin/bash -e |
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| 2 | |
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| 3 | # debirf: script to build debirf system. |
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| 4 | # |
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| 5 | # The debirf scripts were written by |
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| 6 | # Jameson Rollins <jrollins@fifthhorseman.net> |
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| 7 | # and |
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| 8 | # Daniel Kahn Gillmor <dkg-debian.org@fifthhorseman.net>. |
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| 9 | # |
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| 10 | # They are Copyright 2007, and are all released under the GPL, |
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| 11 | # version 3 or later. |
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| 12 | |
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| 13 | ############################################################### |
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| 14 | ### VARIABLES |
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| 15 | |
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| 16 | CMD=$(basename $0) |
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| 17 | |
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| 18 | DEBIRF_COMMON=${DEBIRF_COMMON:-/usr/share/debirf/common} |
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| 19 | source "$DEBIRF_COMMON" |
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| 20 | |
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| 21 | # default label |
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| 22 | DEBIRF_LABEL=${DEBIRF_LABEL:-debirf} |
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| 23 | |
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| 24 | # default debirf boot method |
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| 25 | DEBIRF_METHOD=${DEBIRF_METHOD:-nested} |
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| 26 | |
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| 27 | # default build type |
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| 28 | export ROOT_BUILD=false |
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| 29 | |
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| 30 | # stages to run by default |
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| 31 | STAGE_ROOT=${STAGE_ROOT:-true} |
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| 32 | STAGE_MODULES=${STAGE_MODULES:-true} |
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| 33 | STAGE_INITRD=${STAGE_INITRD:-true} |
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| 34 | |
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| 35 | # warn if running as root |
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| 36 | ROOT_WARNING=true |
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| 37 | |
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| 38 | # location of devices.tar.gz file |
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| 39 | export DEVICE_ARCHIVE=${DEVICE_ARCHIVE:-/usr/share/debirf/devices.tar.gz} |
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| 40 | |
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| 41 | # list of packages to include/exclude from debootstrap |
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| 42 | export INCLUDE=less |
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| 43 | export EXCLUDE=apt-utils,bsdmainutils,cron,ed,info,logrotate,man-db,manpages,tasksel,tasksel-data,tcpd,traceroute |
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| 44 | |
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| 45 | ############################################################### |
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| 46 | ### FUNCTIONS |
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| 47 | |
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| 48 | usage() { |
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| 49 | cat <<EOF |
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| 50 | Usage: $CMD <subcommand> [options] [args] |
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| 51 | Debirf system tool. |
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| 52 | |
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| 53 | subcommands: |
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| 54 | make [options] PROFILE build debirf profile (make kernel and initramfs) |
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| 55 | -c|--check-vars check variables before make |
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| 56 | -n|--new create new root, even if old one exists |
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| 57 | -o|--overwrite debootstrap on top of old root if it exists |
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| 58 | -s|--skip skip debootstrap step if old root exists |
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| 59 | -r|--root-build use real chroot to build instead of fakechroot |
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| 60 | (requires superuser privileges or CAP_SYS_CHROOT) |
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| 61 | -w|--no-warning skip superuser warning |
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| 62 | -d|--no-initrd do not make initramfs |
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| 63 | -i|--initrd-only just remake initramfs from existing root |
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| 64 | -k|--kernel=KERNEL install KERNEL .deb, instead of default kernel |
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| 65 | enter PROFILE [CMDS] enter shell in debirf profile root changes |
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| 66 | (optional execute CMDS in root and exit) |
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| 67 | makeiso PROFILE create a bootable ISO using the given profile |
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| 68 | (requires GRUB) |
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| 69 | help this help |
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| 70 | |
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| 71 | EOF |
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| 72 | } |
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| 73 | |
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| 74 | usage_profile() { |
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| 75 | cat <<EOF |
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| 76 | It looks like your profile is not correctly formed. Please refer to the |
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| 77 | README file included with this package on how to setup a profile. |
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| 78 | EOF |
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| 79 | } |
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| 80 | |
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| 81 | failure() { |
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| 82 | echo "$1" >&2 |
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| 83 | exit ${2:-'1'} |
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| 84 | } |
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| 85 | |
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| 86 | create_debootstrap() { |
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| 87 | local OPTS="--include=$INCLUDE --exclude=$EXCLUDE $DEBIRF_SUITE $DEBIRF_ROOT $DEBIRF_MIRROR" |
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| 88 | |
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| 89 | if [ "$DEBIRF_KEYRING" ] ; then |
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| 90 | OPTS="--keyring='$DEBIRF_KEYRING' $OPTS" |
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| 91 | fi |
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| 92 | |
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| 93 | mkdir -p "$DEBIRF_ROOT" |
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| 94 | |
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| 95 | if [ "$ROOT_BUILD" = 'true' ] ; then |
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| 96 | eval "/usr/sbin/debootstrap $OPTS" |
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| 97 | else |
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| 98 | eval "fakeroot_if_needed fakechroot /usr/sbin/debootstrap --variant=fakechroot $OPTS" |
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| 99 | fi |
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| 100 | |
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| 101 | fakeroot_if_needed mv "$DEBIRF_ROOT"/var/log/bootstrap.log "$DEBIRF_BUILDD"/.bootstrap.log |
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| 102 | } |
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| 103 | |
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| 104 | # fix the device tree in the debirf root if fakechroot variant was |
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| 105 | # used with debootstrap (default non-privileged behavior) |
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| 106 | fix_dev() { |
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| 107 | if [ -L "$DEBIRF_ROOT"/dev -o ! -d "$DEBIRF_ROOT"/dev ] ; then |
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| 108 | msg "fixing debirf root dev tree..." |
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| 109 | |
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| 110 | # remove old dev |
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| 111 | fakeroot_if_needed rm -f "$DEBIRF_ROOT"/dev |
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| 112 | |
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| 113 | # create new dev from devices archive |
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| 114 | fakeroot_if_needed sh -c "cd $DEBIRF_ROOT; tar -xzf $DEVICE_ARCHIVE" |
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| 115 | |
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| 116 | # create /dev/console |
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| 117 | fakeroot_if_needed sh -c "mknod $DEBIRF_ROOT/dev/console c 5 1; chmod 0600 $DEBIRF_ROOT/dev/console" |
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| 118 | fi |
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| 119 | } |
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| 120 | |
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| 121 | # run modules in modules directory |
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| 122 | run_modules() { |
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| 123 | fakeroot_if_needed run-parts --verbose --exit-on-error "$DEBIRF_MODULES" |
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| 124 | } |
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| 125 | |
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| 126 | # pack the rootfs archive |
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| 127 | # takes one input argument as name of output archive file |
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| 128 | pack_rootfs() { |
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| 129 | # need to pack archive in fakechroot/chroot so that symlinks correctly |
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| 130 | # point within debirf root, instead of to host path |
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| 131 | fakeroot_if_needed fakechroot chroot "$DEBIRF_ROOT" sh -c "find * | cpio --create -H newc" | gzip > "$1" |
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| 132 | } |
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| 133 | export -f pack_rootfs |
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| 134 | |
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| 135 | |
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| 136 | ## create_initrd functions |
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| 137 | # stupid simple method |
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| 138 | create_initrd_stupid_simple() { |
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| 139 | fakeroot_if_needed ln -sf /sbin/init "$DEBIRF_ROOT/init" |
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| 140 | pack_rootfs "$DEBIRF_INITRD" |
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| 141 | } |
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| 142 | |
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| 143 | # nested cpio archives |
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| 144 | create_initrd_nested() { |
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| 145 | local util lib |
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| 146 | local NEST_ROOT="$DEBIRF_BUILDD"/nest |
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| 147 | |
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| 148 | # make the nested root |
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| 149 | rm -rf "$NEST_ROOT" |
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| 150 | mkdir -p "$NEST_ROOT"/{bin,lib} |
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| 151 | |
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| 152 | # copy needed executables into nest |
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| 153 | cp -f /bin/{busybox,cpio} "$NEST_ROOT"/bin/ |
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| 154 | for util in awk free grep gunzip ls mkdir mount sh umount ; do |
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| 155 | ln "$NEST_ROOT"/bin/busybox "$NEST_ROOT"/bin/"$util" |
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| 156 | done |
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| 157 | cp -f /usr/lib/klibc/bin/run-init "$NEST_ROOT"/bin/ |
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| 158 | |
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| 159 | # copy in needed libraries |
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| 160 | for lib in $(ldd "$NEST_ROOT"/bin/* | egrep '*.so.[[:digit:]]+ \(0x[[:xdigit:]]{8}\)$' | sed -r 's|.*[[:space:]](/[^[[:space:]]*)[[:space:]]\(0x[[:xdigit:]]{8}\)$|\1|' | sort -u) ; do |
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| 161 | # pull libraries from most basic place libraries can live |
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| 162 | # (avoid arch change between build env and debirf) |
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| 163 | lib=/lib/$(basename "$lib") |
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| 164 | echo -e "$lib\n$(readlink -f $lib)" | cpio --pass-through --make-directories "$NEST_ROOT"/ |
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| 165 | done |
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| 166 | cp -f /lib/klibc-* "$NEST_ROOT"/lib/ |
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| 167 | |
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| 168 | # create nest init |
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| 169 | cat > "$NEST_ROOT"/init <<EOF |
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| 170 | #!/bin/sh |
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| 171 | mkdir /proc |
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| 172 | mount -t proc proc /proc |
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| 173 | if (grep -q break=top /proc/cmdline); then |
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| 174 | echo "honoring break=top kernel arg" |
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| 175 | /bin/sh |
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| 176 | fi |
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| 177 | mkdir /newroot |
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| 178 | MEMSIZE=\$(free | grep 'Mem:' | awk '{ print \$2 }') |
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| 179 | mount -t tmpfs -o size=\${MEMSIZE}k tmpfs /newroot |
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| 180 | if (grep -q break=preunpack /proc/cmdline); then |
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| 181 | echo "honoring break=preunpack kernel arg" |
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| 182 | /bin/sh |
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| 183 | fi |
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| 184 | cd /newroot |
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| 185 | echo unpacking rootfs... |
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| 186 | # specify /bin/cpio so that it gets used instead of the busybox builtin |
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| 187 | # busybox cpio returns "need to fix this" when unpacking hard links |
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| 188 | gunzip - < /rootfs.cgz | /bin/cpio -i |
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| 189 | if (grep -q break=bottom /proc/cmdline); then |
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| 190 | echo "honoring break=bottom kernel arg" |
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| 191 | /bin/sh |
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| 192 | fi |
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| 193 | umount /proc |
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| 194 | echo running /sbin/init... |
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| 195 | exec /bin/run-init . /sbin/init < ./dev/console > ./dev/console |
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| 196 | EOF |
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| 197 | chmod a+x "$NEST_ROOT"/init |
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| 198 | |
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| 199 | msg "creating rootfs.cgz..." |
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| 200 | fakeroot_if_needed ln -sf /sbin/init "$DEBIRF_ROOT/init" |
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| 201 | pack_rootfs "$NEST_ROOT"/rootfs.cgz |
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| 202 | |
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| 203 | msg "creating wrapper cgz..." |
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| 204 | fakeroot_if_needed sh -c "cd $NEST_ROOT && find * | cpio --create -H newc" | gzip > "$DEBIRF_INITRD" |
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| 205 | } |
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| 206 | |
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| 207 | # determine what the host system distro is, and set debirf build defaults |
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| 208 | # accordingly |
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| 209 | set_distro() { |
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| 210 | RUN_DISTRO=$(head -1 /etc/issue | awk '{ print $1 }' | tr "[:upper:]" "[:lower:]") |
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| 211 | case "$RUN_DISTRO" in |
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| 212 | ubuntu) |
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| 213 | DEBIRF_SUITE=${DEBIRF_SUITE:-"hoary"} |
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| 214 | ;; |
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| 215 | *) |
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| 216 | DEBIRF_SUITE=${DEBIRF_SUITE:-"lenny"} |
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| 217 | ;; |
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| 218 | esac |
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| 219 | |
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| 220 | case "$DEBIRF_SUITE" in |
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| 221 | breezy|dapper|edgy|feisty|gutsy|hardy|hoary) |
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| 222 | DEBIRF_DISTRO=${DEBIRF_DISTRO:-"ubuntu"} |
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| 223 | ;; |
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| 224 | *) |
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| 225 | DEBIRF_DISTRO=${DEBIRF_DISTRO:-"debian"} |
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| 226 | ;; |
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| 227 | esac |
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| 228 | |
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| 229 | DEBIRF_MIRROR=${DEBIRF_MIRROR:-"http://mirrors.kernel.org/${DEBIRF_DISTRO}"} |
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| 230 | DEBIRF_KEYRING=${DEBIRF_KEYRING:-"/usr/share/keyrings/${DEBIRF_DISTRO}-archive-keyring.gpg"} |
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| 231 | |
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| 232 | if ! [ -f "$DEBIRF_KEYRING" -a -r "$DEBIRF_KEYRING" ] ; then |
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| 233 | failure "Cannot read keyring '$DEBIRF_KEYRING' for debootstrap verification." |
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| 234 | fi |
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| 235 | } |
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| 236 | |
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| 237 | # setup profile environment |
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| 238 | setup_environment() { |
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| 239 | # check profile |
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| 240 | if [ -d "$DEBIRF_PROFILE" ] ; then |
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| 241 | echo "Loading profile '$DEBIRF_PROFILE'..." |
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| 242 | DEBIRF_CONF="$DEBIRF_PROFILE/debirf.conf" |
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| 243 | DEBIRF_MODULES="$DEBIRF_PROFILE/modules" |
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| 244 | else |
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| 245 | failure "Profile '$DEBIRF_PROFILE' not found." |
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| 246 | fi |
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| 247 | |
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| 248 | # source profile debirf.conf |
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| 249 | if [ -f "$DEBIRF_CONF" ] ; then |
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| 250 | source "$DEBIRF_CONF" |
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| 251 | else |
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| 252 | echo "Configuration file '$DEBIRF_CONF' not found." |
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| 253 | usage_profile |
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| 254 | exit 1 |
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| 255 | fi |
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| 256 | |
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| 257 | # check modules directory |
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| 258 | if [ ! -d "$DEBIRF_MODULES" ] || [ -z "$(ls "$DEBIRF_MODULES")" ] ; then |
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| 259 | echo "Modules directoy '$DEBIRF_MODULES' does not exist or is empty." |
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| 260 | usage_profile |
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| 261 | exit 1 |
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| 262 | fi |
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| 263 | for MODULE in $(find "$DEBIRF_MODULES") ; do |
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| 264 | if [ ! -s "$MODULE" ] ; then |
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| 265 | failure "Module '$MODULE' is a broken link or empty file." |
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| 266 | fi |
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| 267 | done |
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| 268 | |
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| 269 | # set/check buildd |
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| 270 | DEBIRF_BUILDD=${DEBIRF_BUILDD:-"$DEBIRF_PROFILE"} |
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| 271 | if [ ! -d "$DEBIRF_BUILDD" ] ; then |
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| 272 | failure "Could not find build directory '$DEBIRF_BUILDD'." |
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| 273 | fi |
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| 274 | |
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| 275 | # set root directory |
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| 276 | DEBIRF_ROOT="$DEBIRF_BUILDD/root" |
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| 277 | |
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| 278 | # set fakechroot save file |
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| 279 | DEBIRF_FAKEROOT_STATE="$DEBIRF_BUILDD/.fakeroot-state.${DEBIRF_LABEL}" |
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| 280 | |
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| 281 | # set the debirf distro variables based on host distro |
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| 282 | set_distro |
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| 283 | |
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| 284 | # export all the DEBIRF_* environment variables: |
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| 285 | for var in ${!DEBIRF_*}; do |
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| 286 | if [ $var ] ; then |
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| 287 | export $var |
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| 288 | else |
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| 289 | failure "Variable '$var' not properly set." |
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| 290 | fi |
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| 291 | done |
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| 292 | |
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| 293 | # check variables |
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| 294 | if [ "$CHECK_VARS" ] ; then |
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| 295 | echo "Debirf variables:" |
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| 296 | env | /bin/grep "^DEBIRF_" |
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| 297 | read -p "enter to continue: " OK |
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| 298 | fi |
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| 299 | } |
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| 300 | |
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| 301 | # make profile |
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| 302 | make() { |
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| 303 | # option parsing |
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| 304 | TEMP=$(getopt --options -hcnosrwdik: --longoptions help,check-vars,new,overwrite,skip,root-build,no-warning,no-initrd,initrd-only,kernel: -n "$CMD" -- "$@") |
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| 305 | |
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| 306 | if [ $? != 0 ] ; then |
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| 307 | echo "Invalid options." >&2 |
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| 308 | usage |
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| 309 | exit 1 |
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| 310 | fi |
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| 311 | |
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| 312 | # Note the quotes around `$TEMP': they are essential! |
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| 313 | eval set -- "$TEMP" |
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| 314 | |
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| 315 | while true ; do |
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| 316 | case "$1" in |
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| 317 | -c|--check-vars) |
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| 318 | CHECK_VARS=true |
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| 319 | shift 1 |
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| 320 | ;; |
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| 321 | -n|--new) |
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| 322 | WRITE_MODE=rewrite |
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| 323 | shift 1 |
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| 324 | ;; |
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| 325 | -o|--overwrite) |
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| 326 | WRITE_MODE=overwrite |
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| 327 | shift 1 |
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| 328 | ;; |
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| 329 | -s|--skip) |
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| 330 | WRITE_MODE=skip |
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| 331 | shift 1 |
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| 332 | ;; |
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| 333 | -r|--root-build) |
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| 334 | ROOT_BUILD=true |
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| 335 | shift 1 |
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| 336 | ;; |
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| 337 | -w|--no-warning) |
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| 338 | ROOT_WARNING=false |
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| 339 | shift 1 |
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| 340 | ;; |
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| 341 | -d|--no-initrd) |
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| 342 | STAGE_INITRD=false |
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| 343 | shift 1 |
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| 344 | ;; |
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| 345 | -i|--initrd-only) |
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| 346 | STAGE_ROOT=false |
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| 347 | STAGE_MODULES=false |
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| 348 | shift 1 |
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| 349 | ;; |
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| 350 | -k|--kernel) |
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| 351 | DEBIRF_KERNEL_PACKAGE="$2" |
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| 352 | shift 2 |
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| 353 | ;; |
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| 354 | --) |
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| 355 | shift |
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| 356 | ;; |
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| 357 | *) |
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| 358 | if (( $# < 1 )) ; then |
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| 359 | echo "Improper number of input arguments." |
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| 360 | usage |
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| 361 | exit 1 |
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| 362 | fi |
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| 363 | DEBIRF_PROFILE=$(dirname "$1"/x) |
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| 364 | break |
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| 365 | ;; |
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| 366 | esac |
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| 367 | done |
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| 368 | |
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| 369 | if [ $(id -u) = '0' ] ; then |
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| 370 | cat <<EOF |
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| 371 | Warning: You are running debirf as root. There is a potential |
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| 372 | for improperly written modules to damage your system. |
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| 373 | EOF |
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| 374 | if [ "$ROOT_WARNING" = 'true' ] ; then |
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| 375 | read -p "Are you sure you wish to continue? [y|N]: " OK; OK=${OK:=N} |
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| 376 | if [ "${OK/y/Y}" != 'Y' ] ; then |
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| 377 | failure "aborting." |
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| 378 | fi |
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| 379 | fi |
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| 380 | fi |
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| 381 | |
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| 382 | setup_environment |
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| 383 | |
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| 384 | if [ "$DEBIRF_KERNEL_PACKAGE" ] ; then |
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| 385 | if [ -f "$DEBIRF_KERNEL_PACKAGE" ] ; then |
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| 386 | echo "Using kernel package '$DEBIRF_KERNEL_PACKAGE'." |
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| 387 | else |
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| 388 | failure "Kernel package '$DEBIRF_KERNEL_PACKAGE' not found." |
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| 389 | fi |
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| 390 | fi |
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| 391 | |
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| 392 | ### BUILD ROOT |
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| 393 | if [ "$STAGE_ROOT" = 'true' ] ; then |
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| 394 | # determine write mode |
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| 395 | if [ -d "$DEBIRF_ROOT" ] ; then |
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| 396 | if [ -z "$WRITE_MODE" ] ; then |
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| 397 | echo "Debirf root already exists. Select one of the following:" |
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| 398 | CASE1='new: delete the old root and create a new one' |
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| 399 | CASE2='overwrite: leave the old root and debootstrap on top of it' |
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| 400 | CASE3='skip: skip building the root and go right to installing modules' |
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| 401 | CASE4='exit' |
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| 402 | select CASE in "$CASE1" "$CASE2" "$CASE3" "$CASE4" ; do |
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| 403 | case "$REPLY" in |
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| 404 | 1) |
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| 405 | WRITE_MODE=rewrite |
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| 406 | ;; |
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| 407 | 2) |
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| 408 | WRITE_MODE=overwrite |
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| 409 | ;; |
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| 410 | 3) |
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| 411 | WRITE_MODE=skip |
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| 412 | ;; |
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| 413 | *) |
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| 414 | failure "aborting." |
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| 415 | ;; |
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| 416 | esac |
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| 417 | break |
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| 418 | done |
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| 419 | fi |
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| 420 | else |
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| 421 | WRITE_MODE=new |
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| 422 | fi |
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| 423 | case "$WRITE_MODE" in |
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| 424 | 'new') |
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| 425 | msg "creating debirf root..." |
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| 426 | > "$DEBIRF_FAKEROOT_STATE" |
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| 427 | create_debootstrap |
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| 428 | ;; |
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| 429 | 'rewrite') |
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| 430 | msg "clearing old debirf root..." |
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| 431 | rm -rf "$DEBIRF_ROOT" |
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| 432 | msg "creating debirf root..." |
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| 433 | > "$DEBIRF_FAKEROOT_STATE" |
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| 434 | create_debootstrap |
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| 435 | ;; |
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| 436 | 'overwrite') |
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| 437 | msg "overwriting old debirf root..." |
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| 438 | create_debootstrap |
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| 439 | ;; |
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| 440 | 'skip') |
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| 441 | msg "skipping debootstrap..." |
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| 442 | ;; |
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| 443 | *) |
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| 444 | failure "aborting." |
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| 445 | ;; |
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| 446 | esac |
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| 447 | |
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| 448 | # fix the dev tree if running as non-priv user (fakechroot debootstrap) |
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| 449 | fix_dev |
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| 450 | |
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| 451 | else |
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| 452 | echo "Not building root." |
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| 453 | fi |
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| 454 | ### END BUILD ROOT |
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| 455 | |
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| 456 | ### RUN MODULES |
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| 457 | if [ "$STAGE_MODULES" = 'true' ] ; then |
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| 458 | msg "executing modules..." |
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| 459 | run_modules |
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| 460 | msg "modules complete." |
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| 461 | else |
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| 462 | echo "Not running modules." |
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| 463 | fi |
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| 464 | ### END RUN MODULES |
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| 465 | |
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| 466 | ### BUILD INITRD |
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| 467 | if [ "$STAGE_INITRD" = 'true' ] ; then |
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| 468 | if [ ! -d "$DEBIRF_ROOT" ] ; then |
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| 469 | failure "Debirf root '$DEBIRF_ROOT' not found." |
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| 470 | fi |
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| 471 | # determine initrd name |
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| 472 | KERNEL_VERS=$(ls -1 "$DEBIRF_ROOT/lib/modules" | head -n1) |
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| 473 | DEBIRF_INITRD="${DEBIRF_BUILDD}/${DEBIRF_LABEL}_${DEBIRF_SUITE}_${KERNEL_VERS}.cgz" |
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| 474 | |
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| 475 | msg "creating debirf initrd ('$DEBIRF_METHOD')..." |
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| 476 | create_initrd_${DEBIRF_METHOD} "$DEBIRF_INITRD" |
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| 477 | |
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| 478 | # final output |
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| 479 | DEBIRF_KERNEL=$(ls "$DEBIRF_BUILDD" | grep "vmlinu" | grep "$KERNEL_VERS$") |
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| 480 | msg "debirf initrd created." |
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| 481 | if [ "$DEBIRF_BUILDD/$DEBIRF_KERNEL" ] ; then |
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| 482 | msg "kernel: $DEBIRF_BUILDD/$DEBIRF_KERNEL" |
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| 483 | fi |
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| 484 | msg "initrd: $DEBIRF_INITRD" |
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| 485 | else |
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| 486 | echo "Not creating initramfs." |
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| 487 | fi |
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| 488 | ### END BUILD INITRD |
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| 489 | } |
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| 490 | |
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| 491 | # enter profile root |
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| 492 | enter() { |
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| 493 | DEBIRF_PROFILE="$1" |
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| 494 | shift |
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| 495 | |
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| 496 | setup_environment |
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| 497 | |
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| 498 | if [ "$1" ] ; then |
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| 499 | fakeroot_if_needed debirf_exec "$@" |
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| 500 | else |
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| 501 | fakeroot_if_needed debirf_exec bash -i |
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| 502 | fi |
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| 503 | } |
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| 504 | |
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| 505 | # create an ISO from the given kernel and initramfs (requires GRUB, |
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| 506 | # see: |
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| 507 | # http://www.gnu.org/software/grub/manual/html_node/Making-a-GRUB-bootable-CD-ROM.html) |
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| 508 | makeiso() { |
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| 509 | DEBIRF_PROFILE="$1" |
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| 510 | shift |
|---|
| 511 | |
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| 512 | setup_environment |
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| 513 | |
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| 514 | (which genisoimage > /dev/null) || failure "genisoimage is not in your path. Maybe you need to install it?" |
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| 515 | |
|---|
| 516 | [ -d "$DEBIRF_PROFILE" ] || failure "'$DEBIRF_PROFILE' does not seem to be a directory" |
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| 517 | |
|---|
| 518 | cd "$DEBIRF_PROFILE" || failure "Could not enter profile directory '$DEBIRF_PROFILE'." |
|---|
| 519 | local KERNEL=${KERNEL:-$(echo "vmlinu"*)} |
|---|
| 520 | local INITRAMFS=${INITRAMFS:-$(echo "debirf-"*.cgz)} |
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| 521 | |
|---|
| 522 | # FIXME: it would be best to pull the name of the architecture |
|---|
| 523 | # exactly instead of using shell globbing to guess at it: |
|---|
| 524 | local GRUB_ELTORITO=${GRUB_ELTORITO:-$(echo "/usr/lib/grub/"*"-pc/stage2_eltorito")} |
|---|
| 525 | |
|---|
| 526 | case $(ls -l $KERNEL 2> /dev/null | wc -l) in |
|---|
| 527 | 0) |
|---|
| 528 | failure "Failed to find a kernel in '$DEBIRF_PROFILE'. Maybe you need to run 'debirf make $DEBIRF_PROFILE' first?" |
|---|
| 529 | ;; |
|---|
| 530 | 1) |
|---|
| 531 | true |
|---|
| 532 | ;; |
|---|
| 533 | *) |
|---|
| 534 | failure "Multiple kernels found in '$DEBIRF_PROFILE'. Please clear out all but the desired kernel." |
|---|
| 535 | ;; |
|---|
| 536 | esac |
|---|
| 537 | case $(ls -l $INITRAMFS 2> /dev/null | wc -l) in |
|---|
| 538 | 0) |
|---|
| 539 | failure "Failed to find a single initramfs in '$DEBIRF_PROFILE'. Maybe you need to run 'debirf make $DEBIRF_PROFILE' first?" |
|---|
| 540 | ;; |
|---|
| 541 | 1) |
|---|
| 542 | true |
|---|
| 543 | ;; |
|---|
| 544 | *) |
|---|
| 545 | failure "Multiple initramfs found in '$DEBIRF_PROFILE'. Please clear out all but the desired initramfs." |
|---|
| 546 | ;; |
|---|
| 547 | esac |
|---|
| 548 | [ -r "$GRUB_ELTORITO" ] || failure "Failed to find a grub El Torito stage2 loader at '$GRUB_ELTORITO'. Try specifying it explicitly with the GRUB_ELTORITO environment variable" |
|---|
| 549 | |
|---|
| 550 | # get rid of the "iso" directory if it exists. |
|---|
| 551 | rm -rf iso |
|---|
| 552 | mkdir -p iso/boot/grub |
|---|
| 553 | |
|---|
| 554 | # use hard links to avoid massive copying time and genisoimage's |
|---|
| 555 | # warning about -f (we're almost certainly on the same filesystem): |
|---|
| 556 | ln "$KERNEL" iso/ || failure "Failed to link kernel into iso" |
|---|
| 557 | ln "$INITRAMFS" iso/ || failure "Failed to link initramfs into iso" |
|---|
| 558 | |
|---|
| 559 | # this file is very likely not on the same filesystem (and it's |
|---|
| 560 | # likely to be small) so copying it makes more sense than linking: |
|---|
| 561 | cp "$GRUB_ELTORITO" iso/boot/grub/ |
|---|
| 562 | cat >iso/boot/grub/menu.lst <<EOF |
|---|
| 563 | serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1 |
|---|
| 564 | terminal --timeout=10 serial console |
|---|
| 565 | |
|---|
| 566 | title Debirf ($DEBIRF_LABEL) (created $(date -R)) |
|---|
| 567 | kernel /$KERNEL |
|---|
| 568 | initrd /$INITRAMFS |
|---|
| 569 | EOF |
|---|
| 570 | |
|---|
| 571 | # determine iso name |
|---|
| 572 | KERNEL_VERS=$(ls -1 "$DEBIRF_ROOT/lib/modules" | head -n1) |
|---|
| 573 | DEBIRF_ISO="${DEBIRF_LABEL}_${DEBIRF_SUITE}_${KERNEL_VERS}.iso" |
|---|
| 574 | |
|---|
| 575 | genisoimage -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table -o "$DEBIRF_ISO" iso |
|---|
| 576 | # do we need to clean up the iso/ directory so that this can be run again? |
|---|
| 577 | } |
|---|
| 578 | |
|---|
| 579 | |
|---|
| 580 | ############################################################### |
|---|
| 581 | ### MAIN |
|---|
| 582 | |
|---|
| 583 | COMMAND="$1" |
|---|
| 584 | [ "$COMMAND" ] || failure "Type '$CMD help' for usage." |
|---|
| 585 | shift |
|---|
| 586 | |
|---|
| 587 | case $COMMAND in |
|---|
| 588 | 'make'|'m') |
|---|
| 589 | make "$@" |
|---|
| 590 | ;; |
|---|
| 591 | 'makeiso'|'i') |
|---|
| 592 | makeiso "$@" |
|---|
| 593 | ;; |
|---|
| 594 | 'enter'|'e') |
|---|
| 595 | enter "$@" |
|---|
| 596 | ;; |
|---|
| 597 | 'help'|'h'|'?') |
|---|
| 598 | usage |
|---|
| 599 | ;; |
|---|
| 600 | *) |
|---|
| 601 | failure "Unknown command: '$COMMAND' |
|---|
| 602 | Type '$CMD help' for usage." |
|---|
| 603 | ;; |
|---|
| 604 | esac |
|---|
