| 1 | #!/bin/sh |
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| 2 | |
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| 3 | # Usage: make-chroot SUITE ARCH |
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| 4 | |
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| 5 | # Constructs a chroot environment for the Debian/Ubuntu version SUITE |
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| 6 | # and architecture ARCH, and sets up schroot configuration for it. |
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| 7 | # Assumes an approx cache is running at localhost:9999. |
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| 8 | |
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| 9 | BZ2=0 |
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| 10 | if [ "$1" = "-z" ]; then |
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| 11 | BZ2=1 |
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| 12 | shift |
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| 13 | fi |
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| 14 | |
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| 15 | set -xe |
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| 16 | |
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| 17 | : ${CHROOTDIR=/srv} |
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| 18 | : ${MIRRORHOST=localhost:9999} |
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| 19 | SUITE=$1 |
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| 20 | ARCH=$2 |
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| 21 | CHROOT="${SUITE}-${ARCH}-sbuild" |
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| 22 | FILE="$CHROOTDIR"/"$CHROOT".tar |
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| 23 | [ $BZ2 -eq 1 ] && FILE="${FILE}.bz2" |
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| 24 | SIZE=4G |
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| 25 | |
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| 26 | exittrap() { :; } |
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| 27 | for sig in 1 2 13 15; do trap "exit $(($sig + 128))" $sig; done |
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| 28 | trap 'exittrap' EXIT |
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| 29 | |
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| 30 | if fgrep -qxRs "[$CHROOT]" /etc/schroot/schroot.conf /etc/schroot/chroot.d; then |
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| 31 | echo "Chroot $CHROOT already exists." >&2 |
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| 32 | exit 1 |
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| 33 | fi |
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| 34 | if [ -e "$FILE" ]; then |
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| 35 | echo "Chroot tarball $FILE already exists." >&2 |
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| 36 | exit 1 |
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| 37 | fi |
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| 38 | |
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| 39 | if [ -d /etc/schroot/chroot.d ]; then |
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| 40 | CONF=/etc/schroot/chroot.d/$CHROOT |
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| 41 | else |
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| 42 | CONF=/etc/schroot/schroot.conf |
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| 43 | fi |
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| 44 | |
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| 45 | if [ "$ARCH" = "i386" ]; then |
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| 46 | PERSONALITY=linux32 |
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| 47 | elif [ "$ARCH" = "amd64" ]; then |
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| 48 | PERSONALITY=linux |
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| 49 | else |
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| 50 | echo "Unrecognized architecture $ARCH." >&2 |
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| 51 | exit 1 |
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| 52 | fi |
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| 53 | |
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| 54 | DATA="$(dirname "$0")" |
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| 55 | |
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| 56 | SOURCESD="$DATA/sources.list.d" |
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| 57 | if [ -e "$SOURCESD/debian/$SUITE.list" ]; then |
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| 58 | SOURCES="$SOURCESD/debian/$SUITE.list" |
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| 59 | MIRROR="http://$MIRRORHOST/debian" |
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| 60 | elif [ -e "$SOURCESD/ubuntu/$SUITE.list" ]; then |
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| 61 | SOURCES="$SOURCESD/ubuntu/$SUITE.list" |
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| 62 | MIRROR="http://$MIRRORHOST/ubuntu" |
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| 63 | else |
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| 64 | echo "Unrecognized suite $SUITE." >&2 |
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| 65 | exit 1 |
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| 66 | fi |
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| 67 | |
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| 68 | exittrap() { rm -rf "$TMPDIR" || :; } |
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| 69 | TMPDIR=$(mktemp -d /var/tmp/make-chroot.XXXXXX) |
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| 70 | TARGET="$TMPDIR/root" |
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| 71 | debootstrap --variant=buildd --include=apt,apt-utils,gnupg,build-essential,fakeroot --arch "$ARCH" "$SUITE" "$TARGET" "$MIRROR" |
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| 72 | install -m a=rx,u+w "$DATA/policy-rc.d" "$TARGET/usr/sbin/" |
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| 73 | mkdir -p "$TARGET/dev/pts" |
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| 74 | # /dev/shm is a symlink to /run/shm on modern distros |
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| 75 | # So if it's not a symlink, then mkdir (and fail if it's something |
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| 76 | # that's not a symlink or a directory) |
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| 77 | [ -L "$TARGET/dev/shm" ] || mkdir -p "$TARGET/dev/shm" |
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| 78 | mkdir -p "$TARGET/afs" |
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| 79 | mkdir -p "$TARGET/mit" |
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| 80 | TAROPTS="cf" |
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| 81 | [ $BZ2 -eq 1 ] && TAROPTS="cjf" |
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| 82 | (cd "$TMPDIR" && tar "$TAROPTS" "$FILE" --numeric-owner root) |
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| 83 | rm -rf "$TMPDIR" |
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| 84 | exittrap() { :; } |
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| 85 | |
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| 86 | ! [ -s "$CONF" ] || echo >> "$CONF" |
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| 87 | cat >> "$CONF" <<EOF |
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| 88 | [$CHROOT] |
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| 89 | type=file |
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| 90 | description=$CHROOT |
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| 91 | groups=root,sbuild |
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| 92 | root-groups=root,sbuild |
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| 93 | source-groups=root |
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| 94 | file=$FILE |
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| 95 | location=/root |
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| 96 | personality=$PERSONALITY |
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| 97 | EOF |
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| 98 | |
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| 99 | schroot --chroot="${CHROOT}-source" --directory=/ -- /bin/sh -xe - \ |
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| 100 | 8< "$SOURCES" \ |
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| 101 | 9< "$DATA/debathena-archive.asc" \ |
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| 102 | <<EOF |
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| 103 | #/debootstrap/debootstrap --second-stage |
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| 104 | dpkg-divert --local --rename --add /sbin/initctl |
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| 105 | ln -s /bin/true /sbin/initctl |
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| 106 | debconf-set-selections <<SELECTIONS |
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| 107 | debconf debconf/frontend select Noninteractive |
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| 108 | SELECTIONS |
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| 109 | sed "s|MIRRORHOST|$MIRRORHOST|" <&8 > /etc/apt/sources.list |
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| 110 | ! type apt-key >/dev/null || apt-key add - <&9 |
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| 111 | apt-get -q -y update |
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| 112 | apt-get -q -y dist-upgrade |
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| 113 | EOF |
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