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#!/bin/sh
# Copyright 2012,2013 Holger Levsen <holger@layer-acht.org>
# Copyright 2013 Antonio Terceiro <terceiro@debian.org>
# released under the GPLv=2
# $1 = base distro
# $2 $3 ... = command to run inside a clean chroot running the distro in $1
set -e
export LC_ALL=C
# Defaults for the jenkins.debian.net environment
if [ -z "$MIRROR" ]; then
export MIRROR=http://ftp.de.debian.org/debian
fi
if [ -z "$http_proxy" ]; then
export http_proxy="http://localhost:3128"
fi
if [ -z "$CHROOT_BASE" ]; then
export CHROOT_BASE=/chroots
fi
if [ $# -lt 2 ]; then
echo "usage: $0 DISTRO CMD [ARG1 ARG2 ...]"
exit 1
fi
DISTRO="$1"
shift
if [ ! -d "$CHROOT_BASE" ]; then
echo "Directory $CHROOT_BASE does not exist, aborting."
exit 1
fi
export CHROOT_TARGET=$(mktemp -d -p $CHROOT_BASE/ chroot-run-$DISTRO.XXXXXXXXX)
if [ -z "$CHROOT_TARGET" ]; then
echo "Could not create a directory to create the chroot in, aborting."
exit 1
fi
export CURDIR=$(pwd)
export SCRIPT_HEADER="#!/bin/bash
set -x
set -e
export DEBIAN_FRONTEND=noninteractive
export LC_ALL=C
export http_proxy=$http_proxy"
bootstrap() {
sudo debootstrap $DISTRO $CHROOT_TARGET $MIRROR
cat > $CHROOT_TARGET/tmp/chroot-prepare <<-EOF
$SCRIPT_HEADER
mount /proc -t proc /proc
echo -e '#!/bin/sh\nexit 101' > /usr/sbin/policy-rc.d
chmod +x /usr/sbin/policy-rc.d
echo 'Acquire::http::Proxy "$http_proxy";' > /etc/apt/apt.conf.d/80proxy
echo "deb-src $MIRROR $DISTRO main" >> /etc/apt/sources.list
apt-get update
EOF
chmod +x $CHROOT_TARGET/tmp/chroot-prepare
sudo chroot $CHROOT_TARGET /tmp/chroot-prepare
}
cleanup() {
if [ -d $CHROOT_TARGET/proc ]; then
sudo umount -l $CHROOT_TARGET/proc || fuser -mv $CHROOT_TARGET/proc
fi
if [ -d $CHROOT_TARGET/testrun ]; then
sudo umount -l $CHROOT_TARGET/testrun || fuser -mv $CHROOT_TARGET/testrun
fi
if [ -d $CHROOT_TARGET ]; then
sudo rm -rf --one-file-system $CHROOT_TARGET || fuser -mv $CHROOT_TARGET
fi
}
trap cleanup INT TERM EXIT
run() {
sudo chroot $CHROOT_TARGET mkdir /testrun
sudo mount --bind $CURDIR $CHROOT_TARGET/testrun
cat > $CHROOT_TARGET/tmp/chroot-testrun <<-EOF
$SCRIPT_HEADER
cd /testrun
$@
EOF
chmod +x $CHROOT_TARGET/tmp/chroot-testrun
sudo chroot $CHROOT_TARGET /tmp/chroot-testrun
}
bootstrap
run "$@"
cleanup
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