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#!/bin/sh
#
# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
# Buildd Slave tool to unpack a chroot tarball
# Expects build id as arg 1, makes build-id to contain the build
# Expects bzip2 compressed tarball as arg 2
# Needs TAR to be set to a gnu tar instance, that needs bzip2
# Needs SUDO to be set to a sudo instance for passwordless access
# BUNZIP2 must un-bzip2
# FILE must implement the -b and -i arguments (so a Debianish file)
export PATH=/usr/bin:/bin:/usr/sbin:/sbin:${PATH}
TAR=tar
SUDO=sudo
BUNZIP2=bunzip2
FILE=file
BUILDID="$1"
TARBALL="$2"
set -e
exec 2>&1
MIMETYPE=$($FILE -bi "$TARBALL")
if [ x"$MIMETYPE" = "xapplication/x-bzip2" ]; then
echo "Uncompressing the tarball..."
$BUNZIP2 -c < "$TARBALL" > "$TARBALL".tmp
mv "$TARBALL".tmp "$TARBALL"
exec $0 "$@"
fi
cd $HOME
cd "build-$BUILDID"
echo "Unpacking chroot for build $BUILDID"
$SUDO $TAR -xf "$TARBALL"
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