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#!/bin/bash
#
# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
#
# Author: Daniel Silverstone <daniel.silverstone@canonical.com>
# Buildd Slave tool to scan a chroot in case any processes are underneath it
## This script uses bashisms, must be run under bash
# Expects build id as arg 1, makes build-id to contain the build
# Needs SUDO to be set to a sudo instance for passwordless access
SUDO=/usr/bin/sudo
BUILDID="$1"
REALHOME=$(cd $HOME && pwd -P)
set -e
exec 2>&1
[ $(id -u) = "0" ] || exec $SUDO $0 "$REALHOME/build-$BUILDID/chroot-autobuild"
echo "Scanning for processes to kill in build $BUILDID..."
PREFIX="$BUILDID"
FOUND=0
for ROOT in /proc/*/root; do
LINK=$(readlink $ROOT)
if [ "x$LINK" != "x" ]; then
if [ "x${LINK:0:${#PREFIX}}" = "x$PREFIX" ]; then
# this process is in the chroot...
PID=$(basename $(dirname "$ROOT"))
kill -9 "$PID"
FOUND=1
fi
fi
done
if [ "x$FOUND" = "x1" ]; then
exec $0 $1
fi
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