live-build/examples/cron/snapshots.sh

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#!/bin/sh
# Needs: build-essential fakeroot lsb-release svn [...]
# Static variables
PACKAGES="live-helper live-initramfs live-initscripts live-magic live-webhelper"
DEBEMAIL="debian-live-devel@lists.alioth.debian.org"
EMAIL="debian-live-devel@lists.alioth.debian.org"
DEBFULLNAME="Debian Live Autobuilder"
NAME="Debian Live Autobuilder"
export DEBEMAIL EMAIL DEBFULLNAME NAME
TEMPDIR="/srv/tmp/snapshots"
SERVER="/srv/debian-unofficial/ftp/debian-live-snapshots"
DATE_START="`date -R`"
# Checking lock file
if [ -f "${SERVER}"/Archive-Update-in-Progress ]
then
echo "E: locked."
exit 1
fi
# Creating server directory
if [ ! -d "${SERVER}" ]
then
mkdir -p "${SERVER}"
fi
# Creating lock trap
trap "test -f ${SERVER}/Archive-Update-in-Progress && rm -f ${SERVER}/Archive-Update-in-Progress; exit 0" 0 1 2 3 9 15
# Creating lock file
echo "${DATE_START}" > "${SERVER}"/Archive-Update-in-Progress
echo "`date +%b\ %d\ %H:%M:%S` ${HOSTNAME} live-helper: begin snapshot build." >> /var/log/live
# Processing packages
for PACKAGE in ${PACKAGES}
do
# Cleaning build directory
if [ -d "${TEMPDIR}" ]
then
rm -rf "${TEMPDIR}"
fi
# Creating build directory
mkdir -p "${TEMPDIR}"
# Getting sources
cd "${TEMPDIR}"
svn co svn://svn.debian.org/debian-live/dists/trunk/${PACKAGE} ${PACKAGE}
# Getting version
cd "${TEMPDIR}"/${PACKAGE}
VERSION="`dpkg-parsechangelog | awk '/Version:/ { print $2 }' | awk -F- '{ print $1 }'`"
# Getting revision
cd "${TEMPDIR}"/${PACKAGE}
REVISION="`svn info | awk '/Last Changed Rev:/ { print $4 }'`"
# Check for existing package
if [ ! -f "${SERVER}"/${PACKAGE}_${VERSION}~${REVISION}.dsc ] || [ "${1}" = "--force" ]
then
UPDATE_INDICES="true"
# Renaming directory
mv "${TEMPDIR}"/${PACKAGE} "${TEMPDIR}"/${PACKAGE}-${VERSION}~${REVISION}
# Building package
cd "${TEMPDIR}"/${PACKAGE}-${VERSION}~${REVISION}
find . -type d -name .svn | xargs rm -rf
dch --force-bad-version --newversion ${VERSION}~${REVISION} --distribution UNRELEASED Autobuild snapshot of SVN r${REVISION}.
dpkg-buildpackage -rfakeroot -sa -uc -us
# Removing sources
rm -rf "${TEMPDIR}"/${PACKAGE}-${VERSION}~${REVISION}
# Creating directory
mkdir -p "${SERVER}"
# Removing old packages
for FILE in `awk {'print $5'} "${SERVER}"/"${PACKAGE}"*.changes | grep -e ".*\.deb$" -e ".*\.diff.gz$" -e ".*\.dsc$" -e ".*\.tar.gz$" -e ".*\.udeb$"`
do
rm -f "${SERVER}"/"${FILE}"
done
rm -f "${SERVER}"/"${PACKAGE}"*.changes
# Installing new packages
for FILE in `awk {'print $5'} "${TEMPDIR}"/"${PACKAGE}"*.changes | grep -e ".*\.deb$" -e ".*\.diff.gz$" -e ".*\.dsc$" -e ".*\.tar.gz$" -e ".*\.udeb$"`
do
mv "${TEMPDIR}"/"${FILE}" "${SERVER}"
done
mv "${TEMPDIR}"/"${PACKAGE}"*.changes "${SERVER}"
else
# Remove sources
rm -rf "${TEMPDIR}"/${PACKAGE}
fi
done
if [ "${UPDATE_INDICES}" = "true" ]
then
LAST_UPDATE="`date -R`"
cd "${SERVER}"
# Updating binary indices
apt-ftparchive packages ./ > Packages
gzip -9 -c Packages > Packages.gz
# Updating source indices
apt-ftparchive sources ./ > Sources
gzip -9 -c Sources > Sources.gz
fi
# Reading timestamp
if [ -z "${LAST_UPDATE}" ]
then
LAST_UPDATE="`awk -F: '/Last update:/ { print $2":"$3":"$4 }' ${SERVER}/LAST_BUILD | sed -e 's/ //'`"
fi
# Writing timestamp
cat > "${SERVER}"/LAST_BUILD << EOF
Last run begin: ${DATE_START}
Last run end: `date -R`
Last update: ${LAST_UPDATE}
EOF
# Removing build directory
rm -rf "${TEMPDIR}"
echo "`date +%b\ %d\ %H:%M:%S` ${HOSTNAME} live-helper: end snapshot build." >> /var/log/live