update-snapshot

#!/bin/sh

LOCKFILE_PATH=/opt/buildbot/update-snapshot.lock
LASTUPDATE_PATH=/opt/buildbot/update-snapshot.lastupdate
SCRIPT_PATH=$(dirname $0)
TARBALL_PATH=/opt/buildbot/lsb-master
TOP_PATH=/opt/buildbot/ftpdir
SNAPSHOT_PATH=pub/lsb/snapshots
REPOSITORY_PATH=pub/lsb/repositories
STAGING_PATH=pub/lsb/staging
UPLOAD_TARGET=/srv/ftp

BZR_PROGRESS_BAR=none
FTP_ROOT=$TOP_PATH
BUILD_DEBIAN=yes
LSB_VERSION=snapshot
export BZR_PROGRESS_BAR FTP_ROOT BUILD_DEBIAN LSB_VERSION

# Make sure only one of this script runs at a time.

echo $$ > $LOCKFILE_PATH.$$ 2>/dev/null || exit 1
ln $LOCKFILE_PATH.$$ $LOCKFILE_PATH 2>/dev/null || {
    kill -0 $(cat $LOCKFILE_PATH) 2> /dev/null || {
	rm -f $LOCKFILE_PATH
    }
    rm -f $LOCKFILE_PATH.$$
    exit 0
}

rm -f $LOCKFILE_PATH.$$

# Check that there's a real update needed; incron isn't smart enough
# to only fire on actual tarball uploads.

if [ -f $LASTUPDATE_PATH ]; then
    if [ $(find $TARBALL_PATH -name '*tar.gz' -newer $LASTUPDATE_PATH -print \
           | wc -l) -eq 0 ]; then
	rm -f $LOCKFILE_PATH
	exit 0
    fi
fi

# Record the last update time.  We do this here to minimize the race
# condition between the above check and new uploads, so that a newly
# finished job doesn't slip through the cracks.

touch $LASTUPDATE_PATH

# Actually do the updates.  Snapshot first.

$SCRIPT_PATH/update-snapshot-sdk
$SCRIPT_PATH/update-snapshot-prj

# Create snapshot repositories.

cd $TOP_PATH
bzr checkout -q http://bzr.linuxfoundation.org/lsb/devel/repogen
cd repogen
make -s snapshot
make -s install-snapshot
cd ..
rm -rf repogen

# Staging.

$SCRIPT_PATH/update-staging

# Send updates to the FTP site.

cd $TOP_PATH/$SNAPSHOT_PATH
rsync -a --delete * $UPLOAD_TARGET/$SNAPSHOT_PATH
if [ -d $TOP_PATH/$STAGING_PATH ]; then
    cd $TOP_PATH/$STAGING_PATH
    rsync -a --delete * $UPLOAD_TARGET/$STAGING_PATH
fi
cd $TOP_PATH/$REPOSITORY_PATH/rpm
rsync -a --delete lsb-snapshot $UPLOAD_TARGET/pub/lsb/repositories/rpm
if [ -d $TOP_PATH/$REPOSITORY_PATH/debian ]; then
    cd $TOP_PATH/$REPOSITORY_PATH/debian
    rsync -a --delete pkgs-snapshot $UPLOAD_TARGET/pub/lsb/repositories/debian
    cd dists
    rsync -a --delete lsb-snapshot $UPLOAD_TARGET/pub/lsb/repositories/debian/dists
fi

# Release the lock.

rm -f $LOCKFILE_PATH