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#! /bin/bash
# Update a local mirror of a remote archive using rsync/ssh.
# That's much faster than archive-mirror, but it may also leave the
# mirror in an inconsistent state if the remote archive was in
# transition during the sync.
# This script does not support mirroring a local archive to a remote
# location.
### Configuration ###
if [ -z $BAZ ] ; then
export BAZ=baz
fi
# We have redundant configuration information (that is tested for
# sanity later on) because rsync use a different remote location
# format than tla and we have not implemented the parsing logic.
# Official name of the archive, registered name of the local mirror.
archive=rocketfuel@canonical.com
# Host of the remote archive.
srchost=chinstrap.warthogs.hbd.com
# Absolute path of the remote archive.
srcpath=/home/warthogs/archives/rocketfuel@canonical.com
# Absolute path of the local mirror.
dest=$($BAZ whereis-archive rocketfuel@canonical.com)
### No user-serviceable parts below ###
# Check that the configuration is consistent with the archive registry.
srcurl=sftp://"$srchost""$srcpath"
if test "$($BAZ archive-meta-info $srcurl/name)" != "$archive" ; then
echo "error: source mismatch" >&2 ; exit 1
fi
if test "$($BAZ archive-meta-info $dest/name)" != "$archive" ; then
echo "error: destination mismatch" >&2 ; exit 1
fi
# Perform sync.
# The options --times and --ignore-existing are mere optimizations.
# All the other options are required for proper operation.
rsync --recursive --times --delete --ignore-existing \
--rsh=ssh --verbose --compress --exclude='/=meta-info/' "$@" \
"$srchost":"$srcpath"/ "$dest"
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