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#!/bin/bash
GEOFABRICK_SERVER=http://download.geofabrik.de/asia/taiwan-updates
PBF_FILE=$1
# get latest sequence number
echo Fetching the latest sequence number
LATEST_SEQ=$(curl --silent http://download.geofabrik.de/asia/taiwan-updates/state.txt |\
tail -1 | cut -d'=' -f2)
echo Latest sequence number is $LATEST_SEQ
# get current sequence number
SEQ=$(osmium fileinfo $PBF_FILE |\
grep osmosis_replication_sequence_number |\
cut -d'=' -f2)
echo File sequence number is $SEQ
# while server has osc file with given sequence number,
# get it and do file update
while
(( SEQ++ ))
[ $SEQ -le $LATEST_SEQ ]
do
mkdir -p changes
SEQ_PATH=$(echo $SEQ | sed -r 's/(.{1})(.{3})/00\1\/\2/')
CHANGE_URL=$GEOFABRICK_SERVER/000/$SEQ_PATH.osc.gz
echo $CHANGE_URL
curl -o changes/$SEQ.osc.gz $CHANGE_URL && \
osmium apply-changes $PBF_FILE changes/$SEQ.osc.gz \
--output-header=osmosis_replication_sequence_number=$SEQ \
--overwrite \
--output $SEQ.osm.pbf
mv $PBF_FILE $((SEQ-1)).osm.pbf
mv $SEQ.osm.pbf $PBF_FILE
done
echo
echo File sequence number is $((SEQ-1)), already the latest one on Geofrbrik
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