1 files changed, 18 insertions, 18 deletions

diff --git a/scripts/osm/osm.pbf.update b/scripts/osm/osm.pbf.update
index 9dec41c..8c10d5b 100755
--- a/scripts/osm/osm.pbf.update
+++ b/scripts/osm/osm.pbf.update
@@ -3,34 +3,34 @@
 GEOFABRICK_SERVER=http://download.geofabrik.de/asia/taiwan-updates
 PBF_FILE=$1
 
-# get next sequence number and store it into NEW_SEQ
-NEW_SEQ=$(osmium fileinfo $PBF_FILE |\
-          grep osmosis_replication_sequence_number |\
-          cut -d'=' -f2 |\
-          sed 's/$/+1/' | bc)
+# get latest sequence number
+echo Fetching latest sequence number
+LATEST_SEQ=$(curl --silent http://download.geofabrik.de/asia/taiwan-updates/state.txt |\
+             tail -1 | cut -d'=' -f2)
+
+# get current sequence number
+SEQ=$(osmium fileinfo $PBF_FILE |\
+      grep osmosis_replication_sequence_number |\
+      cut -d'=' -f2)
 
 # while server has osc file with given sequence number,
 # get it and do file update
 while
-    SEQ_PATH=$(echo $NEW_SEQ | sed -r 's/(.{1})(.{3})/00\1\/\2/')
-    STATE_URL=$GEOFABRICK_SERVER/000/$SEQ_PATH.state.txt
-    echo check state file exists:
-    echo $STATE_URL
-    [ $(curl -o /dev/null --silent -Iw "%{http_code}" $STATE_URL) != "404" ]
+    (( SEQ++ ))
+    [ $SEQ -le $LATEST_SEQ ]
 do
     mkdir -p changes
     CHANGE_URL=$GEOFABRICK_SERVER/000/$SEQ_PATH.osc.gz
     echo $CHANGE_URL
-    curl -o changes/$NEW_SEQ.osc.gz $CHANGE_URL && \
-    osmium apply-changes $PBF_FILE changes/$NEW_SEQ.osc.gz \
-        --output-header=osmosis_replication_sequence_number=$NEW_SEQ \
+    curl -o changes/$SEQ.osc.gz $CHANGE_URL && \
+    osmium apply-changes $PBF_FILE changes/$SEQ.osc.gz \
+        --output-header=osmosis_replication_sequence_number=$SEQ \
         --overwrite \
-        --output $NEW_SEQ.osm.pbf
+        --output $SEQ.osm.pbf
 
-    mv $PBF_FILE $((NEW_SEQ-1)).osm.pbf
-    mv $NEW_SEQ.osm.pbf $PBF_FILE
-    (( NEW_SEQ++ ))
+    mv $PBF_FILE $((SEQ-1)).osm.pbf
+    mv $SEQ.osm.pbf $PBF_FILE
 done
 
 echo
-echo File sequence number is $((NEW_SEQ-1)), already the latest one on Geofrbrik
+echo File sequence number is $((SEQ-1)), already the latest one on Geofrbrik