From 1d3508f66fddf3f8c6416e59ab9fbde405dbcf25 Mon Sep 17 00:00:00 2001
From: typebrook <typebrook@gmail.com>
Date: Sun, 17 Nov 2019 09:18:07 +0800
Subject: update

---
 scripts/osm/osm.pbf.update | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 scripts/osm/osm.pbf.update

(limited to 'scripts/osm/osm.pbf.update')

diff --git a/scripts/osm/osm.pbf.update b/scripts/osm/osm.pbf.update
new file mode 100644
index 0000000..694ae4d
--- /dev/null
+++ b/scripts/osm/osm.pbf.update
@@ -0,0 +1,30 @@
+    PBF_FILE=$1
+    GEOFABRICK_SERVER=http://download.geofabrik.de/asia/taiwan-updates
+
+    # get next sequence number and store it into NEW_SEQ
+    osmium fileinfo $PBF_FILE | \
+    grep osmosis_replication_sequence_number | \
+    cut -d'=' -f2 | \
+    sed 's/$/+1/' | bc | \
+    read NEW_SEQ
+
+    # 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 $STATE_URL
+        [ $(curl.code $STATE_URL) != "404" ]
+    do
+        mkdir -p changes
+        CHANGE_URL=$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 \
+            --overwrite \
+            --output $NEW_SEQ.osm.pbf
+
+        PBF_FILE=$NEW_SEQ.osm.pbf
+        ((NEW_SEQ++))
+    done
-- 
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