208 lines
7.8 KiB
Bash
208 lines
7.8 KiB
Bash
#!/bin/sh
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set -e
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#------------------------------------------------------------------------------
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# AJT - change directory to mod_tile directory so that we can run replag
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# and other things directly from this script when run from cron.
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# Change the actual location to wherever installed locally.
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#------------------------------------------------------------------------------
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export PATH=.:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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ACCOUNT=renderer
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cd /home/$ACCOUNT/src/mod_tile/
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#------------------------------------------------------------------------------
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# Extra OSM2PGSQL_OPTIONS may need setting if a tag transform script is
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# in use. See https://github.com/SomeoneElseOSM/SomeoneElse-style and
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# http://wiki.openstreetmap.org/wiki/User:SomeoneElse/Ubuntu_1404_tileserver_load
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# The database name always needs setting.
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#------------------------------------------------------------------------------
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OSMOSIS_BIN=osmosis
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OSM2PGSQL_BIN=osm2pgsql
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TRIM_BIN=/home/$ACCOUNT/src/regional/trim_osc.py
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DBNAME=gis
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OSM2PGSQL_OPTIONS="-d $DBNAME -G --hstore --tag-transform-script /home/renderer/src/openstreetmap-carto/openstreetmap-carto.lua -C 2048 --number-processes ${THREADS:-4} -S /home/renderer/src/openstreetmap-carto/openstreetmap-carto.style"
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#------------------------------------------------------------------------------
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# When using trim_osc.py we can define either a bounding box (such as this
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# example for England and Wales) or a polygon.
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# See https://github.com/zverik/regional .
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# This area will usually correspond to the data originally loaded.
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#------------------------------------------------------------------------------
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TRIM_POLY_FILE="/var/lib/mod_tile/data.poly"
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TRIM_OPTIONS="-d $DBNAME"
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#TRIM_REGION_OPTIONS="-b -14.17 48.85 2.12 61.27"
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TRIM_REGION_OPTIONS="-p $TRIM_POLY_FILE"
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BASE_DIR=/var/lib/mod_tile
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LOG_DIR=/var/log/tiles/
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WORKOSM_DIR=$BASE_DIR/.osmosis
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LOCK_FILE=/tmp/openstreetmap-update-expire-lock.txt
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CHANGE_FILE=$BASE_DIR/changes.osc.gz
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EXPIRY_FILE=$BASE_DIR/dirty_tiles
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STOP_FILE=$BASE_DIR/stop.txt
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OSMOSISLOG=$LOG_DIR/osmosis.log
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PGSQLLOG=$LOG_DIR/osm2pgsql.log
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EXPIRYLOG=$LOG_DIR/expiry.log
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RUNLOG=$LOG_DIR/run.log
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#------------------------------------------------------------------------------
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# The tile expiry section below can re-render, delete or dirty expired tiles.
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# By default, tiles between EXPIRY_MINZOOM and EXPIRY_MAXZOOM are rerendered.
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# "render_expired" can optionally delete (and/or dirty) tiles above a certail
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# threshold rather than rendering them.
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# Here we expire (but don't immediately rerender) tiles between zoom levels
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# 13 and 18 and delete between 19 and 20.
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#------------------------------------------------------------------------------
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EXPIRY_MINZOOM=13
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EXPIRY_TOUCHFROM=13
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EXPIRY_DELETEFROM=19
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EXPIRY_MAXZOOM=20
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#*************************************************************************
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#*************************************************************************
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m_info()
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{
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echo "[`date +"%Y-%m-%d %H:%M:%S"`] $$ $1" >> "$RUNLOG"
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}
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m_error()
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{
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echo "[`date +"%Y-%m-%d %H:%M:%S"`] $$ [error] $1" >> "$RUNLOG"
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m_info "resetting state"
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/bin/cp $WORKOSM_DIR/last.state.txt $WORKOSM_DIR/state.txt || true
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rm "$CHANGE_FILE" || true
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rm "$EXPIRY_FILE.$$" || true
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rm "$LOCK_FILE"
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exit
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}
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m_ok()
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{
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echo "[`date +"%Y-%m-%d %H:%M:%S"`] $$ $1" >> "$RUNLOG"
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}
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getlock()
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{
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if [ -s $1 ]; then
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if [ "$(ps -p `cat $1` | wc -l)" -gt 1 ]; then
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return 1 #false
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fi
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fi
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echo $$ >"$1"
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return 0 #true
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}
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freelock()
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{
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rm "$1"
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rm "$CHANGE_FILE"
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}
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if [ $# -eq 1 ] ; then
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m_info "Initialising Osmosis replication system to $1"
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mkdir $WORKOSM_DIR
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$OSMOSIS_BIN --read-replication-interval-init workingDirectory=$WORKOSM_DIR 1>&2 2> "$OSMOSISLOG"
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wget "http://replicate-sequences.osm.mazdermind.de/?"$1"T00:00:00Z" -O $WORKOSM_DIR/state.txt
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mv $WORKOSM_DIR/configuration.txt $WORKOSM_DIR/configuration_orig.txt
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sed "s!baseUrl=http://planet.openstreetmap.org/replication/minute!baseUrl=https://planet.openstreetmap.org/replication/minute!" $WORKOSM_DIR/configuration_orig.txt > $WORKOSM_DIR/configuration.txt
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else
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# make sure the lockfile is removed when we exit and then claim it
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if ! getlock "$LOCK_FILE"; then
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m_info "pid `cat $LOCK_FILE` still running"
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exit 3
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fi
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if [ -e $STOP_FILE ]; then
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m_info "stopped"
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exit 2
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fi
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# -----------------------------------------------------------------------------
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# Add disk space check from https://github.com/zverik/regional
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# -----------------------------------------------------------------------------
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MIN_DISK_SPACE_MB=500
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if `python -c "import os, sys; st=os.statvfs('$BASE_DIR'); sys.exit(1 if st.f_bavail*st.f_frsize/1024/1024 > $MIN_DISK_SPACE_MB else 0)"`; then
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m_info "there is less than $MIN_DISK_SPACE_MB MB left"
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exit 4
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fi
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seq=`cat $WORKOSM_DIR/state.txt | grep sequenceNumber | cut -d= -f2`
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m_ok "start import from seq-nr $seq, replag is `osmosis-db_replag -h`"
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/bin/cp $WORKOSM_DIR/state.txt $WORKOSM_DIR/last.state.txt
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m_ok "downloading diff"
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if ! $OSMOSIS_BIN --read-replication-interval workingDirectory=$WORKOSM_DIR --simplify-change --write-xml-change $CHANGE_FILE 1>&2 2> "$OSMOSISLOG"; then
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m_error "Osmosis error"
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fi
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if [ -f $TRIM_POLY_FILE ] ; then
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m_ok "filtering diff"
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/var/lib/mod_tile/data.poly
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if ! $TRIM_BIN $TRIM_OPTIONS $TRIM_REGION_OPTIONS -z $CHANGE_FILE $CHANGE_FILE 1>&2 2>> "$RUNLOG"; then
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m_error "Trim_osc error"
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fi
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else
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m_ok "filtering diff skipped"
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fi
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m_ok "importing diff"
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#------------------------------------------------------------------------------
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# Previously openstreetmap-tiles-update-expire tried to dirty layer
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# "$EXPIRY_MAXZOOM - 3" (which was 15) only. Instead we write all expired
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# tiles in range to the list (note the "-" rather than ":" in the "-e"
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# parameter).
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#------------------------------------------------------------------------------
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if ! $OSM2PGSQL_BIN -a --slim -e$EXPIRY_MINZOOM-$EXPIRY_MAXZOOM $OSM2PGSQL_OPTIONS -o "$EXPIRY_FILE.$$" $CHANGE_FILE 1>&2 2> "$PGSQLLOG"; then
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m_error "osm2pgsql error"
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fi
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#------------------------------------------------------------------------------
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# The lockfile is normally removed before we expire tiles because that is
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# something thatcan be done in parallel with further processing. In order to
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# avoid rework, if actually rerendering is done rather than just deleting or
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# dirtying, it makes sense to move it lower down.
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#------------------------------------------------------------------------------
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# m_ok "Import complete; removing lock file"
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# freelock "$LOCK_FILE"
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m_ok "expiring tiles"
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#------------------------------------------------------------------------------
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# When expiring tiles we need to define the style sheet if it's not "default".
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# In this case it's "ajt".
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# Previously all tiles on the "dirty" list between $EXPIRY_MINZOOM and
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# $EXPIRY_MAXZOOM were dirtied. We currently re-render
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# tiles >= $EXPIRY_MINZOOM and < $EXPIRY_DELETEFROM, expiry from 14 and
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# delete >= $EXPIRY_DELETEFROM and <= $EXPIRY_MAXZOOM.
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# The default path to renderd.sock is fixed.
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#------------------------------------------------------------------------------
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if ! render_expired --map=ajt --min-zoom=$EXPIRY_MINZOOM --touch-from=$EXPIRY_TOUCHFROM --delete-from=$EXPIRY_DELETEFROM --max-zoom=$EXPIRY_MAXZOOM -s /var/run/renderd/renderd.sock < "$EXPIRY_FILE.$$" 2>&1 | tail -8 >> "$EXPIRYLOG"; then
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m_info "Expiry failed"
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fi
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rm "$EXPIRY_FILE.$$"
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#------------------------------------------------------------------------------
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# Only remove the lock file after expiry (if system is slow we want to delay
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# the next import, not have multiple render_expired processes running)
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#------------------------------------------------------------------------------
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freelock "$LOCK_FILE"
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m_ok "Done with import"
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fi
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