update_database.sh

#!/bin/bash -xv

### Country list
# CHANGE WITH YOUR COUNTRIES
COUNTRIES="europe/france/guadeloupe europe/france/guyane europe/france/mayotte europe/france/martinique europe/france/reunion europe/france"
# SMALL SUBSET FOR TESTING:
COUNTRIES="europe/france/guyane europe/france/mayotte"
NOMINATIM="/var/www/Nominatim"
cd $NOMINATIM/data

INDEX=0 # false

### Foreach country check if configuration exists (if not create one) and then import the diff
for COUNTRY in $COUNTRIES;
do
    DIR="$NOMINATIM/updates/$COUNTRY"
    FILE="$DIR/configuration.txt"
    if [ ! -f ${FILE} ];
    then
        /bin/mkdir -p ${DIR}
        /usr/bin/osmosis --rrii workingDirectory=${DIR}/.
        /bin/echo baseUrl=http://download.geofabrik.de/${COUNTRY}-updates > ${FILE}
        /bin/echo maxInterval = 0 >> ${FILE}
        cd ${DIR}
        /usr/bin/wget http://download.geofabrik.de/${COUNTRY}-updates/state.txt
    fi

    FILENAME=${COUNTRY//[\/]/_}
    /usr/bin/osmosis --rri workingDirectory=${DIR}/. --wxc ${DIR}/${FILENAME}.osc.gz

    ### Foreach diff files do the import
    cd ${NOMINATIM}/updates
    # NEXT LINE MAY NOT BE NEEDED - FILE SEEMS EMPTY
    LIST=$DIR/*.osc.gz
    LIST2=*.osc.gz
    LIST="$LIST $LIST2"
    for OSC in $LIST;
    do
        if [ -f ${OSC} ];
        then
           ${NOMINATIM}/utils/update.php --import-diff ${OSC} --no-npi
           rm ${OSC}
           INDEX=1
        fi
    done
done



### Re-index if needed
if ((${INDEX}));
then
    ${NOMINATIM}/utils/update.php --index
fi

### Remove all diff files
#rm -f ${NOMINATIM}/updates/*.osc.gz
#rm -f ${NOMINATIM}/updates/*/*.osc.gz
#rm -f ${NOMINATIM}/updates/*/*/*.osc.gz

Here is a little update: https://gist.github.com/RhinoDevel/8a35ebd2a08166f328eca01ab005c6de