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#!/bin/sh
#
#  Taginfo source: Languages
#
#  update.sh DIR
#

set -e

DIR=$1
REGISTRY_URL="http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry"
REGISTRY_FILE="$DIR/language-subtag-registry"
CLDR_URL="http://unicode.org/Public/cldr/latest/core.zip"
CLDR_FILE="$DIR/cldr-core.zip"
CLDR_DIR="$DIR/cldr"
UNICODE_SCRIPTS_URL="http://www.unicode.org/Public/UNIDATA/Scripts.txt"
UNICODE_SCRIPTS_FILE="$DIR/Scripts.txt"
PROPERTY_ALIASES_URL="http://www.unicode.org/Public/UNIDATA/PropertyValueAliases.txt"
PROPERTY_ALIASES_FILE="$DIR/PropertyValueAliases.txt"

DATECMD='date +%Y-%m-%dT%H:%M:%S'

update_file() {
    file=$1
    url=$2

    if curl --silent --fail --location --time-cond $file --output $file $url; then
        return 0
    else
        error=$?
        if [ "$error" = "22" ]; then
            echo "WARNING: Getting ${url} failed. Using old version."
        else
            echo "ERROR: Could not get ${url}: curl error: $error"
            exit 1
        fi
    fi
}

if [ "x" = "x$DIR" ]; then
    echo "Usage: update.sh DIR"
    exit 1
fi

echo "`$DATECMD` Start languages..."

EXEC_RUBY="$TAGINFO_RUBY"
if [ "x$EXEC_RUBY" = "x" ]; then
    EXEC_RUBY=ruby
fi
echo "Running with ruby set as '${EXEC_RUBY}'"

DATABASE=$DIR/taginfo-languages.db

rm -f $DATABASE

echo "`$DATECMD` Running init.sql..."
sqlite3 $DATABASE <../init.sql

echo "`$DATECMD` Running pre.sql..."
sqlite3 $DATABASE <pre.sql

echo "`$DATECMD` Getting subtag registry..."
update_file $REGISTRY_FILE $REGISTRY_URL

echo "`$DATECMD` Running subtag import..."
$EXEC_RUBY ./import_subtag_registry.rb $DIR

echo "`$DATECMD` Getting CLDR..."
update_file $CLDR_FILE $CLDR_URL

echo "`$DATECMD` Unpacking CLDR..."
rm -fr $CLDR_DIR
mkdir $CLDR_DIR
unzip -q -d $CLDR_DIR $CLDR_FILE

echo "`$DATECMD` Getting unicode scripts..."
update_file $UNICODE_SCRIPTS_FILE $UNICODE_SCRIPTS_URL
update_file $PROPERTY_ALIASES_FILE $PROPERTY_ALIASES_URL

echo "`$DATECMD` Running unicode scripts import..."
$EXEC_RUBY ./import_unicode_scripts.rb $DIR

echo "`$DATECMD` Running post.sql..."
sqlite3 $DATABASE <post.sql

echo "`$DATECMD` Done languages."