Load GTFS as GPKG with GDAL 3.7

gtfs-to-gpkg.sh

#!/usr/bin/env bash
# You need GDAL 3.7 to get GTFS driver supported and also -json option for ogrinfo (since 3.6 for this particular feature)
# To override, do something like
# gpkg_output_name=tutu.gpkg gtfs_path_or_url=mygtfs.zip bash gtfs-to-gpkg.sh
gtfs_path_or_url="${gtfs_path_or_url:-/vsicurl/https://eu.ftp.opendatasoft.com/stif/GTFS/IDFM-gtfs.zip}"
gpkg_output_name="${gpkg_output_name:-idfm-gtfs.gpkg}"

cmd=gdalinfo
if [ -x "$(command -v "$cmd")" ]; then
    echo "Notice: $cmd is in \$PATH"
else
    echo "Error: $cmd is not in \$PATH"
    echo "Be sure to have GDAL installed"
    exit
fi

gdal_version=$(gdalinfo --version | cut -d ',' -f1 | cut -d ' ' -f2)
gdal_version_as_number=$(echo $gdal_version | cut -d '.' -f1,2)
min_version=3.7

if (( $(echo "$gdal_version_as_number < $min_version" | bc -l) )); then
    echo "Error: You need GDAL version 3.7 or higher"
    exit
else
    echo "Notice: GDAL version is $gdal_version"
fi


layers=$(ogrinfo -json -nocount -noextent -nogeomtype "$gtfs_path_or_url" | jq -r .layers[].name)

INDEX=0
for layer in $layers; do 
    echo $layer
    if [ "${INDEX}" == 0 ]
    then
        gdal_update="";
    else
        gdal_update="-update"
    fi
    ogr2ogr -f "GPKG" $gpkg_output_name $gdal_update "$gtfs_path_or_url" $layer
    let INDEX=${INDEX}+1
done