#!/usr/bin/env nix-shell
#!nix-shell -i bash -p feeds.update-feed -p gnused

source=
passthruArgs=()
for arg in "$@"; do
  case $arg in
    (--*)
      passthruArgs+=("$arg")
      ;;
    (*)
      if [ -z "$source" ]; then
        source="$arg"
      else
        passthruArgs+=("$arg")
      fi
  esac
done

sources_dir=modules/data/feeds/sources
# prettify the URL, by default
name=$( \
  echo "$source" \
  | sed 's|^https://||' \
  | sed 's|^http://||' \
  | sed 's|^www\.||' \
  | sed 's|/+$||' \
)
json_path="$sources_dir/$name/default.json"

# the name could have slashes in it, so we want to mkdir -p that
# but in a way where the least could go wrong.
pushd "$sources_dir"; mkdir -p "$name"; popd

update-feed "$name" "$json_path" "${passthruArgs[@]}"
cat "$json_path"