#! /bin/sh

# This script builds the POT file with the translatable texts from the Rust sources

# NOTE: The Rust input file format requires a newer version of the GNU gettext,
# for running in openSUSE Leap or in SLE use the --container switch
# which runs a newer gettext in an openSUSE Tumbleweed container.

# path to this script
DIR="$(dirname "$0")"

if [ "$1" = "--container" ]; then
  shift
  OUTPUT="${1:-agama.pot}"
  # run the container script instead of the standard "xgettext" command
  XGETTEXT=../devel/xgettext/xgettext.sh
  exec "$DIR"/../devel/xgettext/run.sh "$0" "$OUTPUT" "$XGETTEXT"
fi

# always run in the directory of this script to ensure the file paths
# saved in the POT file are always the same
cd "$DIR" || exit

OUTPUT="${1:-agama.pot}"
XGETTEXT="${2:-xgettext}"

# In this complex invocation, the order of option is roughly
# from generic to specific.
# (putting this to a function enables putting the above comment close to the code,
# unlike in the pipeline)
call_xgettext() {
  $XGETTEXT \
    --files-from=- \
    --output="$OUTPUT" \
    --sort-by-file \
    --from-code=UTF-8 \
    --foreign-user --copyright-holder="SuSE Linux Products GmbH, Nuernberg" \
    --add-comments=TRANSLATORS \
    --default-domain=agama \
    --language=Rust \
    --keyword=gettext \
    --keyword=gettext_noop \
    --keyword=i18n_format!
}

find . \
  -path './target*' \
  -prune \
  -o \
  -name '*.rs' \
  -print |
call_xgettext