update_pot.sh

#!/bin/bash
PO_DIR=$(dirname "$(realpath "$0")")
PROJ_DIR="$PO_DIR/.."
OUT_FILE="$PO_DIR/AdwSteamGtk.pot"
MESON_FILE="$PROJ_DIR/meson.build"

PKG_VER=$(grep -oP "(?<=version: \')[0-9]+\.[0-9]+\.[0-9]+" "$MESON_FILE")

if [[ ! $PKG_VER =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
	echo "Invalid PKG VERSION: $PKG_VER"
	exit 1
else
	echo "PKG VERSION: $PKG_VER"
fi

cd "$PROJ_DIR" || exit

xgettext \
	-f "$PO_DIR"/POTFILES \
	-o "$OUT_FILE" \
	--add-comments=Translators \
	--from-code=UTF-8 \
	--keyword=C_:1c,2 \
	--keyword=_ \
	--package-name="AdwSteamGtk" \
	--package-version="$PKG_VER"

sed -i \
	-e "s/FIRST AUTHOR <EMAIL@ADDRESS>, YEAR./Foldex, $(date +%Y)./" \
	-e "s/Language: /Language: EDIT_LANG_HERE/" \
	-e "s/SOME DESCRIPTIVE TITLE./AdwSteamGtk Pot/" \
	-e "s/YEAR THE PACKAGE'S COPYRIGHT HOLDER/$(date +%Y) Foldex/" \
	-e "s/charset=CHARSET/charset=UTF-8/" \
	-e "s/same license as the AdwSteamGtk package./GNU GPLv3 license./" \
	"$OUT_FILE"