Fix up locale generator to exit on error instead of ignoring it, handle filenames better (#2422)

Don't mix tabs and spaces, use tabs, just like the main script

archinstall/locales/locales_generator.sh

@@ -1,49 +1,48 @@
-#!/bin/bash
+#!/usr/bin/env bash
+set -euo pipefail
 
 cd $(dirname "$0")/..
 
 function update_lang() {
-  file=$1
+	file=${1}
 
-	echo "Updating: $file"
-	path=$(dirname $file)
-	msgmerge --quiet --no-location --width 512 --backup none --update $file locales/base.pot
-	msgfmt -o $path/base.mo $file
+	echo "Updating: ${file}"
+	path=$(dirname "${file}")
+	msgmerge --quiet --no-location --width 512 --backup none --update "${file}" locales/base.pot
+	msgfmt -o "${path}/base.mo" "${file}"
 }
 
 
 function generate_all() {
-  for file in $(find locales/ -name "base.po"); do
-    update_lang "$file"
-  done
+	for file in $(find locales/ -name "base.po"); do
+		update_lang "${file}"
+	done
 }
 
 function generate_single_lang() {
-  lang_file="locales/$1/LC_MESSAGES/base.po"
+	lang_file="locales/${1}/LC_MESSAGES/base.po"
 
-  if [ ! -f "$lang_file" ]; then
-    echo "Language files not found: $lang_file"
-    exit 1
-  fi
+	if [ ! -f "${lang_file}" ]; then
+		echo "Language files not found: ${lang_file}"
+		exit 1
+	fi
 
-  update_lang "$lang_file"
+	update_lang "${lang_file}"
 }
 
 
-
-if [ $# -eq 0 ]
-  then
-    echo "Usage: locales_generator.sh <language_abbr>"
-    exit 1
+if [ $# -eq 0 ]; then
+	echo "Usage: ${0} <language_abbr>"
+	echo "Special case 'all' for <language_abbr> builds all languages."
+	exit 1
 fi
 
-lang=$1
+lang=${1}
 
-# Update the base file containing all translatable string
+# Update the base file containing all translatable strings
 find . -type f -iname "*.py" | xargs xgettext --join-existing --no-location --omit-header -d base -o locales/base.pot
 
-case "$lang" in
-  "all") generate_all
-  ;;
-  *) generate_single_lang "$lang"
+case "${lang}" in
+	"all") generate_all;;
+	*) generate_single_lang "${lang}"
 esac