libreoffice-i18n: skip pre-installed languages

Closes #4737

srcpkgs/libreoffice-i18n/template

@@ -1,7 +1,7 @@
 # Template file for 'libreoffice-i18n'
 pkgname=libreoffice-i18n
 version=5.2.0
-revision=1
+revision=2
 build_style=meta
 nocross=yes
 hostmakedepends="rpmextract"
@@ -10,6 +10,7 @@ maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="LGPL-3"
 homepage="http://www.documentfoundation.org/"
 _url="http://download.documentfoundation.org/libreoffice/stable/${version}/rpm/x86"
+_skiplang="en-US de es fr it pl pt"
 distfiles="
  ${_url}/LibreOffice_${version}_Linux_x86_rpm_helppack_am.tar.gz
  ${_url}/LibreOffice_${version}_Linux_x86_rpm_helppack_ast.tar.gz
@@ -292,7 +293,8 @@ do_build() {
 		_tarbname="${i##*/}"
 		_tarbname="${_tarbname%*.tar.gz}"
 		_lang="${_tarbname##*_}"
-		echo "Unpacking ${_tarbname}..."
+		if [ "${_skiplang/${_lang}/}" = "${_skiplang}" ]; then
+			echo "Unpacking ${_tarbname} ${_lang}..."
 			# We create a directory using p_${_lang}, for example p_zh-TW, containing
 			# opt/libreofficeX.Y/out, with helppack and/or langpack
 			#  extracted inside it.
@@ -305,8 +307,11 @@ do_build() {
 				rpmextract ${wrksrc}/LibreOffice_${_localver}_Linux_x86_rpm_langpack_${_lang}/RPMS/*.rpm
 			fi
 			mkdir -p out
-		cp -pRv opt/libreoffice${version%.*}/* out/
+			cp -pR opt/libreoffice${version%.*}/* out/
 			rm -rf opt
+		else
+			echo "Skipping ${_lang}..."
+		fi
 	done
 }
 do_install() {
@@ -318,6 +323,7 @@ depends="libreoffice>=${version} ${subpackages}"
 
 for _lang in "${_languages[@]}"; do
 	_locale=${_lang%% *}
+	if [ "${_skiplang/$_locale/}" = "${_skiplang}" ]; then
 		_pkgname=libreoffice-i18n-${_locale}
 
 		depends+=" ${_pkgname}>=${version}"
@@ -325,6 +331,7 @@ for _lang in "${_languages[@]}"; do
 		eval "${_pkgname}_package() {
 			_pkgtmpl ${_lang} ${version%.*}
 		}"
+	fi
 done
 
 _pkgtmpl() {