[RFC] Add internationalization to XBPS

bin/xbps-fetch/main.c

@@ -30,6 +30,10 @@
 #include <errno.h>
 #include <unistd.h>
 #include <getopt.h>
+#include <libintl.h>
+#include <locale.h>
+
+#define _(x) gettext(x)
 
 #include <openssl/sha.h>
 
@@ -39,15 +43,15 @@
 static void __attribute__((noreturn))
 usage(bool fail)
 {
-	fprintf(stdout,
+	fprintf(stdout,_(
 	"Usage: xbps-fetch [options] <url> <url+N>\n\n"
 	"OPTIONS\n"
 	" -d, --debug       Enable debug messages to stderr\n"
 	" -h, --help        Show usage\n"
 	" -o, --out <file>  Rename downloaded file to <file>\n"
 	" -s, --sha256      Output sha256sums of the files\n"
 	" -v, --verbose     Enable verbose output\n"
-	" -V, --version     Show XBPS version\n");
+	" -V, --version     Show XBPS version\n"));
 	exit(fail ? EXIT_FAILURE : EXIT_SUCCESS);
 }
 
@@ -101,6 +105,10 @@ main(int argc, char **argv)
 		{ NULL, 0, NULL, 0 }
 	};
 
+	setlocale(LC_MESSAGES, "");
+	bindtextdomain("xbps", LOCALEDIR);
+	textdomain("xbps");
+
 	while ((c = getopt_long(argc, argv, "o:dhsVv", longopts, NULL)) != -1) {
 		switch (c) {
 		case 'h':

configure

@@ -67,6 +67,7 @@ for x; do
 	--bindir) BINDIR=$var;;
 	--mandir) MANDIR=$var;;
 	--datadir) SHAREDIR=$var;;
+	--localedir) LOCALEDIR=$var;;
 	--build) BUILD=$var;;
 	--host) HOST=$var;;
 	--target) TARGET=$var;;
@@ -96,6 +97,7 @@ done
 : ${BINDIR:=${PREFIX}/bin}
 : ${LIBDIR:=${EPREFIX}/lib}
 : ${SHAREDIR:=${EPREFIX}/share}
+: ${LOCALEDIR:=${EPREFIX}/share/locale}
 : ${MANDIR:=${EPREFIX}/share/man}
 : ${INCLUDEDIR:=${EPREFIX}/include}
 : ${PKGCONFIGDIR:=${LIBDIR}/pkgconfig}
@@ -202,6 +204,8 @@ echo "CPPFLAGS +=	-DXBPS_VERSION=\\\"${VERSION}\\\"" >>$CONFIG_MK
 echo "CPPFLAGS +=	-DXBPS_META_PATH=\\\"${DBDIR}\\\"" >>$CONFIG_MK
 echo "CPPFLAGS +=	-DUNUSED=\"__attribute__((__unused__))\"" >>$CONFIG_MK
 
+echo "CPPFLAGS +=	-DLOCALEDIR=\\\"${LOCALEDIR}\\\"" >>$CONFIG_MK
+
 if [ -d .git ]; then
 	_gitrev=$(git rev-parse --short HEAD)
 	echo "CPPFLAGS += -DXBPS_GIT=\\\"${_gitrev}\\\"" >>$CONFIG_MK

meson.build

@@ -0,0 +1,5 @@
+project('xbps', 'c',
+  version : '0.60',
+  default_options : ['warning_level=3'])
+
+subdir('po')

po/LINGUAS

@@ -0,0 +1 @@
+pt_BR

po/POTFILES

@@ -0,0 +1 @@
+bin/xbps-fetch/main.c

po/meson.build

@@ -0,0 +1,6 @@
+i18n = import('i18n')
+i18n.gettext(
+  meson.project_name(),
+  args: '--directory=' + meson.source_root(),
+  preset: 'glib',
+)