[gnome-software] Fixes #683. No package show available as localized in language

[Richard Hughes <rhughes src gnome org>]

commit 512a2e6efffcd59c242f034b9e99bb6c962dd918
Author: Jordi Mas <jmas softcatala org>
Date:   Mon Jul 15 11:07:25 2019 +0000

    Fixes #683. No package show available as localized in language

 plugins/core/gs-appstream.c | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)
---
diff --git a/plugins/core/gs-appstream.c b/plugins/core/gs-appstream.c
index 1be51998..ec6ade61 100644
--- a/plugins/core/gs-appstream.c
+++ b/plugins/core/gs-appstream.c
@@ -556,6 +556,20 @@ _gs_utils_locale_has_translations (const gchar *locale)
        return TRUE;
 }
 
+static gchar *
+_gs_utils_get_language_from_locale (const gchar *locale)
+{
+       gchar *separator;
+
+       separator = strpbrk (locale, "._");
+
+       if (separator == NULL)
+               return NULL;
+
+       return g_strndup (locale, separator - locale);
+}
+
+
 static gboolean
 gs_appstream_origin_valid (const gchar *origin)
 {
@@ -908,9 +922,18 @@ gs_appstream_refine_app (GsPlugin *plugin,
                if (!_gs_utils_locale_has_translations (tmp)) {
                        gs_app_add_kudo (app, GS_APP_KUDO_MY_LANGUAGE);
                } else {
-                       g_autofree gchar *xpath = NULL;
-                       xpath = g_strdup_printf ("languages/lang[text()='%s'][@percentage>50]", tmp);
-                       if (xb_node_query_text (component, xpath, NULL) != NULL)
+
+                       g_autoptr(GString) xpath = g_string_new (NULL);
+                       g_autofree gchar *language;
+
+                       xb_string_append_union (xpath, "languages/lang[text()='%s'][@percentage>50]", tmp);
+
+                       language = _gs_utils_get_language_from_locale (tmp);
+                       if (language != NULL) {
+                               xb_string_append_union (xpath, "languages/lang[text()='%s'][@percentage>50]", 
language);
+                       }
+
+                       if (xb_node_query_text (component, xpath->str, NULL) != NULL)
                                gs_app_add_kudo (app, GS_APP_KUDO_MY_LANGUAGE);
                }