[Libosinfo] [libosinfo PATCH 7/8] db: Deal with "unknown" media architecture

[Fabiano Fidêncio]

https://gitlab.com/libosinfo/libosinfo/issues/20

Signed-off-by: Fabiano Fidêncio <fidencio at redhat.com>
---
 osinfo/osinfo_db.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/osinfo/osinfo_db.c b/osinfo/osinfo_db.c
index 2cecaf6..6885a3f 100644
--- a/osinfo/osinfo_db.c
+++ b/osinfo/osinfo_db.c
@@ -544,6 +544,7 @@ osinfo_db_guess_os_from_media_internal(OsinfoDb *db,
 {
     OsinfoOs *ret = NULL;
     GList *oss = NULL;
+    GList *unknown_oss = NULL;
     GList *os_iter;
     const gchar *media_arch;
     const gchar *media_volume;
@@ -587,6 +588,11 @@ osinfo_db_guess_os_from_media_internal(OsinfoDb *db,
                 os_vol_size <= 0)
                 continue;
 
+            if (g_str_equal(os_arch, "unknown")) {
+                unknown_oss = g_list_prepend(unknown_oss, os);
+                continue;
+            }
+
             if (os_vol_size <= 0)
                 os_vol_size = media_vol_size;
 
@@ -606,11 +612,51 @@ osinfo_db_guess_os_from_media_internal(OsinfoDb *db,
         g_list_free(medias);
         g_object_unref(media_list);
 
+        if (ret)
+            goto end;
+    }
+
+    for (os_iter = unknown_oss; os_iter; os_iter = os_iter->next) {
+        OsinfoOs *os = OSINFO_OS(os_iter->data);
+        OsinfoMediaList *media_list = osinfo_os_get_media_list(os);
+        GList *medias = osinfo_list_get_elements(OSINFO_LIST(media_list));
+        GList *media_iter;
+
+        medias = g_list_sort(medias, media_volume_compare);
+
+        for (media_iter = medias; media_iter; media_iter = media_iter->next) {
+            OsinfoMedia *os_media = OSINFO_MEDIA(media_iter->data);
+            const gchar *os_volume = osinfo_media_get_volume_id(os_media);
+            const gchar *os_system = osinfo_media_get_system_id(os_media);
+            const gchar *os_publisher = osinfo_media_get_publisher_id(os_media);
+            const gchar *os_application = osinfo_media_get_application_id(os_media);
+            gint64 os_vol_size = osinfo_media_get_volume_size(os_media);
+
+            if (os_vol_size <= 0)
+                os_vol_size = media_vol_size;
+
+            if (match_regex(os_volume, media_volume) &&
+                match_regex(os_application, media_application) &&
+                match_regex(os_system, media_system) &&
+                match_regex(os_publisher, media_publisher) &&
+                os_vol_size == media_vol_size) {
+                ret = os;
+                if (matched_media != NULL)
+                    *matched_media = os_media;
+                break;
+            }
+        }
+
+        g_list_free(medias);
+        g_object_unref(media_list);
+
         if (ret)
             break;
     }
 
+ end:
     g_list_free(oss);
+    g_list_free(unknown_oss);
 
     return ret;
 }
-- 
2.20.1