[gnome-software] Don't show a modified date in 1970 for webapps

[Richard Hughes <rhughes src gnome org>]

commit d93da5b6585de9ba348c8101d96e9696ee4ab1a6
Author: Richard Hughes <richard hughsie com>
Date:   Wed Oct 30 09:34:08 2013 +0000

    Don't show a modified date in 1970 for webapps
    
    This is really us not checking the unset value in the details panel.

 src/gs-app.h           |    1 +
 src/gs-shell-details.c |    9 ++++++---
 2 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/src/gs-app.h b/src/gs-app.h
index 274d433..b7e5ba4 100644
--- a/src/gs-app.h
+++ b/src/gs-app.h
@@ -87,6 +87,7 @@ typedef enum {
        GS_APP_ID_KIND_LAST
 } GsAppIdKind;
 
+#define        GS_APP_INSTALL_DATE_UNSET               0
 #define        GS_APP_INSTALL_DATE_UNKNOWN             1 /* 1s past the epoch */
 #define        GS_APP_SIZE_UNKNOWN                     0
 #define        GS_APP_SIZE_MISSING                     1
diff --git a/src/gs-shell-details.c b/src/gs-shell-details.c
index b7df7fa..919f67c 100644
--- a/src/gs-shell-details.c
+++ b/src/gs-shell-details.c
@@ -449,6 +449,7 @@ gs_shell_details_refresh_all (GsShellDetails *shell_details)
        GtkWidget *widget;
        const gchar *tmp;
        gchar *size;
+       guint64 updated;
 
        /* change widgets */
        tmp = gs_app_get_name (priv->app);
@@ -565,12 +566,14 @@ gs_shell_details_refresh_all (GsShellDetails *shell_details)
 
        /* set the updated date */
        widget = GTK_WIDGET (gtk_builder_get_object (priv->builder, "label_details_updated_value"));
-       if (gs_app_get_install_date (priv->app) == GS_APP_INSTALL_DATE_UNKNOWN) {
-               /* TRANSLATORS: this is where the licence is not known */
+       updated = gs_app_get_install_date (priv->app);
+       if (updated == GS_APP_INSTALL_DATE_UNKNOWN ||
+           updated == GS_APP_INSTALL_DATE_UNSET) {
+               /* TRANSLATORS: this is where the updated date is not known */
                gtk_label_set_label (GTK_LABEL (widget), _("Never"));
        } else {
                GDateTime *dt;
-               dt = g_date_time_new_from_unix_utc (gs_app_get_install_date (priv->app));
+               dt = g_date_time_new_from_unix_utc (updated);
                size = g_date_time_format (dt, "%x");
                g_date_time_unref (dt);
                gtk_label_set_label (GTK_LABEL (widget), size);