Deployment: add ostree.endoflife

When metadata contains ostree.endoflife attribute,
its information will be added to the deployment Variant,
which will later be shown with rpm-ostree status command

src/app/rpmostree-builtin-status.c

@@ -563,6 +563,12 @@ status_generic (RPMOSTreeSysroot *sysroot_proxy,
           print_kv ("Unlocked", max_key_len, unlocked);
           g_print ("%s%s", bold_suffix, red_suffix);
         }
+      const char *end_of_life_string = NULL;
+      /* look for ostree.endoflife attribute in the deployment */
+      g_variant_dict_lookup (dict, "endoflife", "&s", &end_of_life_string);
+
+      if (end_of_life_string)
+       g_print ("\n end-of-life: %s", end_of_life_string);
     }
 
   return TRUE;

src/daemon/rpmostreed-deployment-utils.c

@@ -126,6 +126,34 @@ rpmostreed_deployment_generate_blank_variant (void)
   return g_variant_dict_end (&dict);
 }
 
+static void
+variant_add_metadata_attribute (GVariantDict *dict,
+                                const gchar  *attribute,
+                                GVariant     *commit)
+{
+  g_autoptr(GVariant) metadata = NULL;
+  g_autofree gchar *attribute_string_value = NULL;
+
+  metadata = g_variant_get_child_value (commit, 0);
+
+  if (metadata != NULL)
+    {
+      g_variant_lookup (metadata, attribute, "s", &attribute_string_value);
+      if (attribute_string_value != NULL)
+        {
+          /* for attributes starting with ostree., remove the prefix */
+          if(g_str_has_prefix (attribute, "ostree."))
+            {
+              const char *new_string = strchr (attribute, '.');
+              const char *new_attribute = new_string + 1;
+              g_variant_dict_insert (dict, new_attribute, "s", attribute_string_value);
+            }
+          else
+            g_variant_dict_insert (dict, attribute, "s", attribute_string_value);
+        }
+    }
+}
+
 static void
 variant_add_commit_details (GVariantDict *dict,
                             const char *prefix,
@@ -229,7 +257,11 @@ rpmostreed_deployment_generate_variant (OstreeSysroot *sysroot,
       variant_add_commit_details (&dict, "base-", base_commit);
     }
   else
-    base_checksum = g_strdup (csum);
+    {
+      base_checksum = g_strdup (csum);
+      /* we would not consider endoflife attribute for layered commits */
+      variant_add_metadata_attribute (&dict, "ostree.endoflife", commit);
+    }
 
   sigs = rpmostreed_deployment_gpg_results (repo, refspec, base_checksum, &gpg_enabled);
   variant_add_commit_details (&dict, NULL, commit);