Deployment: add endoflife

When commit metadata contains ostree.endoflife attribute,
its information will be added to the deployment Variant,
which will later be shown as a red & bold message when
'rpm-ostree status' command is called.

src/app/rpmostree-builtin-status.c

@@ -563,6 +563,16 @@ 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 endoflife attribute in the deployment */
+      g_variant_dict_lookup (dict, "endoflife", "&s", &end_of_life_string);
+
+      if (end_of_life_string)
+        {
+          g_print ("%s%s", red_prefix, bold_prefix);
+          print_kv ("EndOfLife", max_key_len, end_of_life_string);
+          g_print ("%s%s", bold_suffix, red_suffix);
+        }
     }
 
   return TRUE;

src/daemon/rpmostreed-deployment-utils.c

@@ -126,6 +126,23 @@ rpmostreed_deployment_generate_blank_variant (void)
   return g_variant_dict_end (&dict);
 }
 
+static void
+variant_add_metadata_attribute (GVariantDict *dict,
+                                const gchar  *attribute,
+                                const gchar  *new_attribute,
+                                GVariant     *commit)
+{
+  g_autofree gchar *attribute_string_value = NULL;
+  g_autoptr(GVariant) 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)
+        g_variant_dict_insert (dict, new_attribute ?: attribute, "s", attribute_string_value);
+    }
+}
+
 static void
 variant_add_commit_details (GVariantDict *dict,
                             const char *prefix,
@@ -227,9 +244,14 @@ rpmostreed_deployment_generate_variant (OstreeSysroot *sysroot,
 
       g_variant_dict_insert (&dict, "base-checksum", "s", base_checksum);
       variant_add_commit_details (&dict, "base-", base_commit);
+      /* for layered commits, check if their base commit has end of life attribute */
+      variant_add_metadata_attribute (&dict, OSTREE_COMMIT_META_KEY_ENDOFLIFE, "endoflife", base_commit);
     }
   else
-    base_checksum = g_strdup (csum);
+    {
+      base_checksum = g_strdup (csum);
+      variant_add_metadata_attribute (&dict, OSTREE_COMMIT_META_KEY_ENDOFLIFE, "endoflife", commit);
+    }
 
   sigs = rpmostreed_deployment_gpg_results (repo, refspec, base_checksum, &gpg_enabled);
   variant_add_commit_details (&dict, NULL, commit);