admin: Conditionally show GPG signatures in status command

Only if GPG verification is enabled for a deployment's origin.

src/ostree/ot-admin-builtin-status.c

@@ -49,6 +49,37 @@ version_of_commit (OstreeRepo *repo, const char *checksum)
   return NULL;
 }
 
+static gboolean
+deployment_get_gpg_verify (OstreeDeployment *deployment,
+                           OstreeRepo *repo)
+{
+  /* XXX Something like this could be added to the OstreeDeployment
+   *     API in libostree if the OstreeRepo parameter is acceptable. */
+
+  GKeyFile *origin;
+  gs_free char *refspec = NULL;
+  gs_free char *remote = NULL;
+  gboolean gpg_verify = FALSE;
+
+  origin = ostree_deployment_get_origin (deployment);
+
+  if (origin == NULL)
+    goto out;
+
+  refspec = g_key_file_get_string (origin, "origin", "refspec", NULL);
+
+  if (refspec == NULL)
+    goto out;
+
+  if (!ostree_parse_refspec (refspec, &remote, NULL, NULL))
+    goto out;
+
+  (void) ostree_repo_remote_get_gpg_verify (repo, remote, &gpg_verify, NULL);
+
+out:
+  return gpg_verify;
+}
+
 gboolean
 ot_admin_builtin_status (int argc, char **argv, GCancellable *cancellable, GError **error)
 {
@@ -112,6 +143,8 @@ ot_admin_builtin_status (int argc, char **argv, GCancellable *cancellable, GErro
                 g_print ("    origin refspec: %s\n", origin_refspec);
             }
 
+          if (deployment_get_gpg_verify (deployment, repo))
+            {
               /* Print any digital signatures on this commit. */
 
               result = ostree_repo_verify_commit_ext (repo, ref, NULL, NULL,
@@ -142,6 +175,7 @@ ot_admin_builtin_status (int argc, char **argv, GCancellable *cancellable, GErro
               g_string_free (output_buffer, TRUE);
             }
         }
+    }
 
   ret = TRUE;
  out: