message: Improve error message when project name exists
diff: @@ -377,7 +377,20 @@ createProjectArgs): Promise<number> {
  });
  const { errors: addProjectErrors } = addProjectResult;
  +
  if (addProjectErrors != null) {
  + if (
  + /Duplicate entry '[^']+' for key 'name'/.test(R.prop('message', R.head(addProjectErrors)))
  + ) {
  + return printErrors(
  + cerr,
  + `Project name "${R.prop(
  + 'name',
  + projectInput,
  + )}" already exists! Please select a different project name.`,
  + );
  + }
  +
  return printGraphQLErrors(cerr, ...addProjectErrors);
  }
  