1 /* 2 Copyright 2018 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 // Package main implements a command line tool for performing structured 18 // operations on yaml files. 19 package main 20 21 import ( 22 "flag" 23 "log" 24 25 "sigs.k8s.io/structured-merge-diff/v4/internal/cli" 26 ) 27 28 func main() { 29 var o cli.Options 30 o.AddFlags(flag.CommandLine) 31 flag.Parse() 32 33 op, err := o.Resolve() 34 if err != nil { 35 log.Fatalf("Couldn't understand command line flags: %v", err) 36 } 37 38 out, err := o.OpenOutput() 39 if err != nil { 40 log.Fatalf("Couldn't prepare output: %v", err) 41 } 42 43 err = op.Execute(out) 44 if err != nil { 45 log.Fatalf("Couldn't execute operation: %v", err) 46 } 47 } 48