// Copyright © 2019 Weald Technology Trading // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package cmd import ( "fmt" "os" "github.com/spf13/viper" ) // errCheck checks for an error and quits if it is present. func errCheck(err error, msg string) { if err != nil { if !viper.GetBool("quiet") { if msg == "" { fmt.Fprintf(os.Stderr, "%s\n", err.Error()) } else { fmt.Fprintf(os.Stderr, "%s: %s\n", msg, err.Error()) } } os.Exit(1) } } // errAssert checks a condition and quits if it is false // func errAssert(condition bool, err error, msg string) { // if !condition { // if err != nil { // if !quiet { // if msg == "" { // fmt.Fprintf(os.Stderr, "%s\n", err.Error()) // } else { // fmt.Fprintf(os.Stderr, "%s: %s\n", msg, err.Error()) // } // } // os.Exit(1) // } // } // } // assert checks a condition and quits if it is false. func assert(condition bool, msg string) { if !condition { die(msg) } } // die prints an error and quits. func die(msg string) { if msg != "" && !viper.GetBool("quiet") { fmt.Fprintf(os.Stderr, "%s\n", msg) } os.Exit(_exitFailure) } // warnCheck checks for an error and warns if it is present // func warnCheck(err error, msg string) { // if err != nil { // if !quiet { // if msg == "" { // fmt.Fprintf(os.Stderr, "%s\n", err.Error()) // } else { // fmt.Fprintf(os.Stderr, "%s: %s\n", msg, err.Error()) // } // } // } // } // check checks a condition and warns if it is false // func check(condition bool, msg string) { // if !condition { // warn(msg) // } // } // Warn prints a warning // func warn(msg string) { // if !quiet { // fmt.Fprintf(os.Stderr, "%s\n", msg) // } // }