podman
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1// Copyright 2015 go-swagger maintainers
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package debug16
17import (18"fmt"19"log"20"os"21"path/filepath"22"runtime"23)
24
25var (26output = os.Stdout27)
28
29// GetLogger provides a prefix debug logger
30func GetLogger(prefix string, debug bool) func(string, ...interface{}) {31if debug {32logger := log.New(output, fmt.Sprintf("%s:", prefix), log.LstdFlags)33
34return func(msg string, args ...interface{}) {35_, file1, pos1, _ := runtime.Caller(1)36logger.Printf("%s:%d: %s", filepath.Base(file1), pos1, fmt.Sprintf(msg, args...))37}38}39
40return func(msg string, args ...interface{}) {}41}
42