1 // Copyright 2015 go-swagger maintainers
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
7 // http://www.apache.org/licenses/LICENSE-2.0
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.
26 // Debug is true when the SWAGGER_DEBUG env var is not empty.
27 // It enables a more verbose logging of this package.
28 Debug = os.Getenv("SWAGGER_DEBUG") != ""
29 // specLogger is a debug logger for this package
30 specLogger *log.Logger
38 specLogger = log.New(os.Stdout, "spec:", log.LstdFlags)
41 func debugLog(msg string, args ...interface{}) {
42 // A private, trivial trace logger, based on go-openapi/spec/expander.go:debugLog()
44 _, file1, pos1, _ := runtime.Caller(1)
45 specLogger.Printf("%s:%d: %s", filepath.Base(file1), pos1, fmt.Sprintf(msg, args...))