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60 lines
1.6 KiB
60 lines
1.6 KiB
5 years ago
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// Copyright 2015 go-swagger maintainers
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package swag
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import (
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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const (
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// GOPATHKey represents the env key for gopath
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GOPATHKey = "GOPATH"
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)
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// FindInSearchPath finds a package in a provided lists of paths
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func FindInSearchPath(searchPath, pkg string) string {
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pathsList := filepath.SplitList(searchPath)
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for _, path := range pathsList {
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if evaluatedPath, err := filepath.EvalSymlinks(filepath.Join(path, "src", pkg)); err == nil {
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if _, err := os.Stat(evaluatedPath); err == nil {
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return evaluatedPath
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}
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}
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}
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return ""
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}
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// FindInGoSearchPath finds a package in the $GOPATH:$GOROOT
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func FindInGoSearchPath(pkg string) string {
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return FindInSearchPath(FullGoSearchPath(), pkg)
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}
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// FullGoSearchPath gets the search paths for finding packages
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func FullGoSearchPath() string {
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allPaths := os.Getenv(GOPATHKey)
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if allPaths == "" {
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allPaths = filepath.Join(os.Getenv("HOME"), "go")
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}
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if allPaths != "" {
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allPaths = strings.Join([]string{allPaths, runtime.GOROOT()}, ":")
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} else {
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allPaths = runtime.GOROOT()
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}
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return allPaths
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}
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