| 1 | // Copyright 2018 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | package packagestest |
| 6 | |
| 7 | import ( |
| 8 | "path" |
| 9 | "path/filepath" |
| 10 | ) |
| 11 | |
| 12 | // GOPATH is the exporter that produces GOPATH layouts. |
| 13 | // Each "module" is put in it's own GOPATH entry to help test complex cases. |
| 14 | // Given the two files |
| 15 | // |
| 16 | // golang.org/repoa#a/a.go |
| 17 | // golang.org/repob#b/b.go |
| 18 | // |
| 19 | // You would get the directory layout |
| 20 | // |
| 21 | // /sometemporarydirectory |
| 22 | // ├── repoa |
| 23 | // │ └── src |
| 24 | // │ └── golang.org |
| 25 | // │ └── repoa |
| 26 | // │ └── a |
| 27 | // │ └── a.go |
| 28 | // └── repob |
| 29 | // └── src |
| 30 | // └── golang.org |
| 31 | // └── repob |
| 32 | // └── b |
| 33 | // └── b.go |
| 34 | // |
| 35 | // GOPATH would be set to |
| 36 | // |
| 37 | // /sometemporarydirectory/repoa;/sometemporarydirectory/repob |
| 38 | // |
| 39 | // and the working directory would be |
| 40 | // |
| 41 | // /sometemporarydirectory/repoa/src |
| 42 | var GOPATH = gopath{} |
| 43 | |
| 44 | func init() { |
| 45 | All = append(All, GOPATH) |
| 46 | } |
| 47 | |
| 48 | type gopath struct{} |
| 49 | |
| 50 | func (gopath) Name() string { |
| 51 | return "GOPATH" |
| 52 | } |
| 53 | |
| 54 | func (gopath) Filename(exported *Exported, module, fragment string) string { |
| 55 | return filepath.Join(gopathDir(exported, module), "src", module, fragment) |
| 56 | } |
| 57 | |
| 58 | func (gopath) Finalize(exported *Exported) error { |
| 59 | exported.Config.Env = append(exported.Config.Env, "GO111MODULE=off") |
| 60 | gopath := "" |
| 61 | for module := range exported.written { |
| 62 | if gopath != "" { |
| 63 | gopath += string(filepath.ListSeparator) |
| 64 | } |
| 65 | dir := gopathDir(exported, module) |
| 66 | gopath += dir |
| 67 | if module == exported.primary { |
| 68 | exported.Config.Dir = filepath.Join(dir, "src") |
| 69 | } |
| 70 | } |
| 71 | exported.Config.Env = append(exported.Config.Env, "GOPATH="+gopath) |
| 72 | return nil |
| 73 | } |
| 74 | |
| 75 | func gopathDir(exported *Exported, module string) string { |
| 76 | dir := path.Base(module) |
| 77 | if versionSuffixRE.MatchString(dir) { |
| 78 | dir = path.Base(path.Dir(module)) + "_" + dir |
| 79 | } |
| 80 | return filepath.Join(exported.temp, dir) |
| 81 | } |
| 82 |
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