1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package modconv
import (
"fmt"
"os"
"sort"
"strings"
"sync"
"cmd/go/internal/base"
"cmd/go/internal/modfetch"
"cmd/go/internal/modfile"
"cmd/go/internal/module"
"cmd/go/internal/par"
"cmd/go/internal/semver"
)
// ConvertLegacyConfig converts legacy config to modfile.
// The file argument is slash-delimited.
func ConvertLegacyConfig(f *modfile.File, file string, data []byte) error {
i := strings.LastIndex(file, "/")
j := -2
if i >= 0 {
j = strings.LastIndex(file[:i], "/")
}
convert := Converters[file[i+1:]]
if convert == nil && j != -2 {
convert = Converters[file[j+1:]]
}
if convert == nil {
return fmt.Errorf("unknown legacy config file %s", file)
}
mf, err := convert(file, data)
if err != nil {
return fmt.Errorf("parsing %s: %v", file, err)
}
// Convert requirements block, which may use raw SHA1 hashes as versions,
// to valid semver requirement list, respecting major versions.
var work par.Work
for _, r := range mf.Require {
m := r.Mod
if m.Path == "" {
continue
}
work.Add(r.Mod)
}
var (
mu sync.Mutex
need = make(map[string]string)
)
work.Do(10, func(item interface{}) {
r := item.(module.Version)
repo, info, err := modfetch.ImportRepoRev(r.Path, r.Version)
if err != nil {
fmt.Fprintf(os.Stderr, "go: converting %s: stat %s@%s: %v\n", base.ShortPath(file), r.Path, r.Version, err)
return
}
mu.Lock()
path := repo.ModulePath()
// Don't use semver.Max here; need to preserve +incompatible suffix.
if v, ok := need[path]; !ok || semver.Compare(v, info.Version) < 0 {
need[path] = info.Version
}
mu.Unlock()
})
var paths []string
for path := range need {
paths = append(paths, path)
}
sort.Strings(paths)
for _, path := range paths {
f.AddNewRequire(path, need[path], false)
}
for _, r := range mf.Replace {
err := f.AddReplace(r.Old.Path, r.Old.Version, r.New.Path, r.New.Version)
if err != nil {
return fmt.Errorf("add replace: %v", err)
}
}
f.Cleanup()
return nil
}
|
