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cmd/go/internal/modconv: involve GOPROXY in ConvertLegacyConfig

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Fixes #33767

Change-Id: Ia2d6dd32bcb0e142f59346232b3b1aa3babb034a
Reviewed-on: https://go-review.googlesource.com/c/go/+/306809
Trust: Jay Conrod <jayconrod@google.com>
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Aofei Sheng <aofei@aofeisheng.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
Aofei Sheng 2021-04-02 14:45:26 +08:00 committed by Jay Conrod
parent 7ed6d1f2fb
commit 699a7c0fe9
8 changed files with 82 additions and 256 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
src/cmd/go/internal/modconv/convert.go
View File

@ -12,7 +12,6 @@ import (
"strings"
"cmd/go/internal/base"
"cmd/go/internal/modfetch"
"golang.org/x/mod/modfile"
"golang.org/x/mod/module"
@ -21,7 +20,7 @@ import (
// ConvertLegacyConfig converts legacy config to modfile.
// The file argument is slash-delimited.
func ConvertLegacyConfig(f *modfile.File, file string, data []byte) error {
func ConvertLegacyConfig(f *modfile.File, file string, data []byte, queryPackage func(path, rev string) (module.Version, error)) error {
i := strings.LastIndex(file, "/")
j := -2
if i >= 0 {
@ -62,15 +61,13 @@ func ConvertLegacyConfig(f *modfile.File, file string, data []byte) error {
sem <- token{}
go func(i int, m module.Version) {
defer func() { <-sem }()
repo, info, err := modfetch.ImportRepoRev(m.Path, m.Version)
version, err := queryPackage(m.Path, m.Version)
if err != nil {
fmt.Fprintf(os.Stderr, "go: converting %s: stat %s@%s: %v\n", base.ShortPath(file), m.Path, m.Version, err)
return
}
path := repo.ModulePath()
versions[i].Path = path
versions[i].Version = info.Version
versions[i] = version
}(i, m)
}
// Fill semaphore channel to wait for all tasks to finish.

189
src/cmd/go/internal/modconv/convert_test.go
View File

@ -1,189 +0,0 @@
// 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 (
"bytes"
"context"
"fmt"
"internal/testenv"
"log"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
"cmd/go/internal/cfg"
"cmd/go/internal/modfetch"
"golang.org/x/mod/modfile"
"golang.org/x/mod/module"
)
func TestMain(m *testing.M) {
os.Exit(testMain(m))
}
func testMain(m *testing.M) int {
cfg.GOPROXY = "direct"
if _, err := exec.LookPath("git"); err != nil {
fmt.Fprintln(os.Stderr, "skipping because git binary not found")
fmt.Println("PASS")
return 0
}
dir, err := os.MkdirTemp("", "modconv-test-")
if err != nil {
log.Fatal(err)
}
defer os.RemoveAll(dir)
cfg.GOMODCACHE = filepath.Join(dir, "pkg/mod")
return m.Run()
}
func TestConvertLegacyConfig(t *testing.T) {
testenv.MustHaveExternalNetwork(t)
if testing.Verbose() {
old := cfg.BuildX
defer func() {
cfg.BuildX = old
}()
cfg.BuildX = true
}
var tests = []struct {
path string
vers string
gomod string
}{
/*
Different versions of git seem to find or not find
github.com/Masterminds/semver's a93e51b5a57e,
which is an unmerged pull request.
We'd rather not provide access to unmerged pull requests,
so the line is removed from the golden file here,
but some git commands still find it somehow.
{
// Gopkg.lock parsing.
"github.com/golang/dep", "v0.4.0",
`module github.com/golang/dep
require (
github.com/Masterminds/vcs v1.11.1
github.com/armon/go-radix v0.0.0-20160115234725-4239b77079c7
github.com/boltdb/bolt v1.3.1
github.com/go-yaml/yaml v0.0.0-20170407172122-cd8b52f8269e
github.com/golang/protobuf v0.0.0-20170901042739-5afd06f9d81a
github.com/jmank88/nuts v0.3.0
github.com/nightlyone/lockfile v0.0.0-20170707060451-e83dc5e7bba0
github.com/pelletier/go-toml v0.0.0-20171218135716-b8b5e7696574
github.com/pkg/errors v0.8.0
github.com/sdboyer/constext v0.0.0-20170321163424-836a14457353
golang.org/x/net v0.0.0-20170828231752-66aacef3dd8a
golang.org/x/sync v0.0.0-20170517211232-f52d1811a629
golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea
)`,
},
*/
// TODO: https://github.com/docker/distribution uses vendor.conf
{
// Godeps.json parsing.
// TODO: Should v2.0.0 work here too?
"github.com/docker/distribution", "v0.0.0-20150410205453-85de3967aa93",
`module github.com/docker/distribution
require (
github.com/AdRoll/goamz v0.0.0-20150130162828-d3664b76d905
github.com/MSOpenTech/azure-sdk-for-go v0.0.0-20150323223030-d90753bcad2e
github.com/Sirupsen/logrus v0.7.3
github.com/bugsnag/bugsnag-go v1.0.3-0.20141110184014-b1d153021fcd
github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b
github.com/bugsnag/panicwrap v0.0.0-20141110184334-e5f9854865b9
github.com/codegangsta/cli v1.4.2-0.20150131031259-6086d7927ec3
github.com/docker/docker v1.4.2-0.20150204013315-165ea5c158cf
github.com/docker/libtrust v0.0.0-20150114040149-fa567046d9b1
github.com/garyburd/redigo v0.0.0-20150301180006-535138d7bcd7
github.com/gorilla/context v0.0.0-20140604161150-14f550f51af5
github.com/gorilla/handlers v0.0.0-20140825150757-0e84b7d810c1
github.com/gorilla/mux v0.0.0-20140926153814-e444e69cbd2e
github.com/jlhawn/go-crypto v0.0.0-20150401213827-cd738dde20f0
github.com/yvasiyarov/go-metrics v0.0.0-20140926110328-57bccd1ccd43
github.com/yvasiyarov/gorelic v0.0.7-0.20141212073537-a9bba5b9ab50
github.com/yvasiyarov/newrelic_platform_go v0.0.0-20140908184405-b21fdbd4370f
golang.org/x/net v0.0.0-20150202051010-1dfe7915deaf
gopkg.in/check.v1 v1.0.0-20141024133853-64131543e789
gopkg.in/yaml.v2 v2.0.0-20150116202057-bef53efd0c76
)`,
},
{
// golang.org/issue/24585 - confusion about v2.0.0 tag in legacy non-v2 module
"github.com/fishy/gcsbucket", "v0.0.0-20180217031846-618d60fe84e0",
`module github.com/fishy/gcsbucket
require (
cloud.google.com/go v0.18.0
github.com/fishy/fsdb v0.0.0-20180217030800-5527ded01371
github.com/golang/protobuf v1.0.0
github.com/googleapis/gax-go v2.0.0+incompatible
golang.org/x/net v0.0.0-20180216171745-136a25c244d3
golang.org/x/oauth2 v0.0.0-20180207181906-543e37812f10
golang.org/x/text v0.3.1-0.20180208041248-4e4a3210bb54
google.golang.org/api v0.0.0-20180217000815-c7a403bb5fe1
google.golang.org/appengine v1.0.0
google.golang.org/genproto v0.0.0-20180206005123-2b5a72b8730b
google.golang.org/grpc v1.10.0
)`,
},
}
ctx := context.Background()
for _, tt := range tests {
t.Run(strings.ReplaceAll(tt.path, "/", "_")+"_"+tt.vers, func(t *testing.T) {
f, err := modfile.Parse("golden", []byte(tt.gomod), nil)
if err != nil {
t.Fatal(err)
}
want, err := f.Format()
if err != nil {
t.Fatal(err)
}
dir, err := modfetch.Download(ctx, module.Version{Path: tt.path, Version: tt.vers})
if err != nil {
t.Fatal(err)
}
for name := range Converters {
file := filepath.Join(dir, name)
data, err := os.ReadFile(file)
if err == nil {
f := new(modfile.File)
f.AddModuleStmt(tt.path)
if err := ConvertLegacyConfig(f, filepath.ToSlash(file), data); err != nil {
t.Fatal(err)
}
out, err := f.Format()
if err != nil {
t.Fatalf("format after conversion: %v", err)
}
if !bytes.Equal(out, want) {
t.Fatalf("final go.mod:\n%s\n\nwant:\n%s", out, want)
}
return
}
}
t.Fatalf("no converter found for %s@%s", tt.path, tt.vers)
})
}
}

56
src/cmd/go/internal/modfetch/repo.go
View File

@ -169,15 +169,6 @@ type RevInfo struct {
// and it can check that the path can be resolved to a target repository.
// To avoid version control access except when absolutely necessary,
// Lookup does not attempt to connect to the repository itself.
//
// The ImportRepoRev function is a variant of Import which is limited
// to code in a source code repository at a particular revision identifier
// (usually a commit hash or source code repository tag, not necessarily
// a module version).
// ImportRepoRev is used when converting legacy dependency requirements
// from older systems into go.mod files. Those older systems worked
// at either package or repository granularity, and most of the time they
// recorded commit hashes, not tagged versions.
var lookupCache par.Cache
@ -297,53 +288,6 @@ func lookupCodeRepo(rr *vcs.RepoRoot) (codehost.Repo, error) {
return code, nil
}
// ImportRepoRev returns the module and version to use to access
// the given import path loaded from the source code repository that
// the original "go get" would have used, at the specific repository revision
// (typically a commit hash, but possibly also a source control tag).
func ImportRepoRev(path, rev string) (Repo, *RevInfo, error) {
if cfg.BuildMod == "vendor" || cfg.BuildMod == "readonly" {
return nil, nil, fmt.Errorf("repo version lookup disabled by -mod=%s", cfg.BuildMod)
}
// Note: Because we are converting a code reference from a legacy
// version control system, we ignore meta tags about modules
// and use only direct source control entries (get.IgnoreMod).
security := web.SecureOnly
if module.MatchPrefixPatterns(cfg.GOINSECURE, path) {
security = web.Insecure
}
rr, err := vcs.RepoRootForImportPath(path, vcs.IgnoreMod, security)
if err != nil {
return nil, nil, err
}
code, err := lookupCodeRepo(rr)
if err != nil {
return nil, nil, err
}
revInfo, err := code.Stat(rev)
if err != nil {
return nil, nil, err
}
// TODO: Look in repo to find path, check for go.mod files.
// For now we're just assuming rr.Root is the module path,
// which is true in the absence of go.mod files.
repo, err := newCodeRepo(code, rr.Root, rr.Root)
if err != nil {
return nil, nil, err
}
info, err := repo.(*codeRepo).convert(revInfo, rev)
if err != nil {
return nil, nil, err
}
return repo, info, nil
}
// A loggingRepo is a wrapper around an underlying Repo
// that prints a log message at the start and end of each call.
// It can be inserted when debugging.

13
src/cmd/go/internal/modload/init.go
View File

@ -728,6 +728,17 @@ func setDefaultBuildMod() {
// convertLegacyConfig imports module requirements from a legacy vendoring
// configuration file, if one is present.
func convertLegacyConfig(modPath string) (from string, err error) {
noneSelected := func(path string) (version string) { return "none" }
queryPackage := func(path, rev string) (module.Version, error) {
pkgMods, modOnly, err := QueryPattern(context.Background(), path, rev, noneSelected, nil)
if err != nil {
return module.Version{}, err
}
if len(pkgMods) > 0 {
return pkgMods[0].Mod, nil
}
return modOnly.Mod, nil
}
for _, name := range altConfigs {
cfg := filepath.Join(modRoot, name)
data, err := os.ReadFile(cfg)
@ -737,7 +748,7 @@ func convertLegacyConfig(modPath string) (from string, err error) {
return "", nil
}
cfg = filepath.ToSlash(cfg)
err := modconv.ConvertLegacyConfig(modFile, cfg, data)
err := modconv.ConvertLegacyConfig(modFile, cfg, data, queryPackage)
return name, err
}
}

64
src/cmd/go/testdata/script/mod_convert.txt vendored Normal file
View File

@ -0,0 +1,64 @@
[short] skip
env GO111MODULE=on
env GOPROXY=
env GOSUMDB=
go mod download github.com/docker/distribution@v0.0.0-20150410205453-85de3967aa93
mkdir x/Godeps
cp $GOPATH/pkg/mod/github.com/docker/distribution@v0.0.0-20150410205453-85de3967aa93/Godeps/Godeps.json x/Godeps
cd x
go mod init github.com/docker/distribution
cmpenv go.mod go.mod.want
go mod download github.com/fishy/gcsbucket@v0.0.0-20180217031846-618d60fe84e0
cp $GOPATH/pkg/mod/github.com/fishy/gcsbucket@v0.0.0-20180217031846-618d60fe84e0/Gopkg.lock ../y
cd ../y
go mod init github.com/fishy/gcsbucket
cmpenv go.mod go.mod.want
-- x/go.mod.want --
module github.com/docker/distribution
go $goversion
require (
github.com/AdRoll/goamz v0.0.0-20150130162828-d3664b76d905
github.com/MSOpenTech/azure-sdk-for-go v0.0.0-20150323223030-d90753bcad2e
github.com/Sirupsen/logrus v0.7.3
github.com/bugsnag/bugsnag-go v1.0.3-0.20141110184014-b1d153021fcd
github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b
github.com/bugsnag/panicwrap v0.0.0-20141110184334-e5f9854865b9
github.com/codegangsta/cli v1.4.2-0.20150131031259-6086d7927ec3
github.com/docker/docker v1.4.2-0.20150204013315-165ea5c158cf
github.com/docker/libtrust v0.0.0-20150114040149-fa567046d9b1
github.com/garyburd/redigo v0.0.0-20150301180006-535138d7bcd7
github.com/gorilla/context v0.0.0-20140604161150-14f550f51af5
github.com/gorilla/handlers v0.0.0-20140825150757-0e84b7d810c1
github.com/gorilla/mux v0.0.0-20140926153814-e444e69cbd2e
github.com/jlhawn/go-crypto v0.0.0-20150401213827-cd738dde20f0
github.com/yvasiyarov/go-metrics v0.0.0-20140926110328-57bccd1ccd43
github.com/yvasiyarov/gorelic v0.0.7-0.20141212073537-a9bba5b9ab50
github.com/yvasiyarov/newrelic_platform_go v0.0.0-20140908184405-b21fdbd4370f
golang.org/x/net v0.0.0-20150202051010-1dfe7915deaf
gopkg.in/check.v1 v1.0.0-20141024133853-64131543e789
gopkg.in/yaml.v2 v2.0.0-20150116202057-bef53efd0c76
)
-- y/go.mod.want --
module github.com/fishy/gcsbucket
go $goversion
require (
cloud.google.com/go v0.18.0
github.com/fishy/fsdb v0.0.0-20180217030800-5527ded01371
github.com/golang/protobuf v1.0.0
github.com/googleapis/gax-go v2.0.0+incompatible
golang.org/x/net v0.0.0-20180216171745-136a25c244d3
golang.org/x/oauth2 v0.0.0-20180207181906-543e37812f10
golang.org/x/text v0.3.1-0.20180208041248-4e4a3210bb54
google.golang.org/api v0.0.0-20180217000815-c7a403bb5fe1
google.golang.org/appengine v1.0.0
google.golang.org/genproto v0.0.0-20180206005123-2b5a72b8730b
google.golang.org/grpc v1.10.0
)

2
src/cmd/go/testdata/script/mod_convert_tsv_insecure.txt vendored
View File

@ -1,4 +1,6 @@
env GO111MODULE=on
env GOPROXY=direct
env GOSUMDB=off
[!net] skip
[!exec:git] skip

4
src/cmd/go/testdata/script/mod_init_dep.txt vendored
View File

@ -1,10 +1,6 @@
env GO111MODULE=on
env GOFLAGS=-mod=mod
# modconv uses git directly to examine what old 'go get' would
[!net] skip
[!exec:git] skip
# go mod init should populate go.mod from Gopkg.lock
go mod init x
stderr 'copying requirements from Gopkg.lock'

1
src/cmd/go/testdata/script/mod_init_glide.txt vendored
View File

@ -3,6 +3,7 @@
env GO111MODULE=on
env GOPROXY=direct
env GOSUMDB=
# Regression test for golang.org/issue/32161:
# 'go mod init' did not locate tags when resolving a commit to a pseudo-version.