mirror of
https://github.com/go-gitea/gitea
synced 2025-07-22 18:28:37 +00:00
Update gitea-vet to v0.2.1 (#12282)
* change to new code location * vendor * tagged version v0.2.0 * gitea-vet v0.2.1 Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
142
vendor/golang.org/x/tools/internal/gocommand/invoke.go
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vendored
142
vendor/golang.org/x/tools/internal/gocommand/invoke.go
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vendored
@@ -1,3 +1,7 @@
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// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package gocommand is a helper for calling the go command.
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package gocommand
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@@ -8,10 +12,119 @@ import (
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"io"
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"os"
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"os/exec"
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"regexp"
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"strings"
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"sync"
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"time"
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"golang.org/x/tools/internal/event"
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)
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// An Runner will run go command invocations and serialize
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// them if it sees a concurrency error.
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type Runner struct {
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// once guards the runner initialization.
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once sync.Once
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// inFlight tracks available workers.
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inFlight chan struct{}
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// serialized guards the ability to run a go command serially,
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// to avoid deadlocks when claiming workers.
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serialized chan struct{}
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}
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const maxInFlight = 10
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func (runner *Runner) initialize() {
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runner.once.Do(func() {
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runner.inFlight = make(chan struct{}, maxInFlight)
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runner.serialized = make(chan struct{}, 1)
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})
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}
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// 1.13: go: updates to go.mod needed, but contents have changed
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// 1.14: go: updating go.mod: existing contents have changed since last read
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var modConcurrencyError = regexp.MustCompile(`go:.*go.mod.*contents have changed`)
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// Run is a convenience wrapper around RunRaw.
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// It returns only stdout and a "friendly" error.
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func (runner *Runner) Run(ctx context.Context, inv Invocation) (*bytes.Buffer, error) {
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stdout, _, friendly, _ := runner.RunRaw(ctx, inv)
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return stdout, friendly
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}
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// RunPiped runs the invocation serially, always waiting for any concurrent
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// invocations to complete first.
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func (runner *Runner) RunPiped(ctx context.Context, inv Invocation, stdout, stderr io.Writer) error {
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_, err := runner.runPiped(ctx, inv, stdout, stderr)
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return err
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}
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// RunRaw runs the invocation, serializing requests only if they fight over
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// go.mod changes.
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func (runner *Runner) RunRaw(ctx context.Context, inv Invocation) (*bytes.Buffer, *bytes.Buffer, error, error) {
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// Make sure the runner is always initialized.
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runner.initialize()
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// First, try to run the go command concurrently.
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stdout, stderr, friendlyErr, err := runner.runConcurrent(ctx, inv)
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// If we encounter a load concurrency error, we need to retry serially.
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if friendlyErr == nil || !modConcurrencyError.MatchString(friendlyErr.Error()) {
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return stdout, stderr, friendlyErr, err
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}
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event.Error(ctx, "Load concurrency error, will retry serially", err)
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// Run serially by calling runPiped.
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stdout.Reset()
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stderr.Reset()
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friendlyErr, err = runner.runPiped(ctx, inv, stdout, stderr)
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return stdout, stderr, friendlyErr, err
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}
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func (runner *Runner) runConcurrent(ctx context.Context, inv Invocation) (*bytes.Buffer, *bytes.Buffer, error, error) {
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// Wait for 1 worker to become available.
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select {
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case <-ctx.Done():
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return nil, nil, nil, ctx.Err()
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case runner.inFlight <- struct{}{}:
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defer func() { <-runner.inFlight }()
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}
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stdout, stderr := &bytes.Buffer{}, &bytes.Buffer{}
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friendlyErr, err := inv.runWithFriendlyError(ctx, stdout, stderr)
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return stdout, stderr, friendlyErr, err
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}
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func (runner *Runner) runPiped(ctx context.Context, inv Invocation, stdout, stderr io.Writer) (error, error) {
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// Make sure the runner is always initialized.
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runner.initialize()
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// Acquire the serialization lock. This avoids deadlocks between two
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// runPiped commands.
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select {
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case <-ctx.Done():
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return nil, ctx.Err()
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case runner.serialized <- struct{}{}:
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defer func() { <-runner.serialized }()
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}
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// Wait for all in-progress go commands to return before proceeding,
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// to avoid load concurrency errors.
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for i := 0; i < maxInFlight; i++ {
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select {
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case <-ctx.Done():
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return nil, ctx.Err()
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case runner.inFlight <- struct{}{}:
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// Make sure we always "return" any workers we took.
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defer func() { <-runner.inFlight }()
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}
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}
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return inv.runWithFriendlyError(ctx, stdout, stderr)
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}
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// An Invocation represents a call to the go command.
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type Invocation struct {
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Verb string
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@@ -22,20 +135,10 @@ type Invocation struct {
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Logf func(format string, args ...interface{})
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}
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// Run runs the invocation, returning its stdout and an error suitable for
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// human consumption, including stderr.
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func (i *Invocation) Run(ctx context.Context) (*bytes.Buffer, error) {
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stdout, _, friendly, _ := i.RunRaw(ctx)
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return stdout, friendly
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}
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// RunRaw is like RunPiped, but also returns the raw stderr and error for callers
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// that want to do low-level error handling/recovery.
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func (i *Invocation) RunRaw(ctx context.Context) (stdout *bytes.Buffer, stderr *bytes.Buffer, friendlyError error, rawError error) {
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stdout = &bytes.Buffer{}
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stderr = &bytes.Buffer{}
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rawError = i.RunPiped(ctx, stdout, stderr)
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func (i *Invocation) runWithFriendlyError(ctx context.Context, stdout, stderr io.Writer) (friendlyError error, rawError error) {
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rawError = i.run(ctx, stdout, stderr)
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if rawError != nil {
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friendlyError = rawError
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// Check for 'go' executable not being found.
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if ee, ok := rawError.(*exec.Error); ok && ee.Err == exec.ErrNotFound {
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friendlyError = fmt.Errorf("go command required, not found: %v", ee)
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@@ -43,13 +146,12 @@ func (i *Invocation) RunRaw(ctx context.Context) (stdout *bytes.Buffer, stderr *
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if ctx.Err() != nil {
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friendlyError = ctx.Err()
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}
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friendlyError = fmt.Errorf("err: %v: stderr: %s", rawError, stderr)
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friendlyError = fmt.Errorf("err: %v: stderr: %s", friendlyError, stderr)
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}
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return
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}
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// RunPiped is like Run, but relies on the given stdout/stderr
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func (i *Invocation) RunPiped(ctx context.Context, stdout, stderr io.Writer) error {
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func (i *Invocation) run(ctx context.Context, stdout, stderr io.Writer) error {
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log := i.Logf
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if log == nil {
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log = func(string, ...interface{}) {}
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@@ -78,9 +180,11 @@ func (i *Invocation) RunPiped(ctx context.Context, stdout, stderr io.Writer) err
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// The Go stdlib has a special feature where if the cwd and the PWD are the
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// same node then it trusts the PWD, so by setting it in the env for the child
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// process we fix up all the paths returned by the go command.
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cmd.Env = append(append([]string{}, i.Env...), "PWD="+i.WorkingDir)
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cmd.Dir = i.WorkingDir
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cmd.Env = append(os.Environ(), i.Env...)
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if i.WorkingDir != "" {
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cmd.Env = append(cmd.Env, "PWD="+i.WorkingDir)
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cmd.Dir = i.WorkingDir
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}
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defer func(start time.Time) { log("%s for %v", time.Since(start), cmdDebugStr(cmd)) }(time.Now())
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return runCmdContext(ctx, cmd)
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102
vendor/golang.org/x/tools/internal/gocommand/vendor.go
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vendored
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102
vendor/golang.org/x/tools/internal/gocommand/vendor.go
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Normal file
@@ -0,0 +1,102 @@
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// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gocommand
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import (
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"bytes"
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"context"
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"golang.org/x/mod/semver"
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)
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// ModuleJSON holds information about a module.
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type ModuleJSON struct {
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Path string // module path
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Replace *ModuleJSON // replaced by this module
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Main bool // is this the main module?
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Indirect bool // is this module only an indirect dependency of main module?
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Dir string // directory holding files for this module, if any
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GoMod string // path to go.mod file for this module, if any
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GoVersion string // go version used in module
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}
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var modFlagRegexp = regexp.MustCompile(`-mod[ =](\w+)`)
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// VendorEnabled reports whether vendoring is enabled. It takes a *Runner to execute Go commands
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// with the supplied context.Context and Invocation. The Invocation can contain pre-defined fields,
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// of which only Verb and Args are modified to run the appropriate Go command.
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// Inspired by setDefaultBuildMod in modload/init.go
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func VendorEnabled(ctx context.Context, inv Invocation, r *Runner) (*ModuleJSON, bool, error) {
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mainMod, go114, err := getMainModuleAnd114(ctx, inv, r)
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if err != nil {
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return nil, false, err
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}
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// We check the GOFLAGS to see if there is anything overridden or not.
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inv.Verb = "env"
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inv.Args = []string{"GOFLAGS"}
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stdout, err := r.Run(ctx, inv)
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if err != nil {
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return nil, false, err
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}
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goflags := string(bytes.TrimSpace(stdout.Bytes()))
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matches := modFlagRegexp.FindStringSubmatch(goflags)
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var modFlag string
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if len(matches) != 0 {
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modFlag = matches[1]
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}
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if modFlag != "" {
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// Don't override an explicit '-mod=' argument.
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return mainMod, modFlag == "vendor", nil
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}
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if mainMod == nil || !go114 {
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return mainMod, false, nil
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}
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// Check 1.14's automatic vendor mode.
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if fi, err := os.Stat(filepath.Join(mainMod.Dir, "vendor")); err == nil && fi.IsDir() {
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if mainMod.GoVersion != "" && semver.Compare("v"+mainMod.GoVersion, "v1.14") >= 0 {
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// The Go version is at least 1.14, and a vendor directory exists.
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// Set -mod=vendor by default.
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return mainMod, true, nil
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}
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}
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return mainMod, false, nil
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}
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// getMainModuleAnd114 gets the main module's information and whether the
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// go command in use is 1.14+. This is the information needed to figure out
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// if vendoring should be enabled.
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func getMainModuleAnd114(ctx context.Context, inv Invocation, r *Runner) (*ModuleJSON, bool, error) {
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const format = `{{.Path}}
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{{.Dir}}
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{{.GoMod}}
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{{.GoVersion}}
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{{range context.ReleaseTags}}{{if eq . "go1.14"}}{{.}}{{end}}{{end}}
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`
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inv.Verb = "list"
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inv.Args = []string{"-m", "-f", format}
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stdout, err := r.Run(ctx, inv)
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if err != nil {
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return nil, false, err
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}
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lines := strings.Split(stdout.String(), "\n")
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if len(lines) < 5 {
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return nil, false, fmt.Errorf("unexpected stdout: %q", stdout.String())
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}
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mod := &ModuleJSON{
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Path: lines[0],
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Dir: lines[1],
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GoMod: lines[2],
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GoVersion: lines[3],
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Main: true,
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}
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return mod, lines[4] == "go1.14", nil
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}
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