diff options
Diffstat (limited to 'go')
-rw-r--r-- | go/internal/packagesdriver/sizes.go | 102 | ||||
-rw-r--r-- | go/packages/golist.go | 48 | ||||
-rw-r--r-- | go/packages/packagestest/modules.go | 28 |
3 files changed, 46 insertions, 132 deletions
diff --git a/go/internal/packagesdriver/sizes.go b/go/internal/packagesdriver/sizes.go index db0c9a7ea..5ee692d38 100644 --- a/go/internal/packagesdriver/sizes.go +++ b/go/internal/packagesdriver/sizes.go @@ -11,11 +11,10 @@ import ( "encoding/json" "fmt" "go/types" - "log" - "os" "os/exec" "strings" - "time" + + "golang.org/x/tools/internal/gocommand" ) var debug = false @@ -78,97 +77,42 @@ func GetSizes(ctx context.Context, buildFlags, env []string, dir string, usesExp } func GetSizesGolist(ctx context.Context, buildFlags, env []string, dir string, usesExportData bool) (types.Sizes, error) { - args := []string{"list", "-f", "{{context.GOARCH}} {{context.Compiler}}"} - args = append(args, buildFlags...) - args = append(args, "--", "unsafe") - stdout, stderr, err := invokeGo(ctx, env, dir, usesExportData, args...) + inv := gocommand.Invocation{ + Verb: "list", + Args: []string{"-f", "{{context.GOARCH}} {{context.Compiler}}", "--", "unsafe"}, + Env: env, + BuildFlags: buildFlags, + WorkingDir: dir, + } + stdout, stderr, friendlyErr, rawErr := inv.RunRaw(ctx) var goarch, compiler string - if err != nil { - if strings.Contains(err.Error(), "cannot find main module") { + if rawErr != nil { + if strings.Contains(rawErr.Error(), "cannot find main module") { // User's running outside of a module. All bets are off. Get GOARCH and guess compiler is gc. // TODO(matloob): Is this a problem in practice? - envout, _, enverr := invokeGo(ctx, env, dir, usesExportData, "env", "GOARCH") + inv := gocommand.Invocation{ + Verb: "env", + Args: []string{"GOARCH"}, + Env: env, + WorkingDir: dir, + } + envout, enverr := inv.Run(ctx) if enverr != nil { - return nil, err + return nil, enverr } goarch = strings.TrimSpace(envout.String()) compiler = "gc" } else { - return nil, err + return nil, friendlyErr } } else { fields := strings.Fields(stdout.String()) if len(fields) < 2 { - return nil, fmt.Errorf("could not parse GOARCH and Go compiler in format \"<GOARCH> <compiler>\" from stdout of go command:\n%s\ndir: %s\nstdout: <<%s>>\nstderr: <<%s>>", - cmdDebugStr(env, args...), dir, stdout.String(), stderr.String()) + return nil, fmt.Errorf("could not parse GOARCH and Go compiler in format \"<GOARCH> <compiler>\":\nstdout: <<%s>>\nstderr: <<%s>>", + stdout.String(), stderr.String()) } goarch = fields[0] compiler = fields[1] } return types.SizesFor(compiler, goarch), nil } - -// invokeGo returns the stdout and stderr of a go command invocation. -func invokeGo(ctx context.Context, env []string, dir string, usesExportData bool, args ...string) (*bytes.Buffer, *bytes.Buffer, error) { - if debug { - defer func(start time.Time) { log.Printf("%s for %v", time.Since(start), cmdDebugStr(env, args...)) }(time.Now()) - } - stdout := new(bytes.Buffer) - stderr := new(bytes.Buffer) - cmd := exec.CommandContext(ctx, "go", args...) - // On darwin the cwd gets resolved to the real path, which breaks anything that - // expects the working directory to keep the original path, including the - // go command when dealing with modules. - // The Go stdlib has a special feature where if the cwd and the PWD are the - // same node then it trusts the PWD, so by setting it in the env for the child - // process we fix up all the paths returned by the go command. - cmd.Env = append(append([]string{}, env...), "PWD="+dir) - cmd.Dir = dir - cmd.Stdout = stdout - cmd.Stderr = stderr - if err := cmd.Run(); err != nil { - exitErr, ok := err.(*exec.ExitError) - if !ok { - // Catastrophic error: - // - executable not found - // - context cancellation - return nil, nil, fmt.Errorf("couldn't exec 'go %v': %s %T", args, err, err) - } - - // Export mode entails a build. - // If that build fails, errors appear on stderr - // (despite the -e flag) and the Export field is blank. - // Do not fail in that case. - if !usesExportData { - return nil, nil, fmt.Errorf("go %v: %s: %s", args, exitErr, stderr) - } - } - - // As of writing, go list -export prints some non-fatal compilation - // errors to stderr, even with -e set. We would prefer that it put - // them in the Package.Error JSON (see https://golang.org/issue/26319). - // In the meantime, there's nowhere good to put them, but they can - // be useful for debugging. Print them if $GOPACKAGESPRINTGOLISTERRORS - // is set. - if len(stderr.Bytes()) != 0 && os.Getenv("GOPACKAGESPRINTGOLISTERRORS") != "" { - fmt.Fprintf(os.Stderr, "%s stderr: <<%s>>\n", cmdDebugStr(env, args...), stderr) - } - - // debugging - if false { - fmt.Fprintf(os.Stderr, "%s stdout: <<%s>>\n", cmdDebugStr(env, args...), stdout) - } - - return stdout, stderr, nil -} - -func cmdDebugStr(envlist []string, args ...string) string { - env := make(map[string]string) - for _, kv := range envlist { - split := strings.Split(kv, "=") - k, v := split[0], split[1] - env[k] = v - } - - return fmt.Sprintf("GOROOT=%v GOPATH=%v GO111MODULE=%v PWD=%v go %v", env["GOROOT"], env["GOPATH"], env["GO111MODULE"], env["PWD"], args) -} diff --git a/go/packages/golist.go b/go/packages/golist.go index 459f4addf..b4a13ef45 100644 --- a/go/packages/golist.go +++ b/go/packages/golist.go @@ -20,10 +20,10 @@ import ( "strconv" "strings" "sync" - "time" "unicode" "golang.org/x/tools/go/internal/packagesdriver" + "golang.org/x/tools/internal/gocommand" "golang.org/x/tools/internal/packagesinternal" ) @@ -707,29 +707,17 @@ func golistargs(cfg *Config, words []string) []string { func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, error) { cfg := state.cfg - stdout := new(bytes.Buffer) - stderr := new(bytes.Buffer) - goArgs := []string{verb} - if verb != "env" { - goArgs = append(goArgs, cfg.BuildFlags...) - } - goArgs = append(goArgs, args...) - cmd := exec.CommandContext(state.ctx, "go", goArgs...) - // On darwin the cwd gets resolved to the real path, which breaks anything that - // expects the working directory to keep the original path, including the - // go command when dealing with modules. - // The Go stdlib has a special feature where if the cwd and the PWD are the - // same node then it trusts the PWD, so by setting it in the env for the child - // process we fix up all the paths returned by the go command. - cmd.Env = append(append([]string{}, cfg.Env...), "PWD="+cfg.Dir) - cmd.Dir = cfg.Dir - cmd.Stdout = stdout - cmd.Stderr = stderr - defer func(start time.Time) { - cfg.Logf("%s for %v, stderr: <<%s>> stdout: <<%s>>\n", time.Since(start), cmdDebugStr(cmd, goArgs...), stderr, stdout) - }(time.Now()) - - if err := cmd.Run(); err != nil { + inv := &gocommand.Invocation{ + Verb: verb, + Args: args, + BuildFlags: cfg.BuildFlags, + Env: cfg.Env, + Logf: cfg.Logf, + WorkingDir: cfg.Dir, + } + + stdout, stderr, _, err := inv.RunRaw(cfg.Context) + if err != nil { // Check for 'go' executable not being found. if ee, ok := err.(*exec.Error); ok && ee.Err == exec.ErrNotFound { return nil, fmt.Errorf("'go list' driver requires 'go', but %s", exec.ErrNotFound) @@ -739,7 +727,7 @@ func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, if !ok { // Catastrophic error: // - context cancellation - return nil, fmt.Errorf("couldn't exec 'go %v': %s %T", args, err, err) + return nil, fmt.Errorf("couldn't run 'go': %v", err) } // Old go version? @@ -860,16 +848,6 @@ func (state *golistState) invokeGo(verb string, args ...string) (*bytes.Buffer, return nil, fmt.Errorf("go %v: %s: %s", args, exitErr, stderr) } } - - // As of writing, go list -export prints some non-fatal compilation - // errors to stderr, even with -e set. We would prefer that it put - // them in the Package.Error JSON (see https://golang.org/issue/26319). - // In the meantime, there's nowhere good to put them, but they can - // be useful for debugging. Print them if $GOPACKAGESPRINTGOLISTERRORS - // is set. - if len(stderr.Bytes()) != 0 && os.Getenv("GOPACKAGESPRINTGOLISTERRORS") != "" { - fmt.Fprintf(os.Stderr, "%s stderr: <<%s>>\n", cmdDebugStr(cmd, args...), stderr) - } return stdout, nil } diff --git a/go/packages/packagestest/modules.go b/go/packages/packagestest/modules.go index e393cdca0..8bf830ad4 100644 --- a/go/packages/packagestest/modules.go +++ b/go/packages/packagestest/modules.go @@ -6,17 +6,16 @@ package packagestest import ( "archive/zip" - "bytes" + "context" "fmt" "io/ioutil" "os" - "os/exec" "path" "path/filepath" "regexp" "strings" - "golang.org/x/tools/go/packages" + "golang.org/x/tools/internal/gocommand" ) // Modules is the exporter that produces module layouts. @@ -170,7 +169,14 @@ func (modules) Finalize(exported *Exported) error { // Run go mod download to recreate the mod cache dir with all the extra // stuff in cache. All the files created by Export should be recreated. - if err := invokeGo(exported.Config, "mod", "download"); err != nil { + inv := gocommand.Invocation{ + Verb: "mod", + Args: []string{"download"}, + Env: exported.Config.Env, + BuildFlags: exported.Config.BuildFlags, + WorkingDir: exported.Config.Dir, + } + if _, err := inv.Run(context.Background()); err != nil { return err } return nil @@ -237,20 +243,6 @@ func writeModuleProxy(dir, module, ver string, files map[string]string) error { return nil } -func invokeGo(cfg *packages.Config, args ...string) error { - stdout := new(bytes.Buffer) - stderr := new(bytes.Buffer) - cmd := exec.Command("go", args...) - cmd.Env = append(append([]string{}, cfg.Env...), "PWD="+cfg.Dir) - cmd.Dir = cfg.Dir - cmd.Stdout = stdout - cmd.Stderr = stderr - if err := cmd.Run(); err != nil { - return fmt.Errorf("go %v: %s: %s", args, err, stderr) - } - return nil -} - func modCache(exported *Exported) string { return filepath.Join(exported.temp, "modcache/pkg/mod") } |