diff options
Diffstat (limited to 'vendor/golang.org/x/tools/go/packages/external.go')
-rw-r--r-- | vendor/golang.org/x/tools/go/packages/external.go | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/vendor/golang.org/x/tools/go/packages/external.go b/vendor/golang.org/x/tools/go/packages/external.go deleted file mode 100644 index 22ff769e..00000000 --- a/vendor/golang.org/x/tools/go/packages/external.go +++ /dev/null @@ -1,79 +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. - -// This file enables an external tool to intercept package requests. -// If the tool is present then its results are used in preference to -// the go list command. - -package packages - -import ( - "bytes" - "encoding/json" - "fmt" - "os/exec" - "strings" -) - -// Driver -type driverRequest struct { - Command string `json:"command"` - Mode LoadMode `json:"mode"` - Env []string `json:"env"` - BuildFlags []string `json:"build_flags"` - Tests bool `json:"tests"` - Overlay map[string][]byte `json:"overlay"` -} - -// findExternalDriver returns the file path of a tool that supplies -// the build system package structure, or "" if not found." -// If GOPACKAGESDRIVER is set in the environment findExternalTool returns its -// value, otherwise it searches for a binary named gopackagesdriver on the PATH. -func findExternalDriver(cfg *Config) driver { - const toolPrefix = "GOPACKAGESDRIVER=" - tool := "" - for _, env := range cfg.Env { - if val := strings.TrimPrefix(env, toolPrefix); val != env { - tool = val - } - } - if tool != "" && tool == "off" { - return nil - } - if tool == "" { - var err error - tool, err = exec.LookPath("gopackagesdriver") - if err != nil { - return nil - } - } - return func(cfg *Config, words ...string) (*driverResponse, error) { - req, err := json.Marshal(driverRequest{ - Mode: cfg.Mode, - Env: cfg.Env, - BuildFlags: cfg.BuildFlags, - Tests: cfg.Tests, - Overlay: cfg.Overlay, - }) - if err != nil { - return nil, fmt.Errorf("failed to encode message to driver tool: %v", err) - } - - buf := new(bytes.Buffer) - cmd := exec.CommandContext(cfg.Context, tool, words...) - cmd.Dir = cfg.Dir - cmd.Env = cfg.Env - cmd.Stdin = bytes.NewReader(req) - cmd.Stdout = buf - cmd.Stderr = new(bytes.Buffer) - if err := cmd.Run(); err != nil { - return nil, fmt.Errorf("%v: %v: %s", tool, err, cmd.Stderr) - } - var response driverResponse - if err := json.Unmarshal(buf.Bytes(), &response); err != nil { - return nil, err - } - return &response, nil - } -} |