blob: 5858603578854d7951eb817284f1acdedf58983c [file] [log] [blame]
package source
import (
errors ""
// InvokeGo returns the output of a go command invocation.
// It does not try to recover from errors.
func InvokeGo(ctx context.Context, dir string, env []string, args ...string) (*bytes.Buffer, error) {
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 {
// Check for 'go' executable not being found.
if ee, ok := err.(*exec.Error); ok && ee.Err == exec.ErrNotFound {
return nil, fmt.Errorf("'gopls requires 'go', but %s", exec.ErrNotFound)
if ctx.Err() != nil {
return nil, ctx.Err()
return stdout, errors.Errorf("err: %v: stderr: %s", err, stderr)
return stdout, nil