1
0
mirror of https://github.com/golang/go synced 2024-10-01 04:18:33 -06:00
go/internal/lsp/source/errors.go
Rebecca Stambler bdfa187a52 internal/lsp: remove the checkErrors command in internal/lsp/source
Now that the view can report its own validity, we no longer need to have
an extra function to handle that.

Change-Id: Icd22f9b08601bd0fe18be064c43d21be2d6782e7
Reviewed-on: https://go-review.googlesource.com/c/tools/+/216144
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Heschi Kreinick <heschi@google.com>
2020-01-24 21:19:55 +00:00

41 lines
1.3 KiB
Go

package source
import (
"bytes"
"context"
"fmt"
"os/exec"
errors "golang.org/x/xerrors"
)
// 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
}