qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-10-01 07:28:35 -06:00
Code Releases Activity

go/packages: give a better error if 'go' is missing

Browse Source 
If we can't execute the go command, check to see if it exists. If it doesn't,
say so in the error.

Fixes golang/go#29552

Change-Id: Iffd2db5fc8f1daa2e458eaa326b27d9a0d971b6b
Reviewed-on: https://go-review.googlesource.com/c/tools/+/168777
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Cottrell <iancottrell@google.com>
This commit is contained in:
Michael Matloob 2019-03-21 16:31:13 -04:00
parent 86483bace6
commit 43e94f7338
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
go/packages/golist.go
View File

@ -7,6 +7,7 @@ package packages
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"go/types"
"io/ioutil"
@ -743,6 +744,11 @@ func invokeGo(cfg *Config, args ...string) (*bytes.Buffer, error) {
// Catastrophic error:
// - executable not found
// - context cancellation
// Check for executable not existing.
if _, err := exec.LookPath("go"); err != nil {
return nil, errors.New("'go list' driver requires 'go' to be installed")
}
return nil, fmt.Errorf("couldn't exec 'go %v': %s %T", args, err, err)
}