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crypto/internal/cryptotest: print stderr if go tool fails

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Trying to find out why "go env GOMODCACHE" is failing
on the Windows longtest builder.

For #71508

Change-Id: I0642d5a5d85a549c6edde0be5bed8f0a16cca200
Cq-Include-Trybots: luci.golang.try:gotip-windows-amd64-longtest
Reviewed-on: https://go-review.googlesource.com/c/go/+/645895
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
This commit is contained in:
Ian Lance Taylor 2025-01-31 12:39:19 -08:00 committed by Gopher Robot
parent 5aa3d162d5
commit 4f11d5879a
1 changed files with 6 additions and 1 deletions
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7
src/crypto/internal/cryptotest/fetchmodule.go
View File

@ -9,6 +9,7 @@ import (
"encoding/json"
"internal/testenv"
"os"
"os/exec"
"testing"
)
@ -23,7 +24,11 @@ func FetchModule(t *testing.T, module, version string) string {
// instead. (For example, run.bash sets GOPATH=/nonexist-gopath.)
out, err := testenv.Command(t, goTool, "env", "GOMODCACHE").Output()
if err != nil {
t.Fatalf("%s env GOMODCACHE: %v\n%s", goTool, err, out)
t.Errorf("%s env GOMODCACHE: %v\n%s", goTool, err, out)
if ee, ok := err.(*exec.ExitError); ok {
t.Logf("%s", ee.Stderr)
}
t.FailNow()
}
modcacheOk := false
if gomodcache := string(bytes.TrimSpace(out)); gomodcache != "" {