Centralize Go validation and build environments

internal/candidate/check.go

@@ -10,8 +10,8 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
-	"sync"
 
+	"gitea.maximumdirect.net/eric/ReleaseKit/internal/gotool"
 	"gitea.maximumdirect.net/eric/ReleaseKit/internal/process"
 	"gitea.maximumdirect.net/eric/ReleaseKit/internal/versioncontract"
 )
@@ -216,35 +216,13 @@ func hasLocalTag(ctx context.Context, repositoryDir, version string) (bool, erro
 }
 
 func runDefaultValidation(ctx context.Context, repositoryDir string, output io.Writer) error {
-	environment := map[string]string{
-		"GOWORK":      "off",
-		"GOPROXY":     "off",
-		"GONOPROXY":   "none",
-		"GOSUMDB":     "off",
-		"GOTOOLCHAIN": "local",
+	tool, err := gotool.New(ctx, repositoryDir)
+	if err != nil {
+		return fmt.Errorf("prepare Go toolchain: %w", err)
 	}
-	var writer io.Writer = output
-	if output != nil {
-		writer = &synchronizedWriter{writer: output}
-	}
-	return process.Run(ctx, process.Invocation{
-		Args:   []string{"go", "test", "-mod=readonly", "-count=1", "./..."},
-		Dir:    repositoryDir,
-		Env:    environment,
-		Stdout: writer,
-		Stderr: writer,
-	})
-}
-
-type synchronizedWriter struct {
-	mu     sync.Mutex
-	writer io.Writer
-}
-
-func (w *synchronizedWriter) Write(p []byte) (int, error) {
-	w.mu.Lock()
-	defer w.mu.Unlock()
-	return w.writer.Write(p)
+	_, err = tool.Run(ctx, repositoryDir, gotool.Native, gotool.Target{}, output,
+		"test", "-mod=readonly", "-count=1", "./...")
+	return err
 }
 
 func validStableVersion(version string) bool {