update

internal/hubmodule/golang/hooks.go

@@ -0,0 +1,27 @@
+package golang
+
+import "github.com/any-hub/any-hub/internal/proxy/hooks"
+
+import "strings"
+
+func init() {
+	hooks.MustRegister("go", hooks.Hooks{
+		CachePolicy: cachePolicy,
+	})
+}
+
+func cachePolicy(_ *hooks.RequestContext, locatorPath string, current hooks.CachePolicy) hooks.CachePolicy {
+	if strings.Contains(locatorPath, "/@v/") &&
+		(strings.HasSuffix(locatorPath, ".zip") ||
+			strings.HasSuffix(locatorPath, ".mod") ||
+			strings.HasSuffix(locatorPath, ".info")) {
+		current.AllowCache = true
+		current.AllowStore = true
+		current.RequireRevalidate = false
+		return current
+	}
+	current.AllowCache = true
+	current.AllowStore = true
+	current.RequireRevalidate = true
+	return current
+}

internal/hubmodule/golang/hooks_test.go

@@ -0,0 +1,19 @@
+package golang
+
+import (
+	"testing"
+
+	"github.com/any-hub/any-hub/internal/proxy/hooks"
+)
+
+func TestCachePolicyForModuleFiles(t *testing.T) {
+	policy := cachePolicy(nil, "/example/@v/v1.0.0.zip", hooks.CachePolicy{})
+	if !policy.AllowCache || policy.RequireRevalidate {
+		t.Fatalf("expected immutable go artifacts to be cacheable without revalidate")
+	}
+
+	policy = cachePolicy(nil, "/example/@latest", hooks.CachePolicy{})
+	if !policy.RequireRevalidate {
+		t.Fatalf("expected non-artifacts to require revalidate")
+	}
+}

internal/hubmodule/golang/module.go

@@ -0,0 +1,28 @@
+package golang
+
+import (
+	"time"
+
+	"github.com/any-hub/any-hub/internal/hubmodule"
+)
+
+const goDefaultTTL = 30 * time.Minute
+
+func init() {
+	hubmodule.MustRegister(hubmodule.ModuleMetadata{
+		Key:            "go",
+		Description:    "Go module proxy with sumdb/cache defaults",
+		MigrationState: hubmodule.MigrationStateBeta,
+		SupportedProtocols: []string{
+			"go",
+		},
+		CacheStrategy: hubmodule.CacheStrategyProfile{
+			TTLHint:                goDefaultTTL,
+			ValidationMode:         hubmodule.ValidationModeLastModified,
+			DiskLayout:             "raw_path",
+			RequiresMetadataFile:   false,
+			SupportsStreamingWrite: true,
+		},
+		LocatorRewrite: hubmodule.DefaultLocatorRewrite("go"),
+	})
+}