[F3] it is experimental, do not enable by default

custom/conf/app.example.ini

@@ -2446,7 +2446,7 @@ ROUTER = console
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
 ;; Enable/Disable Friendly Forge Format (F3)
-;ENABLED = true
+;ENABLED = false
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

modules/setting/f3.go

@@ -11,7 +11,7 @@ var (
 	F3 = struct {
 		Enabled bool
 	}{
-		Enabled: true,
+		Enabled: false,
 	}
 )
 

tests/integration/cmd_f3_test.go

@@ -24,6 +24,7 @@ import (
 func Test_CmdF3(t *testing.T) {
 	onGiteaRun(t, func(*testing.T, *url.URL) {
 		AllowLocalNetworks := setting.Migrations.AllowLocalNetworks
+		setting.F3.Enabled = true
 		setting.Migrations.AllowLocalNetworks = true
 		// without migrations.Init() AllowLocalNetworks = true is not effective and
 		// a http call fails with "...migration can only call allowed HTTP servers..."

tests/integration/f3_test.go

@@ -25,6 +25,7 @@ import (
 func TestF3(t *testing.T) {
 	onGiteaRun(t, func(t *testing.T, u *url.URL) {
 		AllowLocalNetworks := setting.Migrations.AllowLocalNetworks
+		setting.F3.Enabled = true
 		setting.Migrations.AllowLocalNetworks = true
 		AppVer := setting.AppVer
 		// Gitea SDK (go-sdk) need to parse the AppVer from server response, so we must set it to a valid version string.