Use IsProd instead of testing if it's equal. (#14336)

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: zeripath <art27@cantab.net>

routers/init.go

@@ -50,7 +50,7 @@ func checkRunMode() {
 	default:
 		macaron.Env = macaron.PROD
 		macaron.ColorLog = false
-		setting.ProdMode = true
+		git.Debug = false
 	}
 	log.Info("Run Mode: %s", strings.Title(macaron.Env))
 }

routers/routes/recovery.go

@@ -29,7 +29,6 @@ func (d *dataStore) GetData() map[string]interface{} {
 // Although similar to macaron.Recovery() the main difference is that this error will be created
 // with the gitea 500 page.
 func Recovery() func(next http.Handler) http.Handler {
-	var isDevelopment = setting.RunMode != "prod"
 	return func(next http.Handler) http.Handler {
 		rnd := render.New(render.Options{
 			Extensions:    []string{".tmpl"},
@@ -37,7 +36,7 @@ func Recovery() func(next http.Handler) http.Handler {
 			Funcs:         templates.NewFuncMap(),
 			Asset:         templates.GetAsset,
 			AssetNames:    templates.GetAssetNames,
-			IsDevelopment: isDevelopment,
+			IsDevelopment: !setting.IsProd(),
 		})
 
 		return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
@@ -50,10 +49,10 @@ func Recovery() func(next http.Handler) http.Handler {
 					if err := recover(); err != nil {
 						combinedErr := fmt.Sprintf("PANIC: %v\n%s", err, string(log.Stack(2)))
 						log.Error(combinedErr)
-						if isDevelopment {
-							http.Error(w, combinedErr, 500)
-						} else {
+						if setting.IsProd() {
 							http.Error(w, http.StatusText(500), 500)
+						} else {
+							http.Error(w, combinedErr, 500)
 						}
 					}
 				}()
@@ -94,7 +93,7 @@ func Recovery() func(next http.Handler) http.Handler {
 
 					w.Header().Set(`X-Frame-Options`, `SAMEORIGIN`)
 
-					if setting.RunMode != "prod" {
+					if !setting.IsProd() {
 						store.Data["ErrorMsg"] = combinedErr
 					}
 					err = rnd.HTML(w, 500, "status/500", templates.BaseVars().Merge(store.Data))