The pruning for the synchronized mirrors is a option now. Default value: enable_prune = true (#3246)

Executed go fmt

getEngine() not handles DB parameters (#2972) (#2974)

Uses .AllCols() for Update in updateMirror()

Spanish traslation removed

Fixed a wrong way to ommit the --prune option in process.ExecDir() for MirrorUpdate function

modules/auth/repo_form.go

@@ -88,6 +88,7 @@ type RepoSettingForm struct {
 	Interval      int
 	MirrorAddress string
 	Private       bool
+	EnablePrune   bool
 
 	// Advanced settings
 	EnableWiki            bool