Fix: minor fixes

Author: Loyalsoldier

lib/entry.go

@@ -43,18 +43,6 @@ func (e *Entry) hasIPv6Set() bool {
 	return e.ipv6Set != nil
 }
 
-// resetIPv4Set discards the cached IPv4 set, so that it will be rebuilt
-// from the builder on the next use.
-func (e *Entry) resetIPv4Set() {
-	e.ipv4Set = nil
-}
-
-// resetIPv6Set discards the cached IPv6 set, so that it will be rebuilt
-// from the builder on the next use.
-func (e *Entry) resetIPv6Set() {
-	e.ipv6Set = nil
-}
-
 func (e *Entry) GetIPv4Set() (*netipx.IPSet, error) {
 	if err := e.buildIPSet(); err != nil {
 		return nil, err

plugin/maxmind/maxmind_country_mmdb_out.go

@@ -380,13 +380,16 @@ func (g *GeoLite2CountryMMDBOut) writeFile(filename string, writer *mmdbwriter.T
 	if err != nil {
 		return err
 	}
-	defer f.Close()
 
 	_, err = writer.WriteTo(f)
 	if err != nil {
 		return err
 	}
 
+	if err = f.Close(); err != nil {
+		return err
+	}
+
 	log.Printf("✅ [%s] %s --> %s", g.Type, filename, g.OutputDir)
 
 	return nil

plugin/mihomo/mrs_out.go

@@ -165,14 +165,12 @@ func (m *MRSOut) writeFile(filename string, ipRanges []netipx.IPRange) error {
 		return err
 	}
 
-	defer f.Close()
-
 	err = m.convertToMrs(ipRanges, f)
 	if err != nil {
 		return err
 	}
 
-	if err := f.Close(); err != nil {
+	if err = f.Close(); err != nil {
 		return err
 	}
 
@@ -186,6 +184,7 @@ func (m *MRSOut) convertToMrs(ipRanges []netipx.IPRange, w io.Writer) (err error
 	if err != nil {
 		return err
 	}
+
 	defer func() {
 		if closeErr := encoder.Close(); closeErr != nil && err == nil {
 			err = closeErr

plugin/singbox/srs_out.go

@@ -183,14 +183,13 @@ func (s *SRSOut) writeFile(filename string, ruleset *option.PlainRuleSet) error
 	if err != nil {
 		return err
 	}
-	defer f.Close()
 
 	err = srs.Write(f, *ruleset, constant.RuleSetVersion1)
 	if err != nil {
 		return err
 	}
 
-	if err := f.Close(); err != nil {
+	if err = f.Close(); err != nil {
 		return err
 	}