fix: lint

pkg/db/mysql.go

@@ -79,7 +79,9 @@ func (r *MySQL) DatabaseExists(name string) (bool, error) {
 	if err != nil {
 		return false, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	for rows.Next() {
 		var database string
@@ -134,7 +136,9 @@ func (r *MySQL) UserPrivileges(user, host string) ([]string, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	re := regexp.MustCompile(`GRANT\s+ALL PRIVILEGES\s+ON\s+[\x60'"]?([^\s\x60'"]+)[\x60'"]?\.\*\s+TO\s+`)
 	var databases []string
@@ -167,7 +171,9 @@ func (r *MySQL) Users() ([]types.MySQLUser, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	var users []types.MySQLUser
 	for rows.Next() {
@@ -204,7 +210,9 @@ func (r *MySQL) Databases() ([]types.MySQLDatabase, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	var databases []types.MySQLDatabase
 	for rows.Next() {
@@ -227,7 +235,9 @@ func (r *MySQL) userGrants(user, host string) ([]string, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	var grants []string
 	for rows.Next() {

pkg/db/postgres.go

@@ -140,7 +140,9 @@ func (r *Postgres) UserPrivileges(user string) ([]string, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	var databases []string
 
@@ -190,7 +192,9 @@ func (r *Postgres) Users() ([]types.PostgresUser, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	var users []types.PostgresUser
 	for rows.Next() {
@@ -241,7 +245,9 @@ func (r *Postgres) Databases() ([]types.PostgresDatabase, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer rows.Close()
+	defer func(rows *sql.Rows) {
+		_ = rows.Close()
+	}(rows)
 
 	var databases []types.PostgresDatabase
 	for rows.Next() {

pkg/io/file.go

@@ -35,7 +35,9 @@ func Write(path string, data string, permission os.FileMode) error {
 	if err != nil {
 		return err
 	}
-	defer file.Close()
+	defer func(file *os.File) {
+		_ = file.Close()
+	}(file)
 
 	_, err = file.WriteString(data)
 	if err != nil {
@@ -71,7 +73,9 @@ func WriteAppend(path string, data string, permission os.FileMode) error {
 	if err != nil {
 		return err
 	}
-	defer file.Close()
+	defer func(file *os.File) {
+		_ = file.Close()
+	}(file)
 
 	_, err = file.WriteString(data)
 	if err != nil {

pkg/os/os.go

@@ -13,7 +13,9 @@ func readOSRelease() map[string]string {
 	if err != nil {
 		return nil
 	}
-	defer file.Close()
+	defer func(file *os.File) {
+		_ = file.Close()
+	}(file)
 
 	osRelease := make(map[string]string)
 	scanner := bufio.NewScanner(file)
@@ -67,7 +69,9 @@ func TCPPortInUse(port uint) bool {
 	if err != nil {
 		return true
 	}
-	defer conn.Close()
+	defer func(conn net.Listener) {
+		_ = conn.Close()
+	}(conn)
 	return false
 }
 
@@ -77,6 +81,8 @@ func UDPPortInUse(port uint) bool {
 	if err != nil {
 		return true
 	}
-	defer conn.Close()
+	defer func(conn net.PacketConn) {
+		_ = conn.Close()
+	}(conn)
 	return false
 }

pkg/shell/exec.go

@@ -203,7 +203,9 @@ func ExecfWithTTY(shell string, args ...any) (string, error) {
 	if err != nil {
 		return "", fmt.Errorf("run %s failed", shell)
 	}
-	defer f.Close()
+	defer func(f *os.File) {
+		_ = f.Close()
+	}(f)
 
 	if _, err = io.Copy(&out, f); ptyError(err) != nil {
 		return "", fmt.Errorf("run %s failed, out: %s, err: %w", shell, strings.TrimSpace(out.String()), err)

pkg/ssh/turn.go

@@ -58,7 +58,9 @@ func (t *Turn) Write(p []byte) (n int, err error) {
 	if err != nil {
 		return 0, err
 	}
-	defer writer.Close()
+	defer func(writer io.WriteCloser) {
+		_ = writer.Close()
+	}(writer)
 
 	return writer.Write(p)
 }

pkg/tools/tools.go

@@ -155,7 +155,9 @@ func GetLocalIPv4() (string, error) {
 	if err != nil {
 		return "", err
 	}
-	defer conn.Close()
+	defer func(conn stdnet.Conn) {
+		_ = conn.Close()
+	}(conn)
 
 	local := conn.LocalAddr().(*stdnet.UDPAddr)
 	return local.IP.String(), nil
@@ -167,7 +169,9 @@ func GetLocalIPv6() (string, error) {
 	if err != nil {
 		return "", err
 	}
-	defer conn.Close()
+	defer func(conn stdnet.Conn) {
+		_ = conn.Close()
+	}(conn)
 
 	local := conn.LocalAddr().(*stdnet.UDPAddr)
 	return local.IP.String(), nil