[优化] 使用 slog 替代 fmt 进行日志输出

openflare_agent/internal/updater/restart_unix.go

@@ -4,22 +4,39 @@ package updater
 
 import (
 	"fmt"
+	"log/slog"
 	"os"
 	"syscall"
 )
 
 func replaceAndRestart(execPath string, tmpPath string) error {
 	backupPath := execPath + ".bak"
-	os.Remove(backupPath)
+	err := os.Remove(backupPath)
+	if err != nil {
+		slog.Error("remove backup binary failed", "path", backupPath, "error", err)
+		return err
+	}
 	if err := os.Rename(execPath, backupPath); err != nil {
-		os.Remove(tmpPath)
+		err := os.Remove(tmpPath)
+		if err != nil {
+			slog.Error("remove tmp binary failed", "path", tmpPath, "error", err)
+			return err
+		}
 		return fmt.Errorf("backup current binary: %w", err)
 	}
 	if err := os.Rename(tmpPath, execPath); err != nil {
-		os.Rename(backupPath, execPath)
+		err := os.Rename(backupPath, execPath)
+		if err != nil {
+			slog.Error("restore backup binary failed", "path", backupPath, "error", err)
+			return err
+		}
 		return fmt.Errorf("replace binary: %w", err)
 	}
-	os.Remove(backupPath)
+	err = os.Remove(backupPath)
+	if err != nil {
+		slog.Error("remove backup binary failed", "path", backupPath, "error", err)
+		return err
+	}
 	if err := syscall.Exec(execPath, os.Args, os.Environ()); err != nil {
 		return fmt.Errorf("exec restart: %w", err)
 	}