better config.json recovery, close #221

juzeon · Feb 17, 2024 · 8e835df · 8e835df
1 parent e0fe492
commit 8e835df
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diff --git a/.gitignore b/.gitignore
@@ -10,3 +10,4 @@ debug.bat
 config.lock
 debug_options_sets.json
 dump.txt
+config.json.old
diff --git a/config.go b/config.go
@@ -189,10 +189,12 @@ WriterFor:
 			if err != nil {
 				util.GracefulPanic(err)
 			}
+			_ = os.Rename("config.json", "config.json.old")
 			err = os.WriteFile("config.json", v, 0644)
 			if err != nil {
 				util.GracefulPanic(err)
 			}
+			_ = os.Remove("config.json.old")
 			localVersion = o.version
 		}
 		o.mu.RUnlock()