Safe upgrade

Rothes · Rothes · commit b0d036fe9b70 · 2023-02-08T12:06:05.000+08:00
diff --git a/src/main/java/me/rothes/protocolstringreplacer/upgrades/UpgradeHandler5To6.java b/src/main/java/me/rothes/protocolstringreplacer/upgrades/UpgradeHandler5To6.java
@@ -41,7 +41,11 @@ protected void upgradeReplacerConfig(@NotNull File file, @NotNull YamlConfigurat
     }
 
     private void renameNode(@NotNull YamlConfiguration config, @NotNull String o, @NotNull String n) {
-        config.set(n, config.get(o));
+        Object old = config.get(o);
+        if (old == null) {
+            return;
+        }
+        config.set(n, old);
         config.set(o, null);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -41,7 +41,11 @@ protected void upgradeReplacerConfig(@NotNull File file, @NotNull YamlConfigurat`
`41`	`41`	`}`
`42`	`42`
`43`	`43`	`private void renameNode(@NotNull YamlConfiguration config, @NotNull String o, @NotNull String n) {`
`44`		`- config.set(n, config.get(o));`
	`44`	`+ Object old = config.get(o);`
	`45`	`+ if (old == null) {`
	`46`	`+ return;`
	`47`	`+ }`
	`48`	`+ config.set(n, old);`
`45`	`49`	`config.set(o, null);`
`46`	`50`	`}`
`47`	`51`