Check url nullability

Jack251970 · Jack251970 · commit a3a0c59fa3e2 · 2025-06-29T16:29:45.000+08:00
diff --git a/Flow.Launcher/Helper/PluginInstallationHelper.cs b/Flow.Launcher/Helper/PluginInstallationHelper.cs
@@ -259,6 +259,9 @@ await App.API.ShowProgressBoxAsync(prgBoxTitle,
 
     private static bool InstallSourceKnown(string url)
     {
+        if (string.IsNullOrEmpty(url))
+            return false;
+
         var pieces = url.Split('/');
 
         if (pieces.Length < 4)

Original file line number	Diff line number	Diff line change
`@@ -259,6 +259,9 @@ await App.API.ShowProgressBoxAsync(prgBoxTitle,`
`259`	`259`
`260`	`260`	`private static bool InstallSourceKnown(string url)`
`261`	`261`	`{`
	`262`	`+ if (string.IsNullOrEmpty(url))`
	`263`	`+ return false;`
	`264`	`+`
`262`	`265`	`var pieces = url.Split('/');`
`263`	`266`
`264`	`267`	`if (pieces.Length < 4)`