build: process property updates

* Without defining inputs, ProcessResources does not know whether the processed plugin.yml has the up-to-date versions of each referenced property. So we will define version, description and url as inputs

build.gradle.kts

@@ -27,6 +27,12 @@ dependencies {
 }
 
 tasks.withType<ProcessResources> {
+    inputs.apply{
+        // Always check these properties for updates so that the plugin.yml is regenerated if they change (without a clean)
+        property("version", project.version)
+        property("description", project.description)
+        property("url", findProperty("url")!!)
+    }
     // Include all resources...
     filesMatching("plugin.yml") {
         // but only expand properties for the plugin.yml

src/main/resources/plugin.yml

@@ -5,6 +5,6 @@ api-version: 1.13
 depend: [ Labyrinth ]
 softdepend: [ Enterprise, Vault ]
 loadbefore: [ DiscordSRV, Guppy ]
-description: A premium & unique player grouping plugin.
+description: ${project.description}
 website: ${project.url}/wiki
 main: com.github.sanctum.clans.ClansJavaPlugin