Fix runJosm task, copy the plugin *.jar regardless of name

See https://github.com/floscher/josm-gradle-tasks/commit/194ce881dc7bb2763f41ddb2a18ac88e67eb5b6d .

gradle.properties

@@ -9,8 +9,8 @@ plugin.requires=apache-commons;apache-http
 #plugin.early=...
 #plugin.stage=...
 
-# The name for the JAR file produced by Gradle (optional, defaults to ${project.name})
-plugin.jar.name=Mapillary
+# The name for the JAR file produced by Gradle (optional, if not provided the *.jar file in the build/libs/ directory is used without renaming)
+plugin.jar.name=Mapillary.jar
 
 tool.pmd.version=5.5.5
 tool.findbugs.version=3.0.1

gradle/run-josm-plugin-tasks.gradle

@@ -1,14 +1,19 @@
 apply from: buildscript.sourceFile.parentFile.path + '/run-josm-config.gradle'
 apply from: buildscript.sourceFile.parentFile.path + '/run-josm-tasks.gradle'
 
+task updatePluginDependencies(type: Copy) {
+  from configurations.requiredPlugin
+  into "$tmpJosmHome/plugins"
+  rename('(.*)-\\.jar', '$1.jar')
+}
+
 task updateCurrentPlugin(type: Copy) {
   description 'Puts the plugin-JAR generated by the `jar`-task into `build/.josm/`'
   dependsOn jar
   dependsOn initJosmPrefs
-  from configurations.requiredPlugin
-  from "$buildDir/libs/${project.name}.jar"
+  dependsOn updatePluginDependencies
+  from jar.outputs
   into "$tmpJosmHome/plugins"
-  rename('(.*)-\\.jar', '$1.jar')
-  rename(project.name, project.hasProperty('plugin.jar.name') ? project.property('plugin.jar.name') : project.name)
+  rename('.*', project.hasProperty('plugin.jar.name') ? project.property('plugin.jar.name') : '$1')
 }
 updateJosmPlugins.dependsOn updateCurrentPlugin