Add a check if the template exists in the user.home directory

buildSrc/src/steamwar.devserver.gradle

@@ -66,6 +66,7 @@ class DevServer extends DefaultTask {
             }
         }
         doLast {
+            checkHasTemplate()
             uploadDependencies()
             startDevServer()
         }
@@ -91,6 +92,14 @@ class DevServer extends DefaultTask {
         }
     }
 
+    void checkHasTemplate() {
+        def process = new ProcessBuilder("ssh", host, "-T", "ls $template").start()
+        process.waitFor()
+        if (new BufferedReader(new InputStreamReader(process.inputStream)).lines().count() < 4) {
+            throw new GradleException("Used template is not in your user.home directory of the given host $host")
+        }
+    }
+
     void uploadDependencies() {
         this.dependsOn.forEach {
             Project resolved
@@ -104,6 +113,7 @@ class DevServer extends DefaultTask {
 
             def archive = archiveTask.archiveFile.get().asFile
             println("Uploading $archive to ~/$template/plugins")
+            new ProcessBuilder("ssh", host, "-T", "rm $template/plugins/${archive.name.replace("-all", "")}").start().waitFor()
             new ProcessBuilder("scp", archive.absolutePath, "$host:~/$template/plugins/${archive.name.replace("-all", "")}").start().waitFor()
             println("Uploaded  $archive to ~/$template/plugins")
         }