Enable plugin management via CLI (#2087)

Co-authored-by: Konstantin Schaper <konstantin.schaper@cloudogu.com>

scm-webapp/src/main/java/sonia/scm/plugin/cli/PluginApplyCommand.java

@@ -0,0 +1,71 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.plugin.cli;
+
+import com.cronutils.utils.VisibleForTesting;
+import picocli.CommandLine;
+import sonia.scm.cli.ParentCommand;
+import sonia.scm.plugin.PluginManager;
+
+import javax.inject.Inject;
+
+@ParentCommand(value = PluginCommand.class)
+@CommandLine.Command(name = "apply")
+class PluginApplyCommand implements Runnable {
+
+  @CommandLine.Option(names = {"--yes", "-y"}, descriptionKey = "scm.plugin.restart")
+  private boolean restart;
+
+  @CommandLine.Mixin
+  private final PluginTemplateRenderer templateRenderer;
+  private final PluginManager manager;
+  @CommandLine.Spec
+  private CommandLine.Model.CommandSpec spec;
+
+  @Inject
+  PluginApplyCommand(PluginTemplateRenderer templateRenderer, PluginManager manager) {
+    this.templateRenderer = templateRenderer;
+    this.manager = manager;
+  }
+
+  @Override
+  public void run() {
+    if (!restart) {
+      templateRenderer.renderConfirmServerRestart();
+      return;
+    }
+    if (manager.getPending().existPendingChanges()) {
+      manager.executePendingAndRestart();
+      templateRenderer.renderServerRestartTriggered();
+    } else {
+      templateRenderer.renderSkipServerRestart();
+    }
+  }
+
+  @VisibleForTesting
+  void setRestart(boolean restart) {
+    this.restart = restart;
+  }
+}