Add a way to run a command after a push (#51)

Author: nedtwigg

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- A `runAfterPush` command to run a CLI command after the push is complete. ([#51](https://github.com/diffplug/spotless-changelog/pull/51))
 
 ## [3.0.2] - 2023-04-06
 ### Fixed

README.md

@@ -171,6 +171,7 @@ spotlessChangelog { // all defaults
   tagPrefix 'release/'
   commitMessage 'Published release/{{version}}' // {{version}} will be replaced
   tagMessage null // default is null (creates lightweight tag); {{changes}} and {{version}} will be replaced
+  runAfterPush null // runs a CLI command after the push; {{changes}} and {{version}} will be replaced
   remote 'origin'
   branch 'main'
   // default value is `yes`, but if you set it to `no`, then it will

spotless-changelog-lib/src/main/java/com/diffplug/spotless/changelog/GitCfg.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2021 DiffPlug
+ * Copyright (C) 2019-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,7 +15,6 @@
  */
 package com.diffplug.spotless.changelog;
 
-
 import java.io.File;
 import java.io.IOException;
 import pl.tlinkowski.annotation.basic.NullOr;
@@ -31,6 +30,8 @@ public class GitCfg {
 	public String commitMessage = "Published release/" + COMMIT_MESSAGE_VERSION;
 	/** Message used in tag, null means lightweight tag. */
 	public @NullOr String tagMessage = null;
+	/** Runs a CLI command after the push if not null. */
+	public @NullOr String runAfterPush = null;
 	public String remote = "origin";
 	public String branch = "main";
 	public String sshStrictHostKeyChecking = "yes";

spotless-changelog-plugin-gradle/src/main/java/com/diffplug/spotless/changelog/gradle/ChangelogExtension.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2023 DiffPlug
+ * Copyright (C) 2019-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -238,6 +238,11 @@ public void tagMessage(String tagMessage) {
 		data.gitCfg.tagMessage = tagMessage;
 	}
 
+	/** Runs a CLI command after the push if not null - {{changes}} and {{version}} will be replaced. */
+	public void runAfterPush(String runAfterPush) {
+		data.gitCfg.runAfterPush = runAfterPush;
+	}
+
 	/** Default value is 'origin' */
 	public void remote(String remote) {
 		data.gitCfg.remote = remote;

spotless-changelog-plugin-gradle/src/main/java/com/diffplug/spotless/changelog/gradle/ChangelogPlugin.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2023 DiffPlug
+ * Copyright (C) 2019-2024 DiffPlug
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -247,6 +247,17 @@ public void push() throws IOException, GitAPIException {
 			GitActions git = data.gitCfg.withChangelog(data.changelogFile, data.model());
 			git.addAndCommit();
 			git.tagBranchPush();
+			if (data.gitCfg.runAfterPush != null) {
+				try (var runner = new ProcessRunner()) {
+					var result = runner.shell(data.gitCfg.runAfterPush);
+					System.out.write(result.stdOut());
+					System.out.flush();
+					System.err.write(result.stdErr());
+					System.err.flush();
+				} catch (IOException | InterruptedException e) {
+					throw new GradleException("runAfterPush failed: " + data.gitCfg.runAfterPush, e);
+				}
+			}
 		}
 	}
 }