Capture Docker Compose version information in a custom value

Closes gh-80

Author: wilkinsona

src/main/java/io/spring/ge/conventions/gradle/BuildScanConventions.java

@@ -65,6 +65,7 @@ public void execute(BuildScanConfiguration buildScan) {
 		tagBuildScan(buildScan, ci);
 		buildScan.background(this::addGitMetadata);
 		buildScan.background(this::addDockerMetadata);
+		buildScan.background(this::addDockerComposeMetadata);
 		addCiMetadata(buildScan, ci);
 		buildScan.getUploadInBackground().set(ci == null);
 		buildScan.capture((settings) -> settings.getFileFingerprints().set(true));
@@ -127,6 +128,11 @@ private void addDockerMetadata(BuildScanConfiguration buildScan) {
 		run("docker", "--version").standardOut((dockerVersion) -> buildScan.value("Docker", dockerVersion));
 	}
 
+	private void addDockerComposeMetadata(BuildScanConfiguration buildScan) {
+		run("docker", "compose", "version")
+			.standardOut((dockerComposeVersion) -> buildScan.value("Docker Compose", dockerComposeVersion));
+	}
+
 	private void addCiMetadata(BuildScanConfiguration buildScan, ContinuousIntegration ci) {
 		if (ci == null) {
 			return;

src/main/java/io/spring/ge/conventions/gradle/ProcessOperationsProcessRunner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021 the original author or authors.
+ * Copyright 2020-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 import java.util.function.Consumer;
 
 import org.gradle.api.internal.ProcessOperations;
+import org.gradle.process.ExecResult;
 import org.gradle.process.ExecSpec;
 
 /**
@@ -38,7 +39,7 @@ class ProcessOperationsProcessRunner implements ProcessRunner {
 	@Override
 	public void run(Consumer<ProcessSpec> configurer) {
 		try {
-			this.processOperations.exec((spec) -> configurer.accept(new ExecSpecProcessSpec(spec)));
+			ExecResult exec = this.processOperations.exec((spec) -> configurer.accept(new ExecSpecProcessSpec(spec)));
 		}
 		catch (Exception ex) {
 			throw new RunFailedException(ex);

src/main/java/io/spring/ge/conventions/gradle/ProcessRunner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2020-2021 the original author or authors.
+ * Copyright 2020-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -55,6 +55,10 @@ interface ProcessSpec {
 
 	class RunFailedException extends RuntimeException {
 
+		RunFailedException() {
+
+		}
+
 		RunFailedException(Exception cause) {
 			super(cause);
 		}

src/test/java/io/spring/ge/conventions/gradle/BuildScanConventionsTests.java

@@ -290,6 +290,24 @@ void whenDockerIsNotAvailableThenConventionsCanBeAppliedWithoutFailure() {
 		assertThat(this.buildScan.values).doesNotContainKey("Docker");
 	}
 
+	@Test
+	void buildScanHasDockerComposeCustomValue() {
+		this.processRunner.commandLineOutput.put(Arrays.asList("docker", "compose", "version"),
+				"Docker Compose version v2.17.2");
+		new BuildScanConventions(this.develocity, this.processRunner).execute(this.buildScan);
+		assertThat(this.buildScan.values).containsEntry("Docker Compose", "Docker Compose version v2.17.2");
+	}
+
+	@Test
+	void whenDockerComposeIsNotAvailableThenConventionsCanBeAppliedWithoutFailure() {
+		this.processRunner.failures.put(Arrays.asList("docker", "compose", "version"),
+				new RuntimeException("docker  compose is not available"));
+		new BuildScanConventions(this.develocity, this.processRunner).execute(this.buildScan);
+		assertThatNoException()
+			.isThrownBy(() -> new BuildScanConventions(this.develocity, this.processRunner).execute(this.buildScan));
+		assertThat(this.buildScan.values).doesNotContainKey("Docker Compose");
+	}
+
 	@Test
 	void whenBuildingLocallyThenBackgroundUploadIsEnabled() {
 		new BuildScanConventions(this.develocity, this.processRunner, Collections.emptyMap()).execute(this.buildScan);