feat: improve version output

Author: simschla

app/src/main/java/com/diffplug/spotless/cli/version/SpotlessCLIVersionProvider.java

@@ -27,6 +27,18 @@ public String[] getVersion() throws Exception {
         Properties properties = new Properties();
         properties.load(getClass().getResourceAsStream("/application.properties"));
         String version = properties.getProperty("cli.version");
-        return new String[] {"Spotless CLI version " + version};
+        String libVersion = properties.getProperty("lib.version");
+        String libExtraVersion = properties.getProperty("lib.extra.version");
+        String line = "-".repeat(50);
+        return """
+                %1$s
+                🧼 Spotless CLI %2$s
+                %1$s
+
+                spotless-lib:       %3$s
+                spotless-lib-extra: %4$s
+                """
+                .formatted(line, version, libVersion, libExtraVersion)
+                .split("\n");
     }
 }

app/src/main/resources/application.properties

@@ -1 +1,3 @@
 cli.version[email protected]@
+lib.version[email protected]@
+lib.extra.version[email protected]@

app/src/test/java/com/diffplug/spotless/cli/SpotlessCLIHelpAndVersionTest.java

@@ -30,6 +30,6 @@ void testHelp() {
     @Test
     void testVersion() {
         SpotlessCLIRunner.Result result = cliRunner().withOption("--version").run();
-        assertThat(result.stdOut()).contains("Spotless CLI version");
+        assertThat(result.stdOut()).containsPattern("Spotless CLI \\d+\\.\\d+\\.\\d+.*");
     }
 }

build-logic/src/main/groovy/buildlogic.picocli-conventions.gradle

@@ -21,7 +21,9 @@ compileJava {
 tasks.withType(ProcessResources)
 		.configureEach(new ApplicationPropertiesProcessResourcesAction(
 		[
-			"cli.version": rootProject.version
+			"cli.version": rootProject.version,
+			"lib.version": libs.versions.spotless.lib.get(),
+			"lib.extra.version": libs.versions.spotless.lib.get(),
 		]
 		))