Include version subcommand

.github/ISSUE_TEMPLATE/1-report-bug.yml

@@ -14,7 +14,7 @@ body:
       description: |
         For easier bug reporting, always give the version of the Plugin Modernizer you are using.
         ```shell
-        plugin-modernizer --version
+        plugin-modernizer version --short
         ```
     validations:
       required: true

plugin-modernizer-cli/pom.xml

@@ -15,6 +15,11 @@
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>
     </dependency>
+    <dependency>
+      <groupId>com.github.spotbugs</groupId>
+      <artifactId>spotbugs-annotations</artifactId>
+      <optional>true</optional>
+    </dependency>
     <dependency>
       <groupId>com.google.inject</groupId>
       <artifactId>guice</artifactId>

plugin-modernizer-cli/src/main/java/io/jenkins/tools/pluginmodernizer/cli/Main.java

@@ -15,7 +15,8 @@
             BuildMetadataCommand.class,
             DryRunCommand.class,
             RunCommand.class,
-            CleanupCommand.class
+            CleanupCommand.class,
+            VersionCommand.class
         },
         mixinStandardHelpOptions = true,
         versionProvider = VersionProvider.class)

plugin-modernizer-cli/src/main/java/io/jenkins/tools/pluginmodernizer/cli/VersionProvider.java

@@ -24,7 +24,7 @@ public String[] getVersion() throws Exception {
      * @throws Exception if the version is not found
      */
     public String getMavenVersion() throws Exception {
-        return getValue("project.version");
+        return getValue("project.version").trim();
     }
 
     /**

plugin-modernizer-cli/src/main/java/io/jenkins/tools/pluginmodernizer/cli/command/VersionCommand.java

@@ -0,0 +1,39 @@
+package io.jenkins.tools.pluginmodernizer.cli.command;
+
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import io.jenkins.tools.pluginmodernizer.cli.VersionProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import picocli.CommandLine;
+
+/**
+ * Version command
+ */
+@CommandLine.Command(name = "version", description = "Display version information")
+@SuppressFBWarnings(value = "CRLF_INJECTION_LOGS", justification = "safe because versions from pom.xml")
+public class VersionCommand implements ICommand {
+
+    /**
+     * Logger
+     */
+    private static final Logger LOG = LoggerFactory.getLogger(VersionCommand.class);
+
+    /**
+     * Display the short version
+     */
+    @CommandLine.Option(
+            names = {"--short"},
+            description = "Display the short version")
+    private boolean shortVersion;
+
+    @Override
+    public Integer call() throws Exception {
+        VersionProvider versionProvider = new VersionProvider();
+        if (shortVersion) {
+            LOG.info(versionProvider.getMavenVersion());
+        } else {
+            LOG.info(versionProvider.getVersion()[0].trim());
+        }
+        return 0;
+    }
+}

plugin-modernizer-cli/src/test/java/io/jenkins/tools/pluginmodernizer/cli/CommandLineITCase.java

@@ -82,12 +82,27 @@ private static Stream<Arguments> testsPlugins() {
     public void testVersion() throws Exception {
         LOG.info("Running testVersion");
         Invoker invoker = buildInvoker();
-        InvocationRequest request = buildRequest("--version");
-        InvocationResult result = invoker.execute(request);
+        InvocationResult result1 = invoker.execute(buildRequest("--version"));
         assertAll(
-                () -> assertEquals(0, result.getExitCode()),
+                () -> assertEquals(0, result1.getExitCode()),
+                () -> assertTrue(Files.readAllLines(outputPath.resolve("stdout.txt")).stream()
+                        .anyMatch(line -> line.matches("plugin modernizer ([a-zA-Z0-9.-_]+) (.*)"))));
+
+        Files.delete(outputPath.resolve("stdout.txt"));
+
+        InvocationResult result2 = invoker.execute(buildRequest("version"));
+        assertAll(
+                () -> assertEquals(0, result2.getExitCode()),
+                () -> assertTrue(Files.readAllLines(outputPath.resolve("stdout.txt")).stream()
+                        .anyMatch(line -> line.matches("plugin modernizer ([a-zA-Z0-9.-_]+) (.*)"))));
+
+        Files.delete(outputPath.resolve("stdout.txt"));
+
+        InvocationResult result3 = invoker.execute(buildRequest("version --short"));
+        assertAll(
+                () -> assertEquals(0, result3.getExitCode()),
                 () -> assertTrue(Files.readAllLines(outputPath.resolve("stdout.txt")).stream()
-                        .anyMatch(line -> line.matches("plugin modernizer (.*) (.*)"))));
+                        .anyMatch(line -> line.matches("(.*)\\s*[a-zA-Z0-9.-_]+\\s*"))));
     }
 
     @Test