Add version information (fixes #112)

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
       
       - name: Build release ${{env.RELEASE_VERSION}}
         if: env.DO_BUILD
-        run: ./gradlew clean build dist distThirdParty -Pversion=%{{
+        run: ./gradlew clean build dist distThirdParty -Pversion=${{env.RELEASE_VERSION}}
 
       - name: Publish build artifacts
         uses: actions/upload-artifact@v2

build.gradle

@@ -10,9 +10,15 @@ plugins {
     id "org.asciidoctor.jvm.convert" version "3.3.2"
 }
 
-version = "0.1"
 group = "com.fortify.cli"
 
+ext.buildTime = LocalDateTime.now()
+ext.getVersion = {
+    def result = project.findProperty('version');
+    return !result || result=='unspecified' ? buildTime.format('0.yyyyMMdd.HHmmss') : result;
+}
+version = ext.getVersion();
+
 apply plugin: "io.micronaut.application"
 subprojects {
     apply plugin: "io.micronaut.library"
@@ -129,6 +135,19 @@ apply from: "${gradleHelpersLocation}/readme2html.gradle"
 
 mainClassName = "com.fortify.cli.app.FCLIRootCommands"
 
+task generateBuildProperties {
+    doLast {
+        def buildPropertiesDir = "${sourceSets.main.output.resourcesDir}/com/fortify/cli/app"
+        mkdir "${buildPropertiesDir}"
+        ant.propertyfile(file: "${buildPropertiesDir}/fcli-build.properties") {
+            entry(key: "projectName", value: project.name)
+            entry(key: "projectVersion", value: project.version)
+            entry(key: "buildDate", value: buildTime.format('yyyy-MM-dd HH:mm:ss'))
+        }
+    }
+}
+processResources.dependsOn(generateBuildProperties)
+
 tasks.register('generateAutoCompleteDir') {
     doLast {
         mkdir "${autoCompleteDir}"

src/main/java/com/fortify/cli/app/FCLIRootCommands.java

@@ -57,6 +57,7 @@
     sortOptions = false, 
     showAtFileInUsageHelp = false,
     resourceBundle = "com.fortify.cli.i18n.FortifyCLIMessages",
+    versionProvider = FortifyCLIVersionProvider.class,
     subcommands = {
             ConfigCommands.class,
             SSCCommands.class,

src/main/java/com/fortify/cli/app/FortifyCLIVersionProvider.java

@@ -0,0 +1,30 @@
+package com.fortify.cli.app;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import picocli.CommandLine.IVersionProvider;
+
+public class FortifyCLIVersionProvider implements IVersionProvider {
+    private static final Properties buildProperties = loadProperties();
+
+    @Override
+    public String[] getVersion() throws Exception {
+        return new String[] {String.format("%s version %s, built on %s" 
+                , buildProperties.getProperty("projectName", "fcli")
+                , buildProperties.getProperty("projectVersion", "unknown")
+                , buildProperties.getProperty("buildDate", "unknown"))};
+    }
+
+    private static final Properties loadProperties() {
+        final Properties p = new Properties();
+        try (final InputStream stream = FortifyCLIVersionProvider.class.getResourceAsStream("fcli-build.properties")) {
+            if ( stream!=null ) { p.load(stream); }
+        } catch ( IOException ioe ) {
+            System.err.println("Error reading fcli-build.properties from classpath");
+        }
+        return p;
+    }
+
+}