Use maven version in greeting

pom.xml

@@ -1,11 +1,18 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project
+  xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
   <modelVersion>4.0.0</modelVersion>
-  <groupId>org.bitbucket</groupId>
+
+  <groupId>com.gitlab</groupId>
   <artifactId>transcendental-lisp</artifactId>
-  <version>0.0.1-SNAPSHOT</version>
+  <version>1.2.0</version>
+
   <build>
     <sourceDirectory>src</sourceDirectory>
     <testSourceDirectory>test</testSourceDirectory>
+
     <testResources>
       <testResource>
         <directory>test</directory>
@@ -14,6 +21,7 @@
         </excludes>
       </testResource>
     </testResources>
+
     <plugins>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
@@ -23,6 +31,7 @@
           <target>1.8</target>
         </configuration>
       </plugin>
+
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-shade-plugin</artifactId>
@@ -43,32 +52,50 @@
           </execution>
         </executions>
       </plugin>
+
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+          <archive>                   
+            <manifest>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+              <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+            </manifest>
+          </archive>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
+
   <dependencies>
     <dependency>
       <groupId>com.googlecode.lanterna</groupId>
       <artifactId>lanterna</artifactId>
       <version>3.0.0</version>
     </dependency>
+    
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>4.12</version>
       <scope>test</scope>
     </dependency>
+    
     <dependency>
     	<groupId>org.hamcrest</groupId>
     	<artifactId>hamcrest-all</artifactId>
     	<version>1.3</version>
     	<scope>test</scope>
     </dependency>
+
     <dependency>
       <groupId>org.fitnesse</groupId>
       <artifactId>fitnesse</artifactId>
       <version>20161106</version>
       <scope>test</scope>
     </dependency>
+
     <dependency>
       <groupId>com.github.stefanbirkner</groupId>
       <artifactId>system-rules</artifactId>
@@ -76,7 +103,9 @@
       <scope>test</scope>
     </dependency>
   </dependencies>
+
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
+
 </project>

src/main/LispMain.java

@@ -1,6 +1,7 @@
 package main;
 
 import static com.googlecode.lanterna.terminal.IOSafeTerminalAdapter.createRuntimeExceptionConvertingAdapter;
+import static java.text.MessageFormat.format;
 import static terminal.LispTerminal.END_OF_SEGMENT;
 
 import java.io.IOException;
@@ -22,7 +23,7 @@ import terminal.TerminalConfiguration;
 
 public class LispMain {
 
-    public static final String GREETING = "Transcendental Lisp - Version 1.2.0";
+    public static final String GREETING = "Transcendental Lisp - Version {0}";
 
     public static final String ANSI_RESET = "\u001B[0m";
     public static final String ANSI_RED = "\u001B[31m";
@@ -91,10 +92,14 @@ public class LispMain {
     }
 
     private void printGreeting() {
-        output.println(GREETING);
+        output.println(format(GREETING, getVersion()));
         output.println();
     }
 
+    private String getVersion() {
+        return getClass().getPackage().getImplementationVersion();
+    }
+
     private LispInterpreter buildInteractiveInterpreter() {
         builder.setInput(inputReader, "terminal");
         builder.setOutput(output);

test/main/MainTest.java

@@ -1,5 +1,6 @@
 package main;
 
+import static com.googlecode.lanterna.input.KeyType.Enter;
 import static java.text.MessageFormat.format;
 import static main.LispMain.ANSI_GREEN;
 import static main.LispMain.ANSI_PURPLE;
@@ -19,7 +20,6 @@ import org.junit.contrib.java.lang.system.ExpectedSystemExit;
 import org.junit.contrib.java.lang.system.SystemErrRule;
 import org.junit.contrib.java.lang.system.SystemOutRule;
 
-import com.googlecode.lanterna.input.KeyType;
 import com.googlecode.lanterna.terminal.virtual.DefaultVirtualTerminal;
 
 import environment.RuntimeEnvironment;
@@ -76,6 +76,10 @@ public class MainTest {
         return systemErrRule.getLogWithNormalizedLineSeparator();
     }
 
+    private String getExpectedGreeting() {
+        return format(GREETING, getClass().getPackage().getImplementationVersion());
+    }
+
     @Rule
     public ExpectedSystemExit exit = ExpectedSystemExit.none();
 
@@ -123,10 +127,10 @@ public class MainTest {
 
         terminal.waitForPrompt();
         terminal.enterCharacters("'hi");
-        terminal.pressKey(KeyType.Enter);
+        terminal.pressKey(Enter);
         terminal.waitForPrompt();
         terminal.assertCursorPosition(2, 5);
-        terminal.assertScreenText(GREETING, " ", "~ 'hi ", " ", "HI ", "~  ");
+        terminal.assertScreenText(getExpectedGreeting(), " ", "~ 'hi ", " ", "HI ", "~  ");
         terminal.enterControlCharacter('d');
         terminal.assertInputStreamClosed();