pgm: Handle IOException in Version command

This avoids we show a stacktrace on the console by default when this
type of exception is thrown during the run method is executed.

Change-Id: I37e6e3aaba411858042afac02098ce9eaa06f258
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Version.java

@@ -57,7 +57,7 @@ import org.eclipse.jgit.pgm.internal.CLIText;
 class Version extends TextBuiltin {
 	/** {@inheritDoc} */
 	@Override
-	protected void run() throws Exception {
+	protected void run() {
 		// read the Implementation-Version from Manifest
 		String version = getImplementationVersion();
 
@@ -71,7 +71,12 @@ class Version extends TextBuiltin {
 		if (version == null)
 			throw die(CLIText.get().cannotReadPackageInformation);
 
-		outw.println(MessageFormat.format(CLIText.get().jgitVersion, version));
+		try {
+			outw.println(
+					MessageFormat.format(CLIText.get().jgitVersion, version));
+		} catch (IOException e) {
+			throw die(e.getMessage(), e);
+		}
 	}
 
 	/** {@inheritDoc} */