pgm: Handle exceptions in Push 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: I7a5dc6b1ebaad6f7b8baa35ce68760b79bab8acd
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

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

@@ -53,6 +53,7 @@ import java.util.List;
 
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.PushCommand;
+import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.ObjectReader;
@@ -115,7 +116,7 @@ class Push extends TextBuiltin {
 
 	/** {@inheritDoc} */
 	@Override
-	protected void run() throws Exception {
+	protected void run() {
 		try (Git git = new Git(db)) {
 			PushCommand push = git.push();
 			push.setDryRun(dryRun);
@@ -140,6 +141,8 @@ class Push extends TextBuiltin {
 					printPushResult(reader, result.getURI(), result);
 				}
 			}
+		} catch (GitAPIException | IOException e) {
+			throw die(e.getMessage(), e);
 		}
 	}