From c626f8b306679cb7ed34524758ae646e0b94320e Mon Sep 17 00:00:00 2001
From: Mike Hearn <mike@r3cev.com>
Date: Sun, 5 Mar 2017 15:38:50 +0100
Subject: [PATCH] Make the corda.jar executable on UNIX. When run in this way,
 it eliminates the overhead of a second JVM.

---
 node/capsule/build.gradle | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/node/capsule/build.gradle b/node/capsule/build.gradle
index 8f2a0f957b..a05f7b2eff 100644
--- a/node/capsule/build.gradle
+++ b/node/capsule/build.gradle
@@ -73,6 +73,11 @@ task buildCordaJAR(type: FatCapsule) {
         jvmArgs = ['-Xmx200m', '-XX:+UseG1GC']
     }
 
+    // Make the resulting JAR file directly executable on UNIX by prepending a shell script to it.
+    // This lets you run the file like so: ./corda.jar
+    // Other than being slightly less typing, this has one big advantage: Ctrl-C works properly in the terminal.
+    reallyExecutable { trampolining() }
+
     manifest {
         attributes('Corda-Version': corda_version)
     }