From fcf757f7155b0a39285e79b882bdf29010f5168c Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <conway@uk.ibm.com>
Date: Fri, 31 Jan 2020 18:11:58 +0000
Subject: [PATCH 1/3] catch mode signals to allow clean context flush on
 shutdown

(yes the name is intentionally ironic)
Code pattern copied from https://nodejs.org/api/process.html#process_signal_events
---
 packages/node_modules/node-red/red.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/packages/node_modules/node-red/red.js b/packages/node_modules/node-red/red.js
index 26b6d1fc8..e758a00f3 100755
--- a/packages/node_modules/node-red/red.js
+++ b/packages/node_modules/node-red/red.js
@@ -342,8 +342,14 @@ process.on('uncaughtException',function(err) {
     process.exit(1);
 });
 
-process.on('SIGINT', function () {
+function brexit() {
     RED.stop().then(function() {
         process.exit();
     });
-});
+}
+
+process.on('SIGINT', brexit);
+process.on('SIGTERM', brexit);
+process.on('SIGHUP', brexit);
+process.on('SIGUSR2', brexit);  // for nodemon restart
+process.on('SIGBREAK', brexit); // for windows ctrl-break

From 0622be843bd6aaabe2b927abba05a7f7272b7b6d Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <conway@uk.ibm.com>
Date: Tue, 4 Feb 2020 13:42:34 +0000
Subject: [PATCH 2/3] Add catcher for PM2 graceful shutdown

---
 packages/node_modules/node-red/red.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/node_modules/node-red/red.js b/packages/node_modules/node-red/red.js
index e758a00f3..aa1f9f726 100755
--- a/packages/node_modules/node-red/red.js
+++ b/packages/node_modules/node-red/red.js
@@ -353,3 +353,6 @@ process.on('SIGTERM', brexit);
 process.on('SIGHUP', brexit);
 process.on('SIGUSR2', brexit);  // for nodemon restart
 process.on('SIGBREAK', brexit); // for windows ctrl-break
+process.on('message', function(m) {  // for PM2 under window with --shutdown-with-message
+    if (m === 'shutdown') { brexit }
+});

From b2f53a183e0ce5dfab81942d018c06132b84c3bf Mon Sep 17 00:00:00 2001
From: Dave Conway-Jones <conway@uk.ibm.com>
Date: Wed, 5 Feb 2020 13:58:45 +0000
Subject: [PATCH 3/3] rename BreakingExit call

(undo Brexit :-)
---
 packages/node_modules/node-red/red.js | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/packages/node_modules/node-red/red.js b/packages/node_modules/node-red/red.js
index aa1f9f726..95a42d9fd 100755
--- a/packages/node_modules/node-red/red.js
+++ b/packages/node_modules/node-red/red.js
@@ -342,17 +342,17 @@ process.on('uncaughtException',function(err) {
     process.exit(1);
 });
 
-function brexit() {
+function exitWhenStopped() {
     RED.stop().then(function() {
         process.exit();
     });
 }
 
-process.on('SIGINT', brexit);
-process.on('SIGTERM', brexit);
-process.on('SIGHUP', brexit);
-process.on('SIGUSR2', brexit);  // for nodemon restart
-process.on('SIGBREAK', brexit); // for windows ctrl-break
+process.on('SIGINT', exitWhenStopped);
+process.on('SIGTERM', exitWhenStopped);
+process.on('SIGHUP', exitWhenStopped);
+process.on('SIGUSR2', exitWhenStopped);  // for nodemon restart
+process.on('SIGBREAK', exitWhenStopped); // for windows ctrl-break
 process.on('message', function(m) {  // for PM2 under window with --shutdown-with-message
-    if (m === 'shutdown') { brexit }
+    if (m === 'shutdown') { exitWhenStopped }
 });