From 57628a50dba996dd53f8e3a797cd79b0609a51e3 Mon Sep 17 00:00:00 2001
From: Jeffrey Morlan <jeffrey@everlaw.com>
Date: Thu, 12 Nov 2015 15:47:23 -0800
Subject: [PATCH] Upgrade script

---
 ts/upgrade.sh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 ts/upgrade.sh

diff --git a/ts/upgrade.sh b/ts/upgrade.sh
new file mode 100755
index 0000000..0a801f8
--- /dev/null
+++ b/ts/upgrade.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+if [ $# != 2 ]
+then
+	echo Upgrade to a new version of TypeScript and apply local changes.
+	echo Usage: $0 old_version new_version
+	exit
+fi
+OLDSRC=~/TypeScript-$1/src
+NEWSRC=~/TypeScript-$2/src
+for dir in "$OLDSRC" "$NEWSRC"
+do
+	if [ ! -d "$dir" ]
+	then
+		echo "$dir" is not a directory
+		exit
+	fi
+done
+
+diff -ru "$OLDSRC" . > diffs.tmp
+find compiler services -type f -exec cp "$NEWSRC/{}" {} \;
+patch --no-backup-if-mismatch -p1 -i diffs.tmp
+rm diffs.tmp