From 16282e9e30793fad57d42d9c6ab31fb3ac1fa1da Mon Sep 17 00:00:00 2001
From: Laurent Goderre <laurent.goderre@gmail.com>
Date: Mon, 30 Apr 2018 21:22:43 -0400
Subject: [PATCH] Improved the change detection logic for the stackbre PR
 script

---
 generate-stackbrew-pr.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/generate-stackbrew-pr.sh b/generate-stackbrew-pr.sh
index d7bd8bc9..2566b13f 100755
--- a/generate-stackbrew-pr.sh
+++ b/generate-stackbrew-pr.sh
@@ -35,7 +35,7 @@ function updated() {
 	local images_changed
 
 	IFS=' ' read -ra versions <<< "$(IFS=','; get_versions)"
-	images_changed=$(git show --name-only "$COMMIT_ID" "${versions[@]}")
+	images_changed=$(git diff --name-only "$COMMIT_ID".."$COMMIT_ID"~1 "${versions[@]}")
 
 	if [ -z "$images_changed" ]; then
 		return 1