diff --git a/Tools/scripts/git-diff-ports.sh b/Tools/scripts/git-diff-ports.sh
--- a/Tools/scripts/git-diff-ports.sh
+++ b/Tools/scripts/git-diff-ports.sh
@@ -16,7 +16,7 @@
 for dep in git; do
 	if ! which -s $dep; then
 		echo "error: the '$dep' dependency is missing"
-		if [ $dep == "git" ]; then
+		if [ $dep = "git" ]; then
 			echo "... please install the 'git' package"
 		fi
 		exit 1
@@ -26,10 +26,4 @@
 
 # MAIN
 
-git diff HEAD "$@" |
-	grep "^diff " |
-	grep -v Mk/ |
-	grep -v Tools/ |
-	sed -E 's|diff --git a/||; s| .*||; s|([^/]+/[^/]+).*|\1|' |
-	sort |
-	uniq
+git diff HEAD "$@" | awk -F / '/^diff/ && $2 !~ /[[:upper:]]/ { print $2 "/" $3 }' | sort -u