From fa4e6dc09953bc2af2c96ea2481926dd3c4b8809 Mon Sep 17 00:00:00 2001
From: "T. Joseph Carter" <iKarith@users.noreply.github.com>
Date: Sun, 5 Apr 2015 22:53:51 -0700
Subject: [PATCH] New bits for libretro-super.sh

---
 script-modules/fetch-rules.sh | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/script-modules/fetch-rules.sh b/script-modules/fetch-rules.sh
index d469ee27..53584a0c 100644
--- a/script-modules/fetch-rules.sh
+++ b/script-modules/fetch-rules.sh
@@ -36,6 +36,10 @@ fetch_revision_git() {
 	git log -n 1 --pretty=format:%H
 }
 
+local_files_git() {
+	git diff-files --quiet --ignore-submodules
+	return $?
+}
 
 # fetch_revision: Output SCM-dependent revision string of a module
 #                 (currently just calls fetch_revision_git)
@@ -44,3 +48,18 @@ fetch_revision_git() {
 fetch_revision() {
 	   fetch_revision_git $1
 }
+
+module_get_revision() {
+	if [ -d "$WORKDIR/$module_dir" ]; then
+		cd "$WORKDIR/$module_dir"
+		case "$module_fetch_rule" in
+			git)
+				if [ -n "$1" ]; then
+					git diff-files --quiet --ignore-submodules || echo -n "changed from "
+				fi
+				git log -n 1 --pretty=format:%H
+				;;
+			*) ;;
+		esac
+	fi
+}