diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index bf345ce9..58fc0088 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -190,6 +190,16 @@ git-clone: ssh-wrapper.sh
 git-clone-%: ssh-wrapper.sh
 	PGIT_CLONE_FROM_USER=$* $(PGIT) clone
 
+git-show-non-master-branches:
+	@$(PGIT) branch 2>&1 | \
+		sed '/^#\|^*/!d; s/.*git -C //; s/ *branch *//; s/ *\* *//' | \
+		while read p; do \
+			read b ;\
+			if [ "$$b" != "master" ]; then \
+				echo " * $$p:	$$b" ;\
+			fi ;\
+		done
+
 pull-%: ssh-wrapper.sh
 	PGIT_CLONE_FROM_USER=$* $(PGIT) clone