Deliberately add a Makefile target to prevent accidental installation of gitflow.
diff --git a/Makefile b/Makefile
index d4bf694..8e1faf3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,11 @@
GIT_EXEC_PATH=/usr/libexec/git-core
+all:
+ @echo "There is only one target here: install"
+ @echo "This message is deliberately inserted here to prevent accidental installation."
+ @echo ""
+ @echo "Use 'make install' explicitly to install git-flow."
+
install:
install -m 0755 -t $(GIT_EXEC_PATH) git-flow
install -m 0644 -t $(GIT_EXEC_PATH) \