fix(install): fix install method

.vim_runtime/sources_non_forked/vim-coffee-script/Makefile

@@ -0,0 +1,25 @@
+REF = HEAD
+VERSION = $(shell git describe --always $(REF))
+
+ARCHIVE = vim-coffee-script-$(VERSION).zip
+ARCHIVE_DIRS = after autoload compiler doc ftdetect ftplugin indent syntax
+
+# Don't do anything by default.
+all:
+
+# Make vim.org zipball.
+archive:
+	git archive $(REF) -o $(ARCHIVE) -- $(ARCHIVE_DIRS)
+
+# Remove zipball.
+clean:
+	-rm -f $(ARCHIVE)
+
+# Build the list of syntaxes for @coffeeAll.
+coffeeAll:
+	@grep -E 'syn (match|region)' syntax/coffee.vim |\
+	 grep -v 'contained' |\
+	 awk '{print $$3}' |\
+	 uniq
+
+.PHONY: all archive clean hash coffeeAll