--- /dev/null
+-include lib/borg/borg.mk
+
+bootstrap-borg:
+ @git submodule--helper clone --name borg --path lib/borg \
+ --url git@github.com:emacscollective/borg.git
+ @cd lib/borg; git symbolic-ref HEAD refs/heads/master
+ @cd lib/borg; git reset --hard HEAD
+
+i: build-init