--- /dev/null
+# -*- makefile -*-
+
+dir := completion
+
+# The dir variable will be re-assigned to later, so we can't use it
+# directly in any shell commands. Instead we save its value in other,
+# private variables that we can use in the commands.
+bash_script := $(dir)/notmuch-completion.bash
+zsh_script := $(dir)/notmuch-completion.zsh
+
+install: install-$(dir)
+
+install-$(dir):
+ @echo $@
+ mkdir -p $(DESTDIR)$(bash_completion_dir)
+ install -m0644 $(bash_script) $(DESTDIR)$(bash_completion_dir)/notmuch
+ mkdir -p $(DESTDIR)$(zsh_completion_dir)
+ install -m0644 $(zsh_script) $(DESTDIR)$(zsh_completion_dir)/notmuch