1 files changed, 8 insertions, 2 deletions

diff --git a/rootfs/Makefile b/rootfs/Makefile
index 6696c14..9e4e15a 100644
--- a/rootfs/Makefile
+++ b/rootfs/Makefile
@@ -6,7 +6,13 @@ endif
 
 sudo := $(shell [ "$$(id -u)" = 0 ] || echo sudo)
 
-rootfs = samiztest
+rootfs ?= samizdat.btrfs
+patchfs ?= samizdat.patch.btrfs
 
-all:
+.PHONY: all rootfs patchfs
+all: rootfs $(ifneq $(patchfs),,patchfs)
+
+rootfs $(rootfs):
         $(sudo) $(fsmgr) build $(rootfs)
+patchfs $(patchfs): $(rootfs)
+        $(sudo) $(fsmgr) build $(patchfs)