rootfs makefile: add missing deps; add targets clean and gold

1 files changed, 19 insertions, 4 deletions

diff --git a/rootfs/Makefile b/rootfs/Makefile
index bcb885b..b7a039c 100644
--- a/rootfs/Makefile
+++ b/rootfs/Makefile
@@ -8,14 +8,29 @@ sudo := $(shell [ "$$(id -u)" = 0 ] || echo sudo)
 
 rootfs ?= samizdat.seed.btrfs
 patchfs ?= samizdat.patch.btrfs
+gold ?= samizdat-gold.btrfs
 
-.PHONY: all rootfs patchfs
-all: rootfs $(ifneq $(patchfs),,patchfs)
+.PHONY: all rootfs patchfs gold
+all: $(rootfs) $(patchfs) $(gold)
+
+clean:
+        rm -f $(rootfs) $(patchfs) $(gold)
+
+rootfs: $(rootfs)
+patchfs: $(patchfs)
+gold: $(gold)
+
+%.patch.btrfs: %.seed.btrfs
+        $(sudo) $(fsmgr) build $@
+
+%.seed.btrfs: %.btrfs
+        $(sudo) $(fsmgr) build $@
 
 %.btrfs:
         $(sudo) $(fsmgr) build $@
 
-rootfs: $(rootfs)
+$(gold): $(rootfs)
+        $(sudo) $(fsmgr) build $@
 
-patchfs:
+$(patchfs):
         $(sudo) REWRITE_SOURCES_LIST=y $(fsmgr) build $(patchfs)