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fsmgr := $(shell command -v fsmgr)
ifeq ($(fsmgr),)
$(error "no fsmgr")
endif
sudo := $(shell [ "$$(id -u)" = 0 ] || echo sudo)
.DEFAULT_GOAL = all
.PHONY: all clean cleaner
all: $(addprefix _filesystem/samizdat., seed.btrfs patch.btrfs)
_build/%: _build
_filesystem/%: _filesystem
_build _filesystem:
$(sudo) btrfs subvolume create $@
clean:
btrfs subvolume delete _build
cleaner: clean
-$(sudo) btrfs subvolume delete _filesystem
_build/%.patch.btrfs: %.seed.btrfs
_build/%.seed.btrfs: %.btrfs
_filesystem/%.btrfs: _build/%.btrfs
%.btrfs:
$(sudo) $(fsmgr) build $@
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