DESTDIR ?=
MAVEN_LOCAL_REPO ?= ~/.m2

ANT = ant
EXISTS = test -e
FAIL = exit 1
FIND = find
INSTALL = install
MKDIRS = mkdir -p
RM = rm -f
SED = sed
TOUCH = touch

artifactIds := $(patsubst archive/%.mf,%,$(wildcard archive/*.mf))
version     := $(shell $(SED) -n 's/^product\.version\s\s*//p' build.properties)
groupId     := asm

findjar = $(firstword $(foreach path,$(subst :, ,$(CLASSPATH)),$(if $(findstring $1,$(path)),$(path))) /notfound.jar)
ow_util_ant_tasks_jar = $(call findjar,ow_util_ant_tasks)

all: PHONY output

output: $(shell $(FIND) src) | test/lib
	$(SED) -i -e '/^objectweb.ant.tasks.path/d' -e '$$aobjectweb.ant.tasks.path $(ow_util_ant_tasks_jar)' build.properties && \
	$(ANT) dist || \
	{ $(RM) -r $@; $(FAIL); }
	$(TOUCH) $@

test/lib:
	$(MKDIRS) $@

install-base = $(DESTDIR)$(MAVEN_LOCAL_REPO)/$(subst .,/,$(groupId))/$(artifactId)/$(version)/$(artifactId)-$(version)
install-jars = $(foreach artifactId,$(artifactIds),$(install-base).jar)
install-poms = $(foreach artifactId,$(artifactIds),$(install-base).pom)
install-targets = $(install-jars) $(install-poms)
install: PHONY $(install-targets)

$(foreach target,$(install-jars),$(eval $(target): output/dist/lib/$(notdir $(target)) ; $$(INSTALL) -Dm644 $$< $$@))
$(foreach target,$(install-poms),$(eval $(target): output/dist/lib/$(patsubst %.pom,%.xml,$(notdir $(target))) ; $$(INSTALL) -Dm644 $$< $$@))
$(addprefix output/dist/lib/,$(patsubst %.pom,%.xml,$(notdir $(install-targets)))): output
	$(EXISTS) $@
	$(TOUCH) $@


clean: PHONY
	$(RM) -r output

.PHONY: PHONY
.DELETE_ON_ERROR:
.SECONDARY: