SOURCE_FILES     ?= $(filter-out CVS .git Makefile %.done, $(wildcard *))
TARGET_DIR       ?= $(PREFIX)/share

SOURCE_BASE      ?= .

RELPATHS          = $(foreach f,$(SOURCE_FILES),$(shell realpath -s --relative-to $(SOURCE_BASE) $f))
INSTALLED_FILES   = $(addprefix $(TARGET_DIR)/,$(RELPATHS))
include $(MODDIR)/make/defs.mk

ifeq ($(DEVELOPMENT),true)
  TARGET_OWNER   ?= $(shell id -un)
  TARGET_GROUP   ?= $(shell id -gn)
else
  TARGET_OWNER   ?= root
  TARGET_GROUP   ?= root
endif
TARGET_DIR_OWNER ?= $(TARGET_OWNER)
TARGET_DIR_GROUP ?= $(TARGET_GROUP)
TARGET_MODE      ?= 440
TARGET_DIR_MODE  ?= 770

all:
install: install.done
clean: done.clean
distclean:

done.clean:
	$(RM) -f *.done

$(TARGET_DIR)/%: $(SOURCE_BASE)/%
	@if [ -d $< ]; then \
		echo $(INSTALL) -d -D -m $(TARGET_DIR_MODE) -o $(TARGET_DIR_OWNER) -g $(TARGET_DIR_GROUP) $@ ;\
		$(INSTALL) -d -D -m $(TARGET_DIR_MODE) -o $(TARGET_DIR_OWNER) -g $(TARGET_DIR_GROUP) $@ ;\
	else \
		echo $(INSTALL) -p -D -m $(TARGET_MODE) -o $(TARGET_OWNER) -g $(TARGET_GROUP) $< $@ ;\
		$(INSTALL) -p -D -m $(TARGET_MODE) -o $(TARGET_OWNER) -g $(TARGET_GROUP) $< $@ ;\
	fi

install.done: $(INSTALLED_FILES)
	touch $@

# this used to work fine until an enormous $(SOURCE_FILES) was encountered
install-old.done:
	for f in $(SOURCE_FILES); do \
		relpath=`realpath -s --relative-to $(SOURCE_BASE) $$f` ;\
		if [ -d $$f ]; then \
			$(INSTALL) -d -D -m $(TARGET_DIR_MODE) -o $(TARGET_DIR_OWNER) -g $(TARGET_DIR_GROUP) $(TARGET_DIR)/$$relpath ;\
		else \
			$(INSTALL) -p -D -m $(TARGET_MODE) -o $(TARGET_OWNER) -g $(TARGET_GROUP) $$f $(TARGET_DIR)/$$relpath ;\
		fi ;\
	done
	touch $@