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
include $(MODDIR)/make/dev-utils.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)/%: $(SOURCE_BASE)/%
	@if [ -L "$<" -o -f "$<" ]; then \
		echo $(INSTALL) -p -D -m $(TARGET_MODE) -o $(TARGET_OWNER) -g $(TARGET_GROUP) "$<" "$@" ;\
		$(INSTALL) -p -D -m $(TARGET_MODE) -o $(TARGET_OWNER) -g $(TARGET_GROUP) "$<" "$@" ;\
	else \
		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 $(TARGET_DIR_GROUP) "$@" ;\
	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 $@