all: local

# Configuration (override on the commandline)

LUA_VER := 5.1
LUA := /usr/bin/lua$(LUA_VER)
PREFIX ?= /usr/local
INST_ROOT := $(PREFIX)

# Internal stuff
LUA_MOD_PATH := $(INST_ROOT)/share/lua/$(LUA_VER)
LUA_MOD_INST_PATH := $(DESTDIR)$(LUA_MOD_PATH)
BIN_PATH := $(INST_ROOT)/bin
BIN_INST_PATH := $(DESTDIR)$(BIN_PATH)
LIB_BIN_PATH := $(INST_ROOT)/lib/gitano/bin
LIB_BIN_INST_PATH := $(DESTDIR)$(LIB_BIN_PATH)
SHARE_PATH := $(INST_ROOT)/share/gitano
SHARE_INST_PATH := $(DESTDIR)$(SHARE_PATH)
SKEL_INST_PATH := $(SHARE_INST_PATH)/skel

LIB_BINS := gitano-auth gitano-post-receive-hook gitano-update-hook	\
	    gitano-update-ssh gitano-pre-receive-hook

BINS := gitano-setup

MODS := gitano 								\
									\
	gitano.util							\
	gitano.actions gitano.config gitano.lace gitano.log		\
	gitano.markdown gitano.repository gitano.supple 		\
        gitano.command gitano.admincommand gitano.usercommand

SKEL_FILES := gitano-admin/rules/selfchecks.lace			\
	      gitano-admin/rules/aschecks.lace 				\
	      gitano-admin/rules/siteadmin.lace				\
	      gitano-admin/rules/destroyrepo.lace			\
	      gitano-admin/rules/remoteconfigchecks.lace		\
	      gitano-admin/rules/core.lace				\
	      gitano-admin/rules/renamerepo.lace			\
	      gitano-admin/rules/defines.lace				\
	      gitano-admin/rules/project.lace				\
	      gitano-admin/rules/adminchecks.lace			\
	      gitano-admin/rules/createrepo.lace


MOD_DIRS := gitano
MOD_FILES := $(patsubst %,%.lua,$(subst .,/,$(MODS)))
SRC_MOD_FILES := $(patsubst %,lib/%,$(MOD_FILES))

LOCAL_BINS := $(patsubst %,bin/%,$(BINS) $(LIB_BINS))
LIB_BIN_SRCS := $(patsubst %,bin/%.in,$(LIB_BINS))

GEN_BIN := utils/install-lua-bin
RUN_GEN_BIN := $(LUA) $(GEN_BIN) $(LUA)
define GEN_LOCAL_BIN

$(RUN_GEN_BIN) $(shell pwd) $(shell pwd)/bin $(shell pwd)/lib $1 $2
chmod 755 $2

endef

define GEN_INSTALL_BIN

$(RUN_GEN_BIN) $(SHARE_PATH) $(LIB_BIN_PATH) $(LUA_MOD_PATH) $1 $2
chmod 755 $2

endef

define GEN_INSTALL_MOD

install -m 644 $1 $2

endef

local: $(LOCAL_BINS)

clean:
	@echo "CLEAN: local binaries"
	@$(RM) $(LOCAL_BINS)

bin/%: bin/%.in $(GEN_BIN)
	$(call GEN_LOCAL_BIN,$<,$@)

install: install-bins install-lib-bins install-mods install-skel

install-bins: $(BIN_SRCS) $(GEN_BIN)
	mkdir -p $(BIN_INST_PATH)
	$(foreach BIN,$(BINS),$(call GEN_INSTALL_BIN,bin/$(BIN).in,$(BIN_INST_PATH)/$(BIN)))

install-lib-bins: $(LIB_BIN_SRCS) $(GEN_BIN)
	mkdir -p $(LIB_BIN_INST_PATH)
	$(foreach BIN,$(LIB_BINS),$(call GEN_INSTALL_BIN,bin/$(BIN).in,$(LIB_BIN_INST_PATH)/$(BIN)))

install-mods: $(SRC_MOD_FILES)
	mkdir -p $(patsubst %,$(LUA_MOD_INST_PATH)/%,$(MOD_DIRS))
	$(foreach MOD,$(MOD_FILES),$(call GEN_INSTALL_MOD,lib/$(MOD),$(LUA_MOD_INST_PATH)/$(MOD)))

install-skel:
	mkdir -p $(SKEL_INST_PATH)/gitano-admin/rules
	for SKELFILE in $(SKEL_FILES); do \
		install -m 644 skel/$$SKELFILE $(SKEL_INST_PATH)/$$SKELFILE; \
	done