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+# Copyright (c) 2013-2014, Loïc Hoguin <[email protected]>
+# This file is part of erlang.mk and subject to the terms of the ISC License.
+
+.PHONY: distclean-deps distclean-pkg pkg-list pkg-search
+
+# Configuration.
+
+DEPS_DIR ?= $(CURDIR)/deps
+export DEPS_DIR
+
+REBAR_DEPS_DIR = $(DEPS_DIR)
+export REBAR_DEPS_DIR
+
+ALL_DEPS_DIRS = $(addprefix $(DEPS_DIR)/,$(DEPS))
+
+ifeq ($(filter $(DEPS_DIR),$(subst :, ,$(ERL_LIBS))),)
+ifeq ($(ERL_LIBS),)
+ ERL_LIBS = $(DEPS_DIR)
+else
+ ERL_LIBS := $(ERL_LIBS):$(DEPS_DIR)
+endif
+endif
+export ERL_LIBS
+
+PKG_FILE ?= $(CURDIR)/.erlang.mk.packages.v1
+export PKG_FILE
+
+PKG_FILE_URL ?= https://raw.github.com/extend/erlang.mk/master/packages.v1.tsv
+
+# Core targets.
+
+deps:: $(ALL_DEPS_DIRS)
+ @for dep in $(ALL_DEPS_DIRS) ; do \
+ if [ -f $$dep/Makefile ] ; then \
+ $(MAKE) -C $$dep ; \
+ else \
+ echo "include $(CURDIR)/erlang.mk" | $(MAKE) -f - -C $$dep ; \
+ fi ; \
+ done
+
+distclean:: distclean-deps distclean-pkg
+
+# Deps related targets.
+
+define dep_fetch
+ @mkdir -p $(DEPS_DIR)
+ifeq (,$(findstring pkg://,$(word 1,$(dep_$(1)))))
+ git clone -n -- $(word 1,$(dep_$(1))) $(DEPS_DIR)/$(1)
+else
+ @if [ ! -f $(PKG_FILE) ]; then $(call get_pkg_file); fi
+ git clone -n -- `awk 'BEGIN { FS = "\t" }; \
+ $$$$1 == "$(subst pkg://,,$(word 1,$(dep_$(1))))" { print $$$$2 }' \
+ $(PKG_FILE)` $(DEPS_DIR)/$(1)
+endif
+ cd $(DEPS_DIR)/$(1) ; git checkout -q $(word 2,$(dep_$(1)))
+endef
+
+define dep_target
+$(DEPS_DIR)/$(1):
+ $(call dep_fetch,$(1))
+endef
+
+$(foreach dep,$(DEPS),$(eval $(call dep_target,$(dep))))
+
+distclean-deps:
+ $(gen_verbose) rm -rf $(DEPS_DIR)
+
+# Packages related targets.
+
+$(PKG_FILE):
+ $(call core_http_get,$(PKG_FILE),$(PKG_FILE_URL))
+
+pkg-list: $(PKG_FILE)
+ @cat $(PKG_FILE) | awk 'BEGIN { FS = "\t" }; { print \
+ "Name:\t\t" $$1 "\n" \
+ "Repository:\t" $$2 "\n" \
+ "Website:\t" $$3 "\n" \
+ "Description:\t" $$4 "\n" }'
+
+ifdef q
+pkg-search: $(PKG_FILE)
+ @cat $(PKG_FILE) | grep -i ${q} | awk 'BEGIN { FS = "\t" }; { print \
+ "Name:\t\t" $$1 "\n" \
+ "Repository:\t" $$2 "\n" \
+ "Website:\t" $$3 "\n" \
+ "Description:\t" $$4 "\n" }'
+else
+pkg-search:
+ @echo "Usage: make pkg-search q=STRING"
+endif
+
+distclean-pkg:
+ $(gen_verbose) rm -f $(PKG_FILE)
+
+help::
+ @printf "%s\n" "" \
+ "Package-related targets:" \
+ " pkg-list List all known packages" \
+ " pkg-search q=STRING Search for STRING in the package index"