all: install_dep check get_vendor_deps install


########################################
### DEP

DEP = github.com/golang/dep/cmd/dep
DEP_CHECK := $(shell command -v dep 2> /dev/null)

check:
ifndef DEP_CHECK
	@echo "No dep in path.  Install with 'make install_dep'."
else
	@echo "Found dep in path."
endif

install_dep:
ifdef DEP_CHECK
	@echo "Dep is already installed.  Run 'make update_dep' to update."
else
	@echo "$(ansi_grn)Installing dep$(ansi_end)"
	go get -v $(DEP)
endif

update_dep:
	@echo "$(ansi_grn)Updating dep$(ansi_end)"
	go get -u -v $(DEP)


########################################
### Install tools


get_vendor_deps: check
	@rm -rf vendor/
	@echo "--> Running dep ensure"
	@dep ensure

install: get_vendor_deps
	@echo "$(ansi_grn)Installing tools$(ansi_end)"
	@echo "$(ansi_yel)Install go-vendorinstall$(ansi_end)"
	go build -o bin/go-vendorinstall go-vendorinstall/*.go

	@echo "$(ansi_yel)Install gometalinter.v2$(ansi_end)"
	GOBIN=$(CURDIR)/bin ./bin/go-vendorinstall github.com/alecthomas/gometalinter

	@echo "$(ansi_yel)Install shelldown$(ansi_end)"
	GOBIN=$(CURDIR)/bin ./bin/go-vendorinstall github.com/rigelrozanski/shelldown/cmd/shelldown

	@echo "$(ansi_grn)Done installing tools$(ansi_end)"


########################################
# ANSI colors

ansi_red=\033[0;31m
ansi_grn=\033[0;32m
ansi_yel=\033[0;33m
ansi_end=\033[0m


# To avoid unintended conflicts with file names, always add to .PHONY
# unless there is a reason not to.
# https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
.PHONY: check install_dep update_dep get_vendor_deps install