Makefile

all: get_tools


########################################

GOLINT = github.com/tendermint/lint/golint
GOMETALINTER = gopkg.in/alecthomas/gometalinter.v2
UNCONVERT = github.com/mdempsky/unconvert
INEFFASSIGN = github.com/gordonklaus/ineffassign
MISSPELL = github.com/client9/misspell/cmd/misspell
ERRCHECK = github.com/kisielk/errcheck
UNPARAM = mvdan.cc/unparam
STATIK = github.com/rakyll/statik

GOLINT_CHECK := $(shell command -v golint 2> /dev/null)
GOMETALINTER_CHECK := $(shell command -v gometalinter.v2 2> /dev/null)
UNCONVERT_CHECK := $(shell command -v unconvert 2> /dev/null)
INEFFASSIGN_CHECK := $(shell command -v ineffassign 2> /dev/null)
MISSPELL_CHECK := $(shell command -v misspell 2> /dev/null)
ERRCHECK_CHECK := $(shell command -v errcheck 2> /dev/null)
UNPARAM_CHECK := $(shell command -v unparam 2> /dev/null)
STATIK_CHECK := $(shell command -v statik 2> /dev/null)


check_tools:
ifndef STATIK_CHECK
	@echo "No statik in path.  Install with 'make get_tools'."
else
	@echo "Found statik in path."
endif

check_dev_tools:
	$(MAKE) check_tools
ifndef GOLINT_CHECK
	@echo "No golint in path.  Install with 'make get_dev_tools'."
else
	@echo "Found golint in path."
endif
ifndef GOMETALINTER_CHECK
	@echo "No gometalinter in path.  Install with 'make get_dev_tools'."
else
	@echo "Found gometalinter in path."
endif
ifndef UNCONVERT_CHECK
	@echo "No unconvert in path.  Install with 'make get_dev_tools'."
else
	@echo "Found unconvert in path."
endif
ifndef INEFFASSIGN_CHECK
	@echo "No ineffassign in path.  Install with 'make get_dev_tools'."
else
	@echo "Found ineffassign in path."
endif
ifndef MISSPELL_CHECK
	@echo "No misspell in path.  Install with 'make get_dev_tools'."
else
	@echo "Found misspell in path."
endif
ifndef ERRCHECK_CHECK
	@echo "No errcheck in path.  Install with 'make get_dev_tools'."
else
	@echo "Found errcheck in path."
endif
ifndef UNPARAM_CHECK
	@echo "No unparam in path.  Install with 'make get_dev_tools'."
else
	@echo "Found unparam in path."
endif

get_tools:
ifdef STATIK_CHECK
	@echo "Statik is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing statik"
	go version
	go get -v $(STATIK)
endif

get_dev_tools:
	$(MAKE) get_tools
ifdef GOLINT_CHECK
	@echo "Golint is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing golint"
	go get -v $(GOLINT)
endif
ifdef GOMETALINTER_CHECK
	@echo "Gometalinter.v2 is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing gometalinter.v2"
	go get -v $(GOMETALINTER)
endif
ifdef UNCONVERT_CHECK
	@echo "Unconvert is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing unconvert"
	go get -v $(UNCONVERT)
endif
ifdef INEFFASSIGN_CHECK
	@echo "Ineffassign is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing ineffassign"
	go get -v $(INEFFASSIGN)
endif
ifdef MISSPELL_CHECK
	@echo "misspell is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing misspell"
	go get -v $(MISSPELL)
endif
ifdef ERRCHECK_CHECK
	@echo "errcheck is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing errcheck"
	go get -v $(ERRCHECK)
endif
ifdef UNPARAM_CHECK
	@echo "unparam is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing unparam"
	go get -v $(UNPARAM)
endif
ifdef STATIK_CHECK
	@echo "statik is already installed.  Run 'make update_tools' to update."
else
	@echo "Installing statik"
	go get -v $(STATIK)
endif

update_dev_tools:
	$(MAKE) update_tools
	@echo "Updating tendermint/golint"
	go get -u -v $(GOLINT)
	@echo "Updating gometalinter.v2"
	go get -u -v $(GOMETALINTER)
	@echo "Updating unconvert"
	go get -u -v $(UNCONVERT)
	@echo "Updating ineffassign"
	go get -u -v $(INEFFASSIGN)
	@echo "Updating misspell"
	go get -u -v $(MISSPELL)
	@echo "Updating errcheck"
	go get -u -v $(ERRCHECK)
	@echo "Updating unparam"
	go get -u -v $(UNPARAM)
	@echo "Updating statik"
	go get -u -v $(STATIK)

# 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_tools get_tools update_tools check_dev_tools get_dev_tools update_dev_tools