Initial go.mod definition using go mod init and go mod tidy

* Issue #135.
* Unclear on how to proceed with dep. For now we keep the Gopkg.toml around.
* Repopulate vendor folder (some tools still need to work on module support, e.g. [1]).

[1] dominikh/go-tools#328

Makefile

@@ -1,13 +1,15 @@
+GO          ?= GO111MODULE=on go
+GO_NOMODULE ?= GO111MODULE=off go
+
 FIRST_GOPATH              := $(firstword $(subst :, ,$(GOPATH)))
-PKGS                      := $(shell go list ./...)
+PKGS                      := $(shell $(GO) list ./...)
 GOFILES_NOVENDOR          := $(shell find . -type f -name '*.go' -not -path "./vendor/*")
 FRITZCTL_VERSION          ?= unknown
 FRITZCTL_OUTPUT           ?= fritzctl
 FRITZCTL_REVISION         := $(shell git rev-parse HEAD)
 BASH_COMPLETION_OUTPUT    ?= "os/completion/fritzctl"
 MAN_PAGE_OUTPUT           ?= "os/man/fritzctl.1"
 COPYRIGHT_OUTPUT          ?= "os/doc/copyright"
-DEPENDENCIES_GRAPH_OUTPUT ?= "dependencies.png"
 BUILDFLAGS                := -ldflags="-s -w -X github.com/bpicode/fritzctl/config.Version=$(FRITZCTL_VERSION) -X github.com/bpicode/fritzctl/config.Revision=$(FRITZCTL_REVISION)" -gcflags="-trimpath=$(GOPATH)" -asmflags="-trimpath=$(GOPATH)"
 TESTFLAGS                 ?=
 
@@ -21,6 +23,12 @@ define ok
 	@tput sgr0 2>/dev/null || echo -n ""
 endef
 
+define lazyinstall
+    @which $1 > /dev/null; if [ $$? -ne 0 ]; then \
+        $(GO_NOMODULE) get -u $2; \
+    fi
+endef
+
 sysinfo:
 	@echo ">> SYSTEM INFORMATION"
 	@echo -n "     PLATFORM: $(shell uname -a)"
@@ -34,7 +42,7 @@ sysinfo:
 
 clean:
 	@echo -n ">> CLEAN"
-	@go clean -i
+	@$(GO) clean -i
 	@rm -f ./os/completion/fritzctl
 	@rm -f ./os/man/*.gz
 	@rm -f ./os/doc/copyright
@@ -46,70 +54,53 @@ clean:
 	@rm -f ./analice
 	@$(call ok)
 
-depinstall:
-	@go get github.com/golang/dep/cmd/dep
-
-depensure: depinstall
-	@echo -n ">> DEPENDENCIES [ENSURE]"
-	@dep ensure
-	@$(call ok)
-
-depprint: depinstall
-	@echo ">> DEPENDENCIES [STATUS]"
-	@dep status
-
-depgraph: depinstall
-	@echo -n ">> DEPENDENCIES [GRAPH], output = $(DEPENDENCIES_GRAPH_OUTPUT)"
-	@dep status -dot | dot -T png -o $(DEPENDENCIES_GRAPH_OUTPUT)
-	@$(call ok)
-
-depverify: depinstall
+depverify:
 	@echo -n ">> DEPENDENCIES [VERIFY]"
-	@dep check
+	@$(GO) mod verify 1>/dev/null
 	@$(call ok)
 
 build:
 	@echo -n ">> BUILD, version = $(FRITZCTL_VERSION)/$(FRITZCTL_REVISION), output = $(FRITZCTL_OUTPUT)"
-	@go build -o $(FRITZCTL_OUTPUT) $(BUILDFLAGS)
+	@$(GO) build -o $(FRITZCTL_OUTPUT) $(BUILDFLAGS)
 	@$(call ok)
 
 install:
 	@echo -n ">> INSTALL, version = $(FRITZCTL_VERSION)"
-	@go install $(BUILDFLAGS)
+	@$(GO) install $(BUILDFLAGS)
 	@$(call ok)
 
-test: build
+test:
 	@echo ">> TEST, \"full-mode\": race detector on"
 	@echo "mode: count" > coverage-all.out
 	@$(foreach pkg, $(PKGS),\
 	    echo -n "     ";\
-		go test -run '(Test|Example)' $(BUILDFLAGS) $(TESTFLAGS) -race -coverprofile=coverage.out -covermode=atomic $(pkg) || exit 1;\
+		$(GO) test -run '(Test|Example)' $(BUILDFLAGS) $(TESTFLAGS) -race -coverprofile=coverage.out -covermode=atomic $(pkg) || exit 1;\
 		tail -n +2 coverage.out >> coverage-all.out;)
-	@go tool cover -html=coverage-all.out -o coverage-all.html
+	@$(GO) tool cover -html=coverage-all.out -o coverage-all.html
 
 fasttest: build
 	@echo ">> TEST, \"fast-mode\": race detector off"
 	@echo "mode: count" > coverage-all.out
 	@$(foreach pkg, $(PKGS),\
 	    echo -n "     ";\
-		go test  -run '(Test|Example)' $(BUILDFLAGS) $(TESTFLAGS) -coverprofile=coverage.out $(pkg) || exit 1;\
+		$(GO) test  -run '(Test|Example)' $(BUILDFLAGS) $(TESTFLAGS) -coverprofile=coverage.out $(pkg) || exit 1;\
 		tail -n +2 coverage.out >> coverage-all.out;)
-	@go tool cover -html=coverage-all.out
+	@$(GO) tool cover -html=coverage-all.out
 
 completion_bash:
 	@echo -n ">> BASH COMPLETION, output = $(BASH_COMPLETION_OUTPUT)"
-	@go run main.go completion bash > $(BASH_COMPLETION_OUTPUT)
+	@$(GO) run main.go completion bash > $(BASH_COMPLETION_OUTPUT)
 	@$(call ok)
 
 man:
 	@echo -n ">> MAN PAGE, output = $(MAN_PAGE_OUTPUT).gz"
-	@go run main.go doc man > $(MAN_PAGE_OUTPUT)
+	@$(GO) run main.go doc man > $(MAN_PAGE_OUTPUT)
 	@gzip --force $(MAN_PAGE_OUTPUT)
 	@$(call ok)
 
 analice:
 	@echo -n ">> ANALICE"
-	@go build github.com/bpicode/fritzctl/tools/analice
+	@$(GO) build github.com/bpicode/fritzctl/tools/analice
 	@$(call ok)
 
 license_compliance: analice
@@ -121,15 +112,15 @@ license_compliance: analice
 
 copyright: license_compliance
 	@echo -n ">> COPYRIGHT, output = $(COPYRIGHT_OUTPUT)"
-	@go build github.com/bpicode/fritzctl/tools/analice
+	@$(GO) build github.com/bpicode/fritzctl/tools/analice
 	@./analice generate copyright ./ > $(COPYRIGHT_OUTPUT)
 	@$(call ok)
 
 codequality:
 	@echo ">> CODE QUALITY"
 
 	@echo -n "     REVIVE"
-	@go get github.com/mgechev/revive
+	@$(call lazyinstall,revive,github.com/mgechev/revive)
 	@revive -formatter friendly -exclude vendor/... ./...
 	@$(call ok)
 
@@ -139,52 +130,54 @@ codequality:
 	@$(call ok)
 
 	@echo -n "     VET"
-	@go vet ./...
+	@$(GO) vet ./...
 	@$(call ok)
 
 	@echo -n "     CYCLO"
-	@go get github.com/fzipp/gocyclo
+	@$(call lazyinstall,gocyclo,github.com/fzipp/gocyclo)
 	@$(foreach gofile, $(GOFILES_NOVENDOR),\
 			gocyclo -over 15 $(gofile);)
 	@$(call ok)
+
 	@echo -n "     LINT"
-	@go get golang.org/x/lint/golint
+	@$(call lazyinstall,golint,golang.org/x/lint/golint)
 	@$(foreach pkg, $(PKGS),\
 			golint -set_exit_status $(pkg);)
 	@$(call ok)
 
 	@echo -n "     INEFF"
-	@go get github.com/gordonklaus/ineffassign
+	@$(call lazyinstall,ineffassign,github.com/gordonklaus/ineffassign)
 	@ineffassign .
 	@$(call ok)
 
 	@echo -n "     SPELL"
-	@go get github.com/client9/misspell/cmd/misspell
+	@$(call lazyinstall,misspell,github.com/client9/misspell/cmd/misspell)
 	@$(foreach gofile, $(GOFILES_NOVENDOR),\
 			misspell --error $(gofile);)
 	@$(call ok)
+
 	@echo -n "     SIMPLE"
-	@go get honnef.co/go/tools/cmd/gosimple
+	@$(call lazyinstall,gosimple,honnef.co/go/tools/cmd/gosimple)
 	@gosimple $(PKGS)
 	@$(call ok)
 
 	@echo -n "     STATIC"
-	@go get honnef.co/go/tools/cmd/staticcheck
+	@$(call lazyinstall,staticcheck,honnef.co/go/tools/cmd/staticcheck)
 	@staticcheck $(PKGS)
 	@$(call ok)
 
 	@echo -n "     UNUSED"
-	@go get honnef.co/go/tools/cmd/unused
+	@$(call lazyinstall,unused,honnef.co/go/tools/cmd/unused)
 	@unused $(PKGS)
 	@$(call ok)
 
 	@echo -n "     INTERFACER"
-	@go get mvdan.cc/interfacer
+	@$(call lazyinstall,interfacer,mvdan.cc/interfacer)
 	@interfacer ./...
 	@$(call ok)
 
 	@echo -n "     UNCONVERT"
-	@go get github.com/mdempsky/unconvert
+	@$(call lazyinstall,unconvert,github.com/mdempsky/unconvert)
 	@unconvert -v $(PKGS)
 	@$(call ok)
 
@@ -313,7 +306,7 @@ publish_win:
 
 demogif:
 	@echo ">> DEMO GIF"
-	@go build -o mock/standalone/standalone  mock/standalone/main.go
+	@$(GO) build -o mock/standalone/standalone  mock/standalone/main.go
 	@(cd mock/ && standalone/./standalone -httptest.serve=127.0.0.1:8000 & echo $$! > /tmp/TEST_SERVER.PID)
 	@sleep 2
 	@(cd mock/ && asciinema rec -c '/bin/sh' ../images/fritzctl_demo.json)

go.mod

@@ -0,0 +1,19 @@
+module github.com/bpicode/fritzctl
+
+require (
+	github.com/cpuguy83/go-md2man v1.0.8
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/fatih/color v1.7.0
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/julienschmidt/httprouter v0.0.0-20150421170007-8c199fb6259f
+	github.com/mattn/go-colorable v0.0.9 // indirect
+	github.com/mattn/go-isatty v0.0.4 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/russross/blackfriday v1.5.1 // indirect
+	github.com/spf13/cobra v0.0.0-20180829160745-99dc12355885
+	github.com/spf13/pflag v1.0.2
+	github.com/stretchr/testify v1.2.2
+	golang.org/x/crypto v0.0.0-20180904163835-0709b304e793
+	golang.org/x/sys v0.0.0-20180920110915-d641721ec2de // indirect
+	gopkg.in/yaml.v2 v2.2.1
+)

go.sum

@@ -0,0 +1,32 @@
+github.com/cpuguy83/go-md2man v1.0.8 h1:DwoNytLphI8hzS2Af4D0dfaEaiSq2bN05mEm4R6vf8M=
+github.com/cpuguy83/go-md2man v1.0.8/go.mod h1:N6JayAiVKtlHSnuTCeuLSQVs75hb8q+dYQLjr7cDsKY=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
+github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
+github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
+github.com/julienschmidt/httprouter v0.0.0-20150421170007-8c199fb6259f h1:uUls/Yg9JMVDQiD1vHplcHRNqz5wv6qylEXYM7JtLUY=
+github.com/julienschmidt/httprouter v0.0.0-20150421170007-8c199fb6259f/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/mattn/go-colorable v0.0.9 h1:UVL0vNpWh04HeJXV0KLcaT7r06gOH2l4OW6ddYRUIY4=
+github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
+github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs=
+github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday v1.5.1 h1:B8ZN6pD4PVofmlDCDUdELeYrbsVIDM/bpjW3v3zgcRc=
+github.com/russross/blackfriday v1.5.1/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
+github.com/spf13/cobra v0.0.0-20180829160745-99dc12355885 h1:/QQvE738d0yERA4B+d1WcV8+amUA3dOIc6PQJp9UKQw=
+github.com/spf13/cobra v0.0.0-20180829160745-99dc12355885/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
+github.com/spf13/pflag v1.0.2 h1:Fy0orTDgHdbnzHcsOgfCN4LtHf0ec3wwtiwJqwvf3Gc=
+github.com/spf13/pflag v1.0.2/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I=
+golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
+golang.org/x/sys v0.0.0-20180920110915-d641721ec2de h1:soC2mvPVpAV+Ld2qtpNn1eq25WTn76uIGNV23bofu6Q=
+golang.org/x/sys v0.0.0-20180920110915-d641721ec2de/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE=
+gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=