use go modules

vendor/github.com/spf13/viper/Makefile

@@ -0,0 +1,76 @@
+# A Self-Documenting Makefile: http://marmelab.com/blog/2016/02/29/auto-documented-makefile.html
+
+OS = $(shell uname | tr A-Z a-z)
+export PATH := $(abspath bin/):${PATH}
+
+# Build variables
+BUILD_DIR ?= build
+export CGO_ENABLED ?= 0
+export GOOS = $(shell go env GOOS)
+ifeq (${VERBOSE}, 1)
+ifeq ($(filter -v,${GOARGS}),)
+	GOARGS += -v
+endif
+TEST_FORMAT = short-verbose
+endif
+
+# Dependency versions
+GOTESTSUM_VERSION = 1.8.0
+GOLANGCI_VERSION = 1.49.0
+
+# Add the ability to override some variables
+# Use with care
+-include override.mk
+
+.PHONY: clear
+clear: ## Clear the working area and the project
+	rm -rf bin/
+
+.PHONY: check
+check: test lint ## Run tests and linters
+
+bin/gotestsum: bin/gotestsum-${GOTESTSUM_VERSION}
+	@ln -sf gotestsum-${GOTESTSUM_VERSION} bin/gotestsum
+bin/gotestsum-${GOTESTSUM_VERSION}:
+	@mkdir -p bin
+	curl -L https://github.com/gotestyourself/gotestsum/releases/download/v${GOTESTSUM_VERSION}/gotestsum_${GOTESTSUM_VERSION}_${OS}_amd64.tar.gz | tar -zOxf - gotestsum > ./bin/gotestsum-${GOTESTSUM_VERSION} && chmod +x ./bin/gotestsum-${GOTESTSUM_VERSION}
+
+TEST_PKGS ?= ./...
+.PHONY: test
+test: TEST_FORMAT ?= short
+test: SHELL = /bin/bash
+test: export CGO_ENABLED=1
+test: bin/gotestsum ## Run tests
+	@mkdir -p ${BUILD_DIR}
+	bin/gotestsum --no-summary=skipped --junitfile ${BUILD_DIR}/coverage.xml --format ${TEST_FORMAT} -- -race -coverprofile=${BUILD_DIR}/coverage.txt -covermode=atomic $(filter-out -v,${GOARGS}) $(if ${TEST_PKGS},${TEST_PKGS},./...)
+
+bin/golangci-lint: bin/golangci-lint-${GOLANGCI_VERSION}
+	@ln -sf golangci-lint-${GOLANGCI_VERSION} bin/golangci-lint
+bin/golangci-lint-${GOLANGCI_VERSION}:
+	@mkdir -p bin
+	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | bash -s -- -b ./bin/ v${GOLANGCI_VERSION}
+	@mv bin/golangci-lint "$@"
+
+.PHONY: lint
+lint: bin/golangci-lint ## Run linter
+	bin/golangci-lint run
+
+.PHONY: fix
+fix: bin/golangci-lint ## Fix lint violations
+	bin/golangci-lint run --fix
+
+# Add custom targets here
+-include custom.mk
+
+.PHONY: list
+list: ## List all make targets
+	@${MAKE} -pRrn : -f $(MAKEFILE_LIST) 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' | sort
+
+.PHONY: help
+.DEFAULT_GOAL := help
+help:
+	@grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+# Variable outputting/exporting rules
+var-%: ; @echo $($*)
+varexport-%: ; @echo $*=$($*)