feat: replace jenkins with drone (#7)

.drone.yml

@@ -0,0 +1,80 @@
+workspace:
+  base: /srv/app
+  path: src/github.com/appleboy/drone-jenkins
+
+pipeline:
+  clone:
+    image: plugins/git
+    tags: true
+
+  # restore the cache from an sftp server
+  restore_cache:
+    image: appleboy/drone-sftp-cache
+    pull: true
+    restore: true
+    mount: [ .glide, vendor ]
+    ignore_branch: true
+
+  test:
+    image: appleboy/golang-testing
+    pull: true
+    environment:
+      TAGS: netgo
+      GOPATH: /srv/app
+    commands:
+      - make dep_install
+      - make vet
+      - make lint
+      - make test
+      - make coverage
+      - make build
+      # build binary for docker image
+      - make static_build
+    when:
+      event: [ push, tag, pull_request ]
+
+  release:
+    image: appleboy/golang-testing
+    pull: true
+    environment:
+      TAGS: netgo
+      GOPATH: /srv/app
+    commands:
+      - make release
+    when:
+      event: [ tag ]
+      branch: [ refs/tags/* ]
+
+  docker:
+    image: plugins/docker
+    repo: ${DRONE_REPO}
+    tags: [ '${DRONE_TAG}' ]
+    when:
+      event: [ tag ]
+      branch: [ refs/tags/* ]
+
+  docker:
+    image: plugins/docker
+    repo: ${DRONE_REPO}
+    tags: [ 'latest' ]
+    when:
+      event: [ push ]
+      branch: [ master ]
+
+  github:
+    image: plugins/github-release
+    files:
+      - dist/release/*
+    when:
+      event: [ tag ]
+      branch: [ refs/tags/* ]
+
+  # rebuild the cache on the sftp server
+  rebuild_cache:
+    image: appleboy/drone-sftp-cache
+    pull: true
+    rebuild: true
+    mount: [ .glide, vendor ]
+    ignore_branch: true
+    when:
+      branch: master

.drone.yml.sig

@@ -0,0 +1 @@
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.travis.yml

@@ -16,7 +16,7 @@ before_install:
   - curl https://glide.sh/get | sh
 
 install:
-  - make install
+  - make dep_install
 
 script:
   - make test

Makefile

@@ -1,8 +1,17 @@
-.PHONY: install build test html update docker_build docker_image docker docker_deploy clean
+.PHONY: test drone-jenkins build fmt vet errcheck lint install update release-dirs release-build release-copy release-check release coverage
 
-VERSION := $(shell git describe --tags --always || git rev-parse --short HEAD)
-DEPLOY_ACCOUNT := "appleboy"
-DEPLOY_IMAGE := "drone-jenkins"
+DIST := dist
+EXECUTABLE := drone-jenkins
+
+# for dockerhub
+DEPLOY_ACCOUNT := appleboy
+DEPLOY_IMAGE := $(EXECUTABLE)
+
+TARGETS ?= linux darwin windows
+PACKAGES ?= $(shell go list ./... | grep -v /vendor/)
+SOURCES ?= $(shell find . -name "*.go" -type f)
+TAGS ?=
+LDFLAGS += -X 'main.Version=$(VERSION)'
 
 ifneq ($(shell uname), Darwin)
 	EXTLDFLAGS = -extldflags "-static" $(null)
@@ -10,39 +19,96 @@ else
 	EXTLDFLAGS =
 endif
 
-install:
-	glide install
+ifneq ($(DRONE_TAG),)
+	VERSION ?= $(DRONE_TAG)
+else
+	VERSION ?= $(shell git describe --tags --always || git rev-parse --short HEAD)
+endif
 
-build:
-	go build -ldflags="$(EXTLDFLAGS)-s -w -X main.Version=$(VERSION)"
+all: build
+
+fmt:
+	find . -name "*.go" -type f -not -path "./vendor/*" | xargs gofmt -s -w
+
+vet:
+	go vet $(PACKAGES)
+
+errcheck:
+	@which errcheck > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/kisielk/errcheck; \
+	fi
+	errcheck $(PACKAGES)
+
+lint:
+	@which golint > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/golang/lint/golint; \
+	fi
+	for PKG in $(PACKAGES); do golint -set_exit_status $$PKG || exit 1; done;
 
 test:
-	go test -v -coverprofile=coverage.txt
+	for PKG in $(PACKAGES); do go test -v -cover -coverprofile $$GOPATH/src/$$PKG/coverage.txt $$PKG || exit 1; done;
 
 html:
 	go tool cover -html=coverage.txt
 
-update:
+dep_install:
+	glide install
+
+dep_update:
 	glide up
 
-docker_build:
-	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -tags netgo -ldflags="-X main.Version=$(VERSION)"
+install: $(SOURCES)
+	go install -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)'
+
+build: $(EXECUTABLE)
+
+$(EXECUTABLE): $(SOURCES)
+	go build -v -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o $@
+
+release: release-dirs release-build release-copy release-check
+
+release-dirs:
+	mkdir -p $(DIST)/binaries $(DIST)/release
+
+release-build:
+	@which gox > /dev/null; if [ $$? -ne 0 ]; then \
+		go get -u github.com/mitchellh/gox; \
+	fi
+	gox -os="$(TARGETS)" -arch="amd64 386" -tags="$(TAGS)" -ldflags="-s -w $(LDFLAGS)" -output="$(DIST)/binaries/$(EXECUTABLE)-$(VERSION)-{{.OS}}-{{.Arch}}"
+
+release-copy:
+	$(foreach file,$(wildcard $(DIST)/binaries/$(EXECUTABLE)-*),cp $(file) $(DIST)/release/$(notdir $(file));)
+
+release-check:
+	cd $(DIST)/release; $(foreach file,$(wildcard $(DIST)/release/$(EXECUTABLE)-*),sha256sum $(notdir $(file)) > $(notdir $(file)).sha256;)
+
+# for docker.
+static_build:
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -tags '$(TAGS)' -ldflags '$(EXTLDFLAGS)-s -w $(LDFLAGS)' -o $(DEPLOY_IMAGE)
 
 docker_image:
-	docker build --rm -t $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE) .
+	docker build -t $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE) .
 
-docker: docker_build docker_image
+docker: static_build docker_image
 
 docker_deploy:
 ifeq ($(tag),)
 	@echo "Usage: make $@ tag=<tag>"
 	@exit 1
 endif
+	# deploy image
 	docker tag $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE):latest $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE):$(tag)
 	docker push $(DEPLOY_ACCOUNT)/$(DEPLOY_IMAGE):$(tag)
 
+coverage:
+	sed -i '/main.go/d' coverage.txt
+	curl -s https://codecov.io/bash > .codecov && \
+	chmod +x .codecov && \
+	./.codecov -f coverage.txt
+
 clean:
-	rm -rf coverage.txt $(DEPLOY_IMAGE)
+	go clean -x -i ./...
+	rm -rf coverage.txt $(EXECUTABLE) $(DIST) vendor
 
 version:
 	@echo $(VERSION)