PROGRAM_NAME = pgcenter
COMMIT=$(shell git rev-parse --short HEAD)
BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
TAG=$(shell git describe --tags |cut -d- -f1)
LDFLAGS = -ldflags "-X main.gitTag=${TAG} -X main.gitCommit=${COMMIT} -X main.gitBranch=${BRANCH}"
.PHONY: help clean dep build install uninstall
.DEFAULT_GOAL := help
help: ## Display this help screen.
  @echo "Makefile available targets:"
  @grep -h -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "  * \033[36m%-15s\033[0m %s\n", $$1, $$2}'
dep: ## Download the dependencies.
  go mod download
build: dep ## Build pgcenter executable.
  mkdir -p ./bin
  CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} go build ${LDFLAGS} -o bin/${PROGRAM_NAME} ./cmd
clean: ## Clean build directory.
  rm -f ./bin/${PROGRAM_NAME}
  rmdir ./bin

lint: dep ## Lint the source files
  golangci-lint run --timeout 5m -E golint
  gosec -quiet ./...

test: dep ## Run tests
  go test -race -p 1 -timeout 300s -coverprofile=.test_coverage.txt ./... && \
      go tool cover -func=.test_coverage.txt | tail -n1 | awk '{print "Total test coverage: " $$3}'
  @rm .test_coverage.txt

# stage 1: build
FROM golang:1.15 as build
LABEL stage=intermediate
WORKDIR /app
COPY . .
RUN make build
# stage 2: scratch
FROM scratch as scratch
COPY --from=build /app/bin/pgcenter /bin/pgcenter
CMD ["pgcenter"]

docker-build: ## Build docker image
  docker build -t lesovsky/pgcenter:${TAG} .
  docker image prune --force --filter label=stage=intermediate
docker-push: ## Push docker image to registry
  docker push lesovsky/pgcenter:${TAG}

---
name: Release
on:
  push:
    branches: [ release ]
jobs:
  test:
    runs-on: ubuntu-latest
    container: lesovsky/pgcenter-testing:v0.0.1
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Prepare test environment
        run: prepare-test-environment.sh
      - name: Run lint
        run: make lint
      - name: Run test
        run: make test
  build:
    runs-on: ubuntu-latest
    needs: test
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Build image
        run: make docker-build
      - name: Log in to Docker Hub
        run: docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
      - name: Push image to Docker Hub
        run: make docker-push
  goreleaser:
    runs-on: ubuntu-latest
    needs: [ test, build ]
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - uses: actions/setup-go@v2
        with:
          go-version: 1.15
      - uses: goreleaser/goreleaser-action@v2
        with:
          version: latest
          args: release --rm-dist
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

before:
  hooks:
  - make dep
builds:
  - binary: pgcenter
    main: ./cmd
    goarch:
      - amd64
    goos:
      - linux
    env:
      - CGO_ENABLED=0
    ldflags:
      - -a -installsuffix cgo
      - -X main.gitTag={{.Tag}} -X main.gitCommit={{.Commit}} -X main.gitBranch={{.Branch}}
archives:
  - builds: [pgcenter]
changelog:
  sort: asc
nfpms:
  - vendor: pgcenter
    homepage: https://github.com/lesovsky/pgcenter
    maintainer: Alexey Lesovsky
    description: Command-line admin tool for observing and troubleshooting Postgres.
    license: BSD-3
    formats: [ deb, rpm ]