Add GoReleaser

.circleci/config.yml

@@ -33,8 +33,37 @@ jobs:
           name: Run tests
           command: ginkgo -race -r
 
+  release:
+    <<: *docker_golang
+    working_directory: /go/src/github.com/gocardless/pgreplay-go
+    steps:
+      - checkout
+      - run:
+          name: Release
+          command: |
+            CURRENT_VERSION="v$(cat VERSION)"
+
+            if [[ $(git tag -l "${CURRENT_VERSION}") == "${CURRENT_VERSION}" ]]; then
+              echo "Version ${CURRENT_VERSION} is already released"
+              exit 0
+            fi
+
+            curl -L -o /tmp/goreleaser_Linux_x86_64.tar.gz https://github.com/goreleaser/goreleaser/releases/download/v0.101.0/goreleaser_Linux_x86_64.tar.gz
+            tar zxf /tmp/goreleaser_Linux_x86_64.tar.gz -C /tmp
+
+            git log --pretty=oneline --abbrev-commit --no-decorate --no-color "$(git describe --tags --abbrev=0)..HEAD" -- pkg cmd vendor internal > /tmp/release-notes
+            git tag "${CURRENT_VERSION}"
+            git push --tags
+
+            /tmp/goreleaser --rm-dist --release-notes /tmp/release-notes
+
 workflows:
   version: 2
   build-integration:
     jobs:
       - unit-integration
+      - release:
+          requires:
+            - unit-integration
+          filters:
+            branches: {only: master}

.gitignore

@@ -1 +1,2 @@
 bin/
+dist/

.goreleaser.yml

@@ -0,0 +1,44 @@
+# View goreleaser docs for configuration settings
+# https://goreleaser.com
+
+---
+project_name: pgreplay
+
+builds:
+  - binary: pgreplay
+    main: cmd/pgreplay/main.go
+    goos:
+      - darwin
+      - linux
+    goarch:
+      - amd64
+    ldflags: >
+      -X github.com/gocardless/pgreplay/cmd/main.Version={{.Version}}
+      -X github.com/gocardless/pgreplay/cmd/main.Commit={{.Commit}}
+      -X github.com/gocardless/pgreplay/cmd/main.Date={{.Date}}
+      -a
+      -installsuffix cgo
+    env:
+      - CGO_ENABLED=0
+
+nfpm:
+  name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+  vendor: GoCardless
+  homepage: https://github.com/gocardless/pgreplay-go
+  maintainer: GoCardless Engineering <[email protected]>
+  description: &description PostgreSQL load testing tool
+  formats:
+    - deb
+
+brew:
+  github:
+    owner: gocardless
+    name: homebrew-taps
+  commit_author:
+    name: GoCardless Engineering
+    email: [email protected]
+  folder: Formula
+  homepage: https://github.com/gocardless/pgreplay-go
+  description: *description
+  test: system "#{bin}/pgreplay version"
+  install: bin.install "pgreplay"

VERSION

@@ -0,0 +1 @@
+0.1.0

cmd/pgreplay/main.go

@@ -6,6 +6,7 @@ import (
 	stdlog "log"
 	"net/http"
 	"os"
+	"runtime"
 	"time"
 
 	"github.com/alecthomas/kingpin"
@@ -19,10 +20,9 @@ import (
 )
 
 var logger kitlog.Logger
-var Version string // assigned during build
 
 var (
-	app = kingpin.New("pgreplay", "Replay Postgres logs against database").Version(Version)
+	app = kingpin.New("pgreplay", "Replay Postgres logs against database").Version(versionStanza())
 
 	// Global flags applying to every command
 	debug          = app.Flag("debug", "Enable debug logging").Default("false").Bool()
@@ -185,6 +185,22 @@ func main() {
 	}
 }
 
+// Set by goreleaser
+var (
+	Version       = "dev"
+	Commit        = "none"
+	Date          = "unknown"
+	GoVersion     = runtime.Version()
+	VersionStanza string
+)
+
+func versionStanza() string {
+	return fmt.Sprintf(
+		"pgreplay Version: %v\nGit SHA: %v\nGo Version: %v\nGo OS/Arch: %v/%v\nBuilt at: %v",
+		Version, Commit, GoVersion, runtime.GOOS, runtime.GOARCH, Date,
+	)
+}
+
 func checkSingleFormat(formats ...*string) (result *string) {
 	var supplied = 0
 	for _, format := range formats {