add release workflow

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: release
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/[email protected]
+        with:
+          go-version: "^1.20"
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@@v4.2.0
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          # To upload homebrew formula to other repos,
+          # need to set the dedicated token having enough permissions
+          # https://github.com/goreleaser/goreleaser/issues/982
+          GITHUB_TOKEN: ${{ secrets.GORELEASER_GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,37 @@
+project_name: ecsource
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - main: .
+    binary: ecsource
+    ldflags:
+      - -s -w
+      - -X github.com/tatsuo48/ecsource/main.Version={{.Version}}
+      - -X github.com/tatsuo48/ecsource/main.Revision={{.ShortCommit}}
+    env:
+      - CGO_ENABLED=0
+archives:
+  - name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}"
+    replacements:
+      darwin: darwin
+      linux: linux
+      windows: windows
+      386: i386
+      amd64: x86_64
+    format_overrides:
+      - goos: windows
+        format: zip
+release:
+  prerelease: auto
+
+brews:
+  - tap:
+      owner: tatsuo48
+      name: homebrew-tap
+    folder: Formula
+    homepage: https://github.com/tatsuo48/ecsource
+    description: ECS Task Definition tool to display resources such as CPU, memory, and memory reservations in an easy-to-read format.
+    skip_upload: auto
+    test: |
+      system "#{bin}/ecsource", "-v"

Makefile

@@ -1,4 +1,4 @@
-.PHONY: build
+.PHONY: build install clean
 
 build:
 	@echo "Building..."

main.go

@@ -10,6 +10,12 @@ import (
 	"github.com/olekukonko/tablewriter"
 )
 
+// These variables are set in build step
+var (
+	Version  = "unset"
+	Revision = "unset"
+)
+
 // Generated by https://quicktype.io
 
 type TaskDefinitionJson struct {
@@ -92,7 +98,16 @@ type Secret struct {
 
 func main() {
 	if len(os.Args) < 2 {
-		log.Fatal("ファイル名を指定してくだい")
+		log.Fatal("please specify file path")
+	}
+	if os.Args[1] == "-h" || os.Args[1] == "--help" {
+		fmt.Printf("Usage: %s [file path]", os.Args[0])
+		os.Exit(0)
+	}
+	if os.Args[1] == "--version" || os.Args[1] == "-v" {
+		fmt.Printf("version: %s\n", Version)
+		fmt.Printf("revision: %s\n", Revision)
+		os.Exit(0)
 	}
 	src, err := os.ReadFile(os.Args[1])
 	if err != nil {