Add release flow

.github/workflows/release.yml

@@ -0,0 +1,26 @@
+name: Release
+
+on:
+  push:
+    tags:
+    - "v[0-9]+.[0-9]+.[0-9]+"
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Unshallow
+      run: git fetch --prune --unshallow
+    - name: Set up Go
+      uses: actions/setup-go@v1
+      with:
+        go-version: 1.16.x
+    - name: Run GoReleaser
+      uses: goreleaser/goreleaser-action@v1
+      with:
+        version: latest
+        args: release --rm-dist
+      env:
+        GITHUB_TOKEN: ${{ secrets.COMMITTER_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,42 @@
+before:
+  hooks:
+    - go mod download
+builds:
+- env:
+  - CGO_ENABLED=0
+  binary: toggl
+  goos:
+  - darwin
+  - linux
+  - windows
+  goarch:
+  - amd64
+  ldflags:
+  - -s -w -X github.com/sachaos/toggl.version={{.Version}}
+archives:
+- replacements:
+    darwin: Darwin
+    linux: Linux
+    windows: Windows
+    386: i386
+    amd64: x86_64
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'
+brews:
+- tap:
+    owner: sachaos
+    name: homebrew-tap
+  folder: Formula
+  homepage: https://github.com/sachaos/toggl
+  description: Toggl CLI client
+  skip_upload: auto
+  test: |
+    system "#{bin}/toggl", "--version"

main.go

@@ -24,6 +24,11 @@ const (
 	ConfigType = "json"
 )
 
+
+const Name string = "toggl"
+
+var version string
+
 func main() {
 	cache.New(os.Getenv("HOME") + "/.toggl.cache.json")
 	cache.Init()
@@ -34,7 +39,7 @@ func main() {
 
 	app := cli.NewApp()
 	app.Name = Name
-	app.Version = Version
+	app.Version = version
 	app.Author = "sachaos"
 	app.Email = "sakataku7@gmail.com"
 	app.Usage = "Toggl API CLI Client"