add a github actions config (#985)

* add a github actions config

* fix(log): Don't create a log dir when testing

* remove a meaningless test case

* Thanks for everything, Mr, Travys.

* add golangci

* add goreleaser.yml

* add tidy.yml

* add golang-ci

* fix many lint warnings

.github/workflows/golangci.yml

@@ -0,0 +1,28 @@
+name: golangci-lint
+on:
+  push:
+    tags:
+      - v*
+    branches:
+      - master
+  pull_request:
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v1
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.26
+          
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

.github/workflows/goreleaser.yml

@@ -0,0 +1,31 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+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@v2
+        with:
+          go-version: 1.14
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+

.github/workflows/test.yml

@@ -0,0 +1,21 @@
+name: Test
+
+on: [pull_request]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.14.x
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Test
+      run: make test

.github/workflows/tidy.yml

@@ -0,0 +1,22 @@
+name: go-mod-tidy-pr
+
+on:
+  schedule:
+    - cron: "0 0 * * 1" # Weekly build
+
+jobs:
+  go-mod-tidy-pr:
+    name: go-mod-tidy-pr
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Run go-mod-tidy-pr
+        uses: sue445/go-mod-tidy-pr@master
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          git_user_name: kotakanbe
+          git_user_email: kotakanbe@gmail.com
+          go_version: 1.14.x