Update CHANGELOG

Co-authored-by: CrazyMax <crazy-max@users.noreply.github.com>

.dockerignore

@@ -0,0 +1 @@
+node_modules

.github/dependabot.yml

@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "06:00"
+      timezone: "Europe/Paris"
+    labels:
+      - "dependencies"
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "06:00"
+      timezone: "Europe/Paris"
+    allow:
+      - dependency-type: "production"
+    labels:
+      - "dependencies"

.github/workflows/ci.yaml

@@ -1,90 +0,0 @@
-name: ci
-
-on:
-  push:
-    branches:
-      - 'master'
-      - 'releases/'
-    paths-ignore:
-      - '**.md'
-  pull_request:
-    paths-ignore:
-      - '**.md'
-
-jobs:
-  ci:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-latest
-          - macOS-latest
-          - windows-latest
-        version:
-          - latest
-          - v0.117.0
-    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: Check
-        uses: ./
-        with:
-          version: ${{ matrix.version }}
-          args: check --debug
-      -
-        name: GoReleaser
-        uses: ./
-        with:
-          version: ${{ matrix.version }}
-          args: release --skip-publish --rm-dist
-
-  signing:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-latest
-          - macOS-latest
-          - windows-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: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v1
-        env:
-          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY_TEST }}
-          PASSPHRASE: ${{ secrets.PASSPHRASE_TEST }}
-      -
-        name: Check
-        uses: ./
-        with:
-          version: latest
-          args: -f .goreleaser-signing.yml check --debug
-      -
-        name: GoReleaser
-        uses: ./
-        with:
-          version: latest
-          args: -f .goreleaser-signing.yml release --skip-publish --rm-dist

.github/workflows/ci.yml

@@ -0,0 +1,155 @@
+name: ci
+
+on:
+  schedule:
+    - cron: '0 10 * * *' # everyday at 10am
+  pull_request:
+    branches:
+      - master
+      - releases/v*
+  push:
+    branches:
+      - master
+      - releases/v*
+
+jobs:
+  ci:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+        version:
+          - latest
+          - v0.145.0
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      -
+        name: Check
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          args: check --debug
+      -
+        name: GoReleaser
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          args: release --skip-publish --rm-dist
+
+  install-only:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - latest
+          - v0.145.0
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      -
+        name: GoReleaser
+        uses: ./
+        with:
+          version: ${{ matrix.version }}
+          install-only: true
+      -
+        name: Check
+        run: |
+          goreleaser check --debug
+
+  signing:
+    runs-on: ${{ matrix.os }}
+    if: github.event_name != 'pull_request'
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - macOS-latest
+          - windows-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      -
+        name: Import GPG key
+        id: import_gpg
+        uses: crazy-max/ghaction-import-gpg@v3
+        with:
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY_TEST }}
+          passphrase: ${{ secrets.PASSPHRASE_TEST }}
+      -
+        name: Check
+        uses: ./
+        with:
+          version: latest
+          args: -f .goreleaser-signing.yml check --debug
+        env:
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
+      -
+        name: GoReleaser
+        uses: ./
+        with:
+          version: latest
+          args: -f .goreleaser-signing.yml release --skip-publish --rm-dist
+        env:
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
+
+  upload-artifact:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15
+      -
+        name: Check
+        uses: ./
+        with:
+          args: check --debug
+      -
+        name: GoReleaser
+        uses: ./
+        with:
+          args: release --skip-publish --rm-dist
+      -
+        name: Upload assets
+        uses: actions/upload-artifact@v2
+        with:
+          name: myapp
+          path: dist/*

.github/workflows/lint.yml

@@ -1,26 +0,0 @@
-name: lint
-
-on:
-  pull_request:
-    paths:
-      - '.github/workflows/lint.yml'
-      - 'src/*'
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      -
-        # https://github.com/actions/checkout
-        name: Checkout
-        uses: actions/checkout@v2
-      -
-        # https://github.com/actions/setup-node
-        name: Set up Node
-        uses: actions/setup-node@v1
-      -
-        name: Setup TS
-        run: npm install tslint typescript -g
-      -
-        name: Lint check
-        run: tslint './src/*.ts'

.github/workflows/test.yml

@@ -3,8 +3,8 @@ name: test
 on:
   push:
     branches:
-      - 'master'
-      - 'releases/*'
+      - master
+      - releases/v*
     paths-ignore:
       - '**.md'
   pull_request:
@@ -12,6 +12,21 @@ on:
       - '**.md'
 
 jobs:
+  test-containerized:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      -
+        name: Validate
+        run: docker buildx bake validate
+      -
+        name: Test
+        run: docker buildx bake test
+
   test:
     runs-on: ${{ matrix.os }}
     strategy:
@@ -23,20 +38,17 @@ jobs:
           - windows-latest
     steps:
       -
-        # https://github.com/actions/checkout
         name: Checkout
         uses: actions/checkout@v2
-      -
-        name: Unshallow
-        run: git fetch --prune --unshallow
+        with:
+          fetch-depth: 0
       -
         name: Install
-        run: npm install
+        run: yarn install
       -
         name: Test
-        run: npm run test
+        run: yarn run test
       -
-        # https://github.com/codecov/codecov-action
         name: Upload coverage
         uses: codecov/codecov-action@v1
         if: success()

.goreleaser-signing.yml

@@ -37,4 +37,4 @@ checksum:
 signs:
   -
     artifacts: checksum
-    args: ["--batch", "-u", "27571A53B86AF0C799B38BA77D851EB72D73BDA0", "--output", "${signature}", "--detach-sign", "${artifact}"]
+    args: ["--batch", "-u", "{{ .Env.GPG_FINGERPRINT }}", "--output", "${signature}", "--detach-sign", "${artifact}"]

.kodiak.toml

@@ -0,0 +1,15 @@
+version = 1
+
+[merge]
+automerge_label = "automerge"
+blacklist_title_regex = "^WIP.*"
+method = "squash"
+delete_branch_on_merge = true
+block_on_reviews_requested = false
+notify_on_conflict = true
+optimistic_updates = true
+
+[merge.message]
+title = "pull_request_title"
+include_pr_number = true
+body_type = "markdown"

CHANGELOG.md

@@ -1,5 +1,39 @@
 # Changelog
 
+## 2.4.0 (2020/11/30)
+
+* Set GORELEASER_CURRENT_TAG (#259)
+* Container based developer flow (#258)
+* Upload artifact example (#257)
+* Bump @actions/tool-cache from 1.6.0 to 1.6.1 (#256)
+
+## 2.3.0 (2020/11/06)
+
+* Add install-only option for using goreleaser in user scripts (#252)
+* Update deps
+
+## 2.2.1 (2020/10/01)
+
+* Fix CVE-2020-15228
+
+## 2.2.0 (2020/08/27)
+
+* Use GITHUB_REF to retrieve tag before checking the most recent tag (#238)
+* Update deps
+
+## 2.1.1 (2020/06/24)
+
+* Fix workdir (#224)
+
+## 2.1.0 (2020/06/15)
+
+* Implement (optional) semver parsing of version (#213)
+* Remove unshallow step (goreleaser/goreleaser#1608)
+
+## 2.0.2 (2020/05/10)
+
+* Use template in `sign.args`
+
 ## 2.0.1 (2020/05/10)
 
 * Dummy release to mark v2 as latest on the marketplace

Dockerfile.dev

@@ -0,0 +1,46 @@
+#syntax=docker/dockerfile:1.1-experimental
+
+FROM node:12 AS deps
+WORKDIR /src
+COPY package.json yarn.lock ./
+RUN --mount=type=cache,target=/usr/local/share/.cache/yarn \
+  yarn install
+
+FROM scratch AS update-yarn
+COPY --from=deps /src/yarn.lock /
+
+FROM deps AS validate-yarn
+COPY .git .git
+RUN status=$(git status --porcelain -- yarn.lock); if [ -n "$status" ]; then echo $status; exit 1; fi
+
+FROM deps AS base
+COPY . .
+
+FROM base AS build
+RUN yarn build
+
+FROM deps AS test
+ARG TARGETOS
+ARG TARGETARCH
+ENV RUNNER_TEMP=/tmp/github_runner
+ENV RUNNER_TOOL_CACHE=/tmp/github_tool_cache
+COPY . .
+RUN yarn run test
+
+FROM base AS run-format
+RUN yarn run format
+
+FROM scratch AS format
+COPY --from=run-format /src/src/*.ts /src/
+
+FROM base AS validate-format
+RUN yarn run format-check
+
+FROM scratch AS dist
+COPY --from=build /src/dist/ /dist/
+
+FROM build AS validate-build
+RUN status=$(git status --porcelain -- dist); if [ -n "$status" ]; then echo $status; exit 1; fi
+
+FROM base AS dev
+ENTRYPOINT ["bash"]

README.md

@@ -19,10 +19,13 @@ ___
   * [Workflow](#workflow)
   * [Run on new tag](#run-on-new-tag)
   * [Signing](#signing)
+  * [Upload artifacts](#upload-artifacts)
+  * [Install Only](#install-only)
 * [Customizing](#customizing)
   * [inputs](#inputs)
   * [environment variables](#environment-variables)
 * [Limitation](#limitation)
+* [Development](#development)
 * [License](#license)
 
 ## Usage
@@ -43,14 +46,13 @@ jobs:
       -
         name: Checkout
         uses: actions/checkout@v2
-      -
-        name: Unshallow
-        run: git fetch --prune --unshallow
+        with:
+          fetch-depth: 0
       -
         name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.15
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
@@ -61,7 +63,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 ```
 
-> **IMPORTANT**: note the `Unshallow` step. It is required for the changelog to work correctly.
+> **IMPORTANT**: note the `fetch-depth: 0` input in `Checkout` step. It is required  for the changelog to work correctly.
 
 ### Run on new tag
 
@@ -97,10 +99,11 @@ If [signing is enabled](https://goreleaser.com/customization/#Signing) in your G
 ```yaml
       -
         name: Import GPG key
-        uses: crazy-max/ghaction-import-gpg@v1
-        env:
-          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
-          PASSPHRASE: ${{ secrets.PASSPHRASE }}
+        id: import_gpg
+        uses: crazy-max/ghaction-import-gpg@v3
+        with:
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.PASSPHRASE }}
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
@@ -109,14 +112,51 @@ If [signing is enabled](https://goreleaser.com/customization/#Signing) in your G
           args: release --rm-dist
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
 ```
 
-And reference the userID in your signing configuration:
+And reference the fingerprint in your signing configuration using the `GPG_FINGERPRINT` environment variable:
 
 ```yaml
 signs:
   - artifacts: checksum
-    args: ["--batch", "-u", "<key id, fingerprint, email, ...>", "--output", "${signature}", "--detach-sign", "${artifact}"]
+    args: ["--batch", "-u", "{{ .Env.GPG_FINGERPRINT }}", "--output", "${signature}", "--detach-sign", "${artifact}"]
+```
+
+### Upload artifacts
+
+For some events like pull request or schedule you might want to store the artifacts somewhere for testing
+purpose. You can do that with the [actions/upload-artifact](https://github.com/actions/upload-artifact) action:
+
+```yaml
+      -
+        name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Upload assets
+        uses: actions/upload-artifact@v2
+        with:
+          name: myapp
+          path: dist/*
+```
+
+### Install Only
+
+```yaml
+steps:
+  -
+    name: Install GoReleaser
+    uses: goreleaser/goreleaser-action@v2
+    with:
+      install-only: true
+  -
+    name: Show GoReleaser version
+    run: goreleaser -v
 ```
 
 ## Customizing
@@ -125,11 +165,14 @@ signs:
 
 Following inputs can be used as `step.with` keys
 
-| Name          | Type    | Default   | Description                               |
-|---------------|---------|-----------|-------------------------------------------|
-| `version`     | String  | `latest`  | GoReleaser version. Example: `v0.117.0`   |
-| `args`        | String  |           | Arguments to pass to GoReleaser           |
-| `workdir`     | String  | `.`       | Working directory (below repository root) |
+| Name             | Type    | Default   | Description                               |
+|------------------|---------|-----------|-------------------------------------------|
+| `version`**¹**   | String  | `latest`  | GoReleaser version                        |
+| `args`           | String  |           | Arguments to pass to GoReleaser           |
+| `workdir`        | String  | `.`       | Working directory (below repository root) |
+| `install-only`   | Bool    | `false`   | Just install GoReleaser                   |
+
+> **¹** Can be a fixed version like `v0.117.0` or a max satisfying semver one like `~> 0.132`. In this case this will return `v0.132.1`.
 
 ### environment variables
 
@@ -159,6 +202,19 @@ secret named `GH_PAT`, the step will look like this:
           GITHUB_TOKEN: ${{ secrets.GH_PAT }}
 ```
 
+## Development
+
+```
+# format code and build javascript artifacts
+docker buildx bake pre-checkin
+
+# validate all code has correctly formatted and built
+docker buildx bake validate
+
+# run tests
+docker buildx bake test
+```
+
 ## License
 
 MIT. See `LICENSE` for more details.

__tests__/git.test.ts

@@ -1,17 +1,30 @@
 import * as git from '../src/git';
 
 describe('git', () => {
-  it('returns git tag', async () => {
+  it('returns git tag through describe', async () => {
+    process.env.GITHUB_SHA = '309312125ed7a32fcd48f3a1e24dcafe669c186a';
     const tag: string = await git.getTag();
-    console.log(tag);
+    console.log(`tag: ${tag}`);
     expect(tag).not.toEqual('');
   });
+  it('returns git tag through GITHUB_SHA', async () => {
+    process.env.GITHUB_SHA = '6e37040623d14330555c7be1603a9182cf92d32a';
+    const tag: string = await git.getTag();
+    console.log(`tag: ${tag}`);
+    expect(tag).toEqual('v1');
+  });
+  it('returns git tag through GITHUB_REF', async () => {
+    process.env.GITHUB_REF = 'refs/tags/v2.2.1';
+    const tag: string = await git.getTag();
+    console.log(`tag: ${tag}`);
+    expect(tag).toEqual('v2.2.1');
+  });
   it('checks if tag is dirty', async () => {
     expect(await git.isTagDirty('v1.3.1')).toBe(true);
   });
   it('returns short commit', async () => {
     const commit: string = await git.getShortCommit();
-    console.log(commit);
+    console.log(`commit: ${commit}`);
     expect(commit).not.toEqual('');
   });
 });

__tests__/github.test.ts

@@ -3,14 +3,18 @@ import * as github from '../src/github';
 describe('github', () => {
   it('returns latest GoReleaser GitHub release', async () => {
     const release = await github.getRelease('latest');
-    console.log(release);
     expect(release).not.toBeNull();
     expect(release?.tag_name).not.toEqual('');
+    console.log(`tag_name: ${release?.tag_name}`);
   });
   it('returns v0.117.0 GoReleaser GitHub release', async () => {
     const release = await github.getRelease('v0.117.0');
-    console.log(release);
     expect(release).not.toBeNull();
     expect(release?.tag_name).toEqual('v0.117.0');
   });
+  it('returns v0.132.1 GoReleaser GitHub release', async () => {
+    const release = await github.getRelease('~> 0.132');
+    expect(release).not.toBeNull();
+    expect(release?.tag_name).toEqual('v0.132.1');
+  });
 });

__tests__/installer.test.ts

@@ -4,13 +4,11 @@ import * as installer from '../src/installer';
 describe('installer', () => {
   it('acquires v0.117.0 version of GoReleaser', async () => {
     const goreleaser = await installer.getGoReleaser('v0.117.0');
-    console.log(goreleaser);
     expect(fs.existsSync(goreleaser)).toBe(true);
   }, 100000);
 
   it('acquires latest version of GoReleaser', async () => {
     const goreleaser = await installer.getGoReleaser('latest');
-    console.log(goreleaser);
     expect(fs.existsSync(goreleaser)).toBe(true);
   }, 100000);
 });

action.yml

@@ -8,16 +8,20 @@ branding:
 
 inputs:
   version:
-    description: 'GoReleaser version. Example: v0.118.0'
+    description: 'GoReleaser version'
     default: 'latest'
     required: false
   args:
     description: 'Arguments to pass to GoReleaser'
-    required: true
+    required: false
   workdir:
     description: 'Working directory (below repository root)'
     default: '.'
     required: false
+  install-only:
+    description: 'Just install GoReleaser'
+    default: 'false'
+    required: false
 
 runs:
   using: 'node12'

docker-bake.hcl

@@ -0,0 +1,53 @@
+group "default" {
+  targets = ["build"]
+}
+
+group "pre-checkin" {
+  targets = ["update-yarn", "format", "build"]
+}
+
+group "validate" {
+  targets = ["validate-format", "validate-build", "validate-yarn"]
+}
+
+target "dockerfile" {
+  dockerfile = "Dockerfile.dev"
+}
+
+target "update-yarn" {
+  inherits = ["dockerfile"]
+  target = "update-yarn"
+  output = ["."]
+}
+
+target "build" {
+  inherits = ["dockerfile"]
+  target = "dist"
+  output = ["."]
+}
+
+target "test" {
+  inherits = ["dockerfile"]
+  target = "test"
+}
+
+target "format" {
+  inherits = ["dockerfile"]
+  target = "format"
+  output = ["."]
+}
+
+target "validate-format" {
+  inherits = ["dockerfile"]
+  target = "validate-format"
+}
+
+target "validate-build" {
+  inherits = ["dockerfile"]
+  target = "validate-build"
+}
+
+target "validate-yarn" {
+  inherits = ["dockerfile"]
+  target = "validate-yarn"
+}

go.mod

@@ -1,3 +1,3 @@
 module github.com/goreleaser/goreleaser-action
 
-go 1.14
+go 1.15

jest.config.js

@@ -1,10 +1,14 @@
 module.exports = {
   clearMocks: true,
   moduleFileExtensions: ['js', 'ts'],
-  setupFiles: ["dotenv/config"],
+  setupFiles: [
+    "dotenv/config",
+    "<rootDir>/src/test_setup.ts"
+  ],
   testEnvironment: 'node',
   testMatch: ['**/*.test.ts'],
   testRunner: 'jest-circus/runner',
+  testTimeout: 10000,
   transform: {
     '^.+\\.ts$': 'ts-jest'
   },

package.json

@@ -7,8 +7,7 @@
     "test": "jest --coverage",
     "format": "prettier --write **/*.ts",
     "format-check": "prettier --check **/*.ts",
-    "cleanup-paths": "removeNPMAbsolutePaths ./ --force --fields _where _args",
-    "pre-checkin": "npm run format && npm run cleanup-paths && npm run build"
+    "pre-checkin": "yarn run format && yarn run build"
   },
   "repository": {
     "type": "git",
@@ -22,23 +21,23 @@
   "author": "CrazyMax",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.4",
+    "@actions/core": "^1.2.6",
     "@actions/exec": "^1.0.4",
-    "@actions/http-client": "^1.0.8",
-    "@actions/tool-cache": "^1.3.4"
+    "@actions/http-client": "^1.0.9",
+    "@actions/tool-cache": "^1.6.1"
   },
   "devDependencies": {
-    "@types/jest": "^25.2.1",
-    "@types/node": "^13.13.5",
-    "@zeit/ncc": "^0.22.1",
+    "@types/jest": "^26.0.14",
+    "@types/node": "^14.11.2",
+    "@vercel/ncc": "^0.24.1",
     "dotenv": "^8.2.0",
-    "jest": "^25.5.4",
-    "jest-circus": "^26.0.1",
-    "jest-runtime": "^26.0.1",
-    "prettier": "^2.0.5",
-    "removeNPMAbsolutePaths": "^2.0.0",
-    "ts-jest": "^25.5.0",
-    "typescript": "^3.8.3",
+    "jest": "^26.4.2",
+    "jest-circus": "^26.4.2",
+    "jest-runtime": "^26.4.2",
+    "prettier": "^2.1.2",
+    "tmp": "^0.2.1",
+    "ts-jest": "^26.4.1",
+    "typescript": "^4.0.3",
     "typescript-formatter": "^7.2.2"
   }
-}
+}

src/git.ts

@@ -11,7 +11,20 @@ const git = async (args: string[] = []): Promise<string> => {
 
 export async function getTag(): Promise<string> {
   try {
-    return await git(['describe', '--tags', '--abbrev=0']);
+    if ((process.env.GITHUB_REF || '').startsWith('refs/tags')) {
+      const tag = (process.env.GITHUB_REF || '').split('/').pop();
+      if (tag !== '' && tag !== undefined) {
+        return tag;
+      }
+    }
+    return await git(['tag', '--points-at', `${process.env.GITHUB_SHA}`, '--sort', '-version:creatordate']).then(
+      tags => {
+        if (tags.length == 0) {
+          return git(['describe', '--tags', '--abbrev=0']);
+        }
+        return tags.split('\n')[0];
+      }
+    );
   } catch (err) {
     return '';
   }

src/github.ts

@@ -1,4 +1,6 @@
 import * as httpm from '@actions/http-client';
+import * as core from '@actions/core';
+import * as semver from 'semver';
 
 export interface GitHubRelease {
   id: number;
@@ -6,7 +8,36 @@ export interface GitHubRelease {
 }
 
 export const getRelease = async (version: string): Promise<GitHubRelease | null> => {
-  const url: string = `https://github.com/goreleaser/goreleaser/releases/${version}`;
+  const resolvedVersion: string = (await resolveVersion(version)) || version;
+  const url: string = `https://github.com/goreleaser/goreleaser/releases/${resolvedVersion}`;
   const http: httpm.HttpClient = new httpm.HttpClient('goreleaser-action');
   return (await http.getJson<GitHubRelease>(url)).result;
 };
+
+const resolveVersion = async (version: string): Promise<string | null> => {
+  const allTags: Array<string> | null = await getAllTags();
+  if (!allTags) {
+    throw new Error(`Cannot find GoReleaser tags`);
+  }
+  core.debug(`Found ${allTags.length} tags in total`);
+
+  return semver.maxSatisfying(allTags, version);
+};
+
+interface GitHubTag {
+  tag_name: string;
+}
+
+const getAllTags = async (): Promise<Array<string>> => {
+  const http: httpm.HttpClient = new httpm.HttpClient('goreleaser-action');
+  const url: string = `https://goreleaser.com/static/releases.json`;
+  const getTags = http.getJson<Array<GitHubTag>>(url);
+
+  return getTags.then(response => {
+    if (response.result == null) {
+      return [];
+    }
+
+    return response.result.map(obj => obj.tag_name);
+  });
+};

src/main.ts

@@ -2,23 +2,35 @@ import * as git from './git';
 import * as installer from './installer';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
+import {dirname} from 'path';
 
 async function run(): Promise<void> {
   try {
     const version = core.getInput('version') || 'latest';
-    const args = core.getInput('args', {required: true});
+    const args = core.getInput('args');
     const workdir = core.getInput('workdir') || '.';
+    const isInstallOnly = /^true$/i.test(core.getInput('install-only'));
     const goreleaser = await installer.getGoReleaser(version);
+    core.info(`✅ GoReleaser installed successfully`);
 
-    const commit = await git.getShortCommit();
-    const tag = await git.getTag();
-    const isTagDirty = await git.isTagDirty(tag);
+    if (isInstallOnly) {
+      const goreleaserDir = dirname(goreleaser);
+      core.addPath(goreleaserDir);
+      core.debug(`Added ${goreleaserDir} to PATH`);
+      return;
+    } else if (!args) {
+      throw new Error('args input required');
+    }
 
     if (workdir && workdir !== '.') {
       core.info(`📂 Using ${workdir} as working directory...`);
       process.chdir(workdir);
     }
 
+    const commit = await git.getShortCommit();
+    const tag = await git.getTag();
+    const isTagDirty = await git.isTagDirty(tag);
+
     let snapshot = '';
     if (args.split(' ').indexOf('release') > -1) {
       if (isTagDirty) {
@@ -32,6 +44,7 @@ async function run(): Promise<void> {
     }
 
     core.info('🏃 Running GoReleaser...');
+    process.env.GORELEASER_CURRENT_TAG = tag;
     await exec.exec(`${goreleaser} ${args}${snapshot}`);
   } catch (error) {
     core.setFailed(error.message);

src/test_setup.ts

@@ -0,0 +1,9 @@
+import tmp = require('tmp');
+
+tmp.setGracefulCleanup();
+const tmpdir = tmp.dirSync({template: 'goreleaser-XXXXXX'});
+process.env = Object.assign(process.env, {
+  RUNNER_TEMP: tmpdir.name,
+  RUNNER_TOOL_CACHE: tmpdir.name,
+  GITHUB_ACTION: '1'
+});

tsconfig.json

@@ -3,7 +3,8 @@
     "target": "es6",
     "module": "commonjs",
     "lib": [
-      "es6"
+      "es6",
+      "dom"
     ],
     "newLine": "lf",
     "outDir": "./lib",