Update release tag to v0.1.2 (#12)

* Update release tag to v0.1.2

* Update release file path

* Update actions/checkout version in gh-release workflow

* Update pull_request types in gh-release.yaml

* Add gh-release-preview workflow

* Update actions/checkout version to v4

* Add actions-gh-release files

* Update GitHub Actions workflow

* Add GitHub Actions workflow for creating releases

* Add GitHub release action and related files

* Update GitHub Actions workflow for gh-release

* Add permissions for contents and issues

* Update permissions in gh-release-preview.yml

* Add GitHub App token for authentication

* Update GitHub Actions workflow and file permissions

* Remove commented out code in gh-release-preview.yml

.github/actions/gh-release/.gitattributes

@@ -0,0 +1 @@
+dist/** -diff linguist-generated=true 

.github/actions/gh-release/.gitignore

@@ -0,0 +1,101 @@
+# Dependency directory
+node_modules
+
+# Rest pulled from https://github.com/github/gitignore/blob/master/Node.gitignore
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# OS metadata
+.DS_Store
+Thumbs.db
+
+# Ignore built ts files
+__tests__/runner/*
+lib/**/*
+
+gh-release

.github/actions/gh-release/Dockerfile

@@ -0,0 +1,11 @@
+FROM golang:1.20.5-alpine3.18
+
+RUN apk update && apk add git
+
+COPY . /app
+
+RUN cd /app && \
+  go build -o /gh-release . && \
+  chmod +x /gh-release
+
+ENTRYPOINT ["/gh-release"]

.github/actions/gh-release/Makefile

@@ -0,0 +1,11 @@
+.PHONY: build
+build:
+	go build -o gh-release .
+
+.PHONY: test
+test:
+	go test ./...
+
+.PHONY: dep
+dep:
+	go mod tidy

.github/actions/gh-release/action.yaml

@@ -0,0 +1,29 @@
+name: 'Create GitHub Release'
+description: 'Create new releases when any specified RELEASE files were modified.'
+author: 'PipeCD team'
+branding:
+  icon: 'tag'
+  color: 'green'
+
+inputs:
+  release_file:
+    description: 'The path to the RELEASE file or pattern to match one or multiple RELEASE files.'
+    required: true
+  token:
+    description: 'The GITHUB_TOKEN secret.'
+    required: true
+  output_releases_file_path:
+    description: 'The path to output the list of releases formatted in JSON.'
+    required: false
+
+outputs:
+  releases:
+    description: 'The list of releases formatted in JSON.'
+
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - release-file=${{ inputs.release_file }}
+    - token=${{ inputs.token }}
+    - output-releases-file-path=${{ inputs.output_releases_file_path }}

.github/actions/gh-release/comment.go

@@ -0,0 +1,61 @@
+// Copyright 2024 The PipeCD Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+const (
+	successBadgeURL = `<!-- RELEASE -->
+[![RELEASE](https://img.shields.io/static/v1?label=GitHub&message=RELEASE&color=success&style=flat)](https://github.com/pipe-cd/actions-gh-release)
+
+`
+)
+
+func makeCommentBody(proposals []ReleaseProposal, exists []ReleaseProposal) string {
+	var b strings.Builder
+	b.WriteString(successBadgeURL)
+
+	if len(proposals) == 0 {
+		if len(exists) == 0 {
+			fmt.Fprintf(&b, "No GitHub releases will be created one this pull request got merged. Because this pull request did not modified any RELEASE files.\n")
+			return b.String()
+		}
+
+		fmt.Fprintf(&b, "No GitHub releases will be created one this pull request got merged. Because the following tags were already created before.\n")
+		for _, p := range exists {
+			fmt.Fprintf(&b, "- %s\n", p.Tag)
+		}
+		return b.String()
+	}
+
+	b.WriteString(fmt.Sprintf("The following %d GitHub releases will be created once this pull request got merged.\n", len(proposals)))
+	for _, p := range proposals {
+		fmt.Fprintf(&b, "\n")
+		fmt.Fprintf(&b, p.ReleaseNote)
+		fmt.Fprintf(&b, "\n")
+	}
+
+	if len(exists) > 0 {
+		fmt.Fprintf(&b, "The following %d releases will be skipped because they were already created before.\n", len(exists))
+		for _, p := range exists {
+			fmt.Fprintf(&b, "- %s\n", p.Tag)
+		}
+	}
+
+	return b.String()
+}

.github/actions/gh-release/comment_test.go

@@ -0,0 +1,67 @@
+// Copyright 2024 The PipeCD Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMakeCommentBody(t *testing.T) {
+	testcases := []struct {
+		name      string
+		proposals []ReleaseProposal
+		exists    []ReleaseProposal
+		expected  string
+	}{
+		{
+			name:     "no release",
+			expected: "testdata/no-release-comment.txt",
+		},
+		{
+			name: "one release",
+			proposals: []ReleaseProposal{
+				ReleaseProposal{
+					ReleaseNote: "Release note for tag 1",
+				},
+			},
+			expected: "testdata/one-release-comment.txt",
+		},
+		{
+			name: "multiple releases",
+			proposals: []ReleaseProposal{
+				ReleaseProposal{
+					ReleaseNote: "Release note for tag 1",
+				},
+				ReleaseProposal{
+					ReleaseNote: "Release note for tag 2",
+				},
+			},
+			expected: "testdata/multi-release-comment.txt",
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(tc.name, func(t *testing.T) {
+			got := makeCommentBody(tc.proposals, tc.exists)
+			expected, err := testdata.ReadFile(tc.expected)
+			require.NoError(t, err)
+
+			assert.Equal(t, string(expected), got)
+		})
+	}
+}