Merge pull request #1123 from mikepenz/feature/restructure_action

Refactor action and offer delayed changelog generation

.github/workflows/ci.yml

@@ -113,6 +113,19 @@ jobs:
         run: echo "CHANGELOG"
 
         # Showcases the capability to generate the changelog for an external repository provided
+        # Showcase ability to only fetch data first, and then continue with exported data later
+      - name: "External Repo Configuration Collect Report"
+        id: external_changelog_collect
+        uses: ./
+        with:
+          owner: "mikepenz"
+          repo: "MaterialDrawer"
+          fromTag: "v8.1.0"
+          toTag: "v8.1.6"
+          token: ${{ secrets.PERSONAL_TOKEN }}
+          exportCollected: true
+          exportOnly: true
+      
       - name: "External Repo Configuration"
         id: external_changelog
         uses: ./
@@ -120,14 +133,35 @@ jobs:
           configuration: "configs/configuration_complex.json"
           owner: "mikepenz"
           repo: "MaterialDrawer"
-          fromTag: "v8.1.0"
+
-          toTag: "v8.1.6"
+      - name: "External Repo Configuration Second"
-          token: ${{ secrets.PERSONAL_TOKEN }}
+        id: external_changelog_second
+        uses: ./
+        with:
+          configurationJson: |
+            {
+              "template": "#{{CHANGELOG}}",
+              "pr_template": "PR: ##{{NUMBER}}",
+              "categories": [
+                {
+                    "title": "## Everything",
+                    "labels": []
+                }
+              ]
+            }
+          owner: "mikepenz"
+          repo: "MaterialDrawer"
 
       - name: Echo External Repo Configuration Changelog
         env:
           CHANGELOG: ${{ steps.external_changelog.outputs.changelog }}
-        run: echo "$CHANGELOG"
+          CHANGELOG_SECOND: ${{ steps.external_changelog_second.outputs.changelog }}
+        run: |
+          echo "First:"
+          echo "$CHANGELOG"
+
+          echo "Second:"
+          echo "$CHANGELOG_SECOND"
 
   release:
     if: startsWith(github.ref, 'refs/tags/')

__tests__/releaseNotesBuilder.test.ts

@@ -19,7 +19,9 @@ it('Should match generated changelog (unspecified fromTag)', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -49,7 +51,9 @@ it('Should match generated changelog (unspecified tags)', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -74,7 +78,9 @@ it('Should use empty placeholder', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -99,7 +105,9 @@ it('Should fill empty placeholders', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -126,7 +134,9 @@ it('Should fill `template` placeholders', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -153,7 +163,9 @@ it('Should fill `template` placeholders, ignore', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -180,7 +192,9 @@ it('Uncategorized category', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false,
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -207,7 +221,9 @@ it('Verify commit based changelog', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    true,
+    true, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -234,7 +250,9 @@ it('Verify commit based changelog, with emoji categorisation', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    true,
+    true, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration
   )
 
@@ -261,7 +279,9 @@ it('Verify default inclusion of open PRs', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false, // commitMode
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration // configuration
   )
 
@@ -288,7 +308,9 @@ it('Verify custom categorisation of open PRs', async () => {
     false, // enable to fetch reviewers
     false, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false, // commitMode
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration // configuration
   )
 
@@ -315,7 +337,9 @@ it('Verify reviewers who approved are fetched and also release information', asy
     true, // enable to fetch reviewers
     true, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false, // commitMode
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration // configuration
   )
 
@@ -343,7 +367,9 @@ it('Fetch release information', async () => {
     false, // enable to fetch reviewers
     true, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false, // commitMode
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration // configuration
   )
 
@@ -369,7 +395,9 @@ it('Fetch release information for non existing tag / release', async () => {
     false, // enable to fetch reviewers
     true, // enable to fetch tag release information
     false, // enable to fetch reviews
-    false, // commitMode
+    false, // enable commitMode
+    false, // enable exportCollected
+    false, // enable exportOnly
     configuration // configuration
   )
 

__tests__/releaseNotesBuilderPull.test.ts

@@ -1,6 +1,7 @@
-import {ReleaseNotes} from '../src/releaseNotes'
 import {mergeConfiguration, resolveConfiguration} from '../src/utils'
+import {pullData} from '../src/releaseNotesBuilder'
 import {Octokit} from '@octokit/rest'
+import { buildChangelog } from '../src/transform'
 
 jest.setTimeout(180000)
 
@@ -11,7 +12,8 @@ const octokit = new Octokit({
 
 it('Should have empty changelog (tags)', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs/configuration.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+
+  const data = await pullData(octokit,  {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v0.0.1'},
@@ -23,16 +25,16 @@ it('Should have empty changelog (tags)', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual('- no changes')
 })
 
 it('Should match generated changelog (tags)', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs/configuration.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v0.0.1'},
@@ -44,9 +46,9 @@ it('Should match generated changelog (tags)', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`## 🧪 Tests
 
@@ -58,7 +60,7 @@ it('Should match generated changelog (tags)', async () => {
 
 it('Should match generated changelog (refs)', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_all_placeholders.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: '5ec7a2d86fe9f43fdd38d5e254a1117c8a51b4c3'},
@@ -70,9 +72,9 @@ it('Should match generated changelog (refs)', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`## 🧪 Tests
 
@@ -92,7 +94,7 @@ nhoelzl
 
 it('Should match generated changelog and replace all occurrences (refs)', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_replace_all_placeholders.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: '5ec7a2d86fe9f43fdd38d5e254a1117c8a51b4c3'},
@@ -104,9 +106,9 @@ it('Should match generated changelog and replace all occurrences (refs)', async
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`## 🧪 Tests
 
@@ -128,7 +130,7 @@ nhoelzl
 
 it('Should match ordered ASC', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_asc.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v0.3.0'},
@@ -140,16 +142,16 @@ it('Should match ordered ASC', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`## 🚀 Features\n\n22\n24\n25\n26\n28\n\n## 🐛 Fixes\n\n23\n\n`)
 })
 
 it('Should match ordered DESC', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_desc.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v0.3.0'},
@@ -161,16 +163,16 @@ it('Should match ordered DESC', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`## 🚀 Features\n\n28\n26\n25\n24\n22\n\n## 🐛 Fixes\n\n23\n\n`)
 })
 
 it('Should match ordered by title ASC', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_sort_title_asc.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v0.3.0'},
@@ -182,9 +184,9 @@ it('Should match ordered by title ASC', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(
     `## 🚀 Features\n\nEnhanced action logs\nImprove README\nImproved configuration failure handling\nImproved defaults if no configuration is provided\nIntroduce additional placeholders [milestone, labels, assignees, reviewers]\n\n## 🐛 Fixes\n\nImproved handling for non existing tags\n\n`
@@ -193,7 +195,7 @@ it('Should match ordered by title ASC', async () => {
 
 it('Should match ordered by title DESC', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_sort_title_desc.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v0.3.0'},
@@ -205,9 +207,9 @@ it('Should match ordered by title DESC', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(
     `## 🚀 Features\n\nIntroduce additional placeholders [milestone, labels, assignees, reviewers]\nImproved defaults if no configuration is provided\nImproved configuration failure handling\nImprove README\nEnhanced action logs\n\n## 🐛 Fixes\n\nImproved handling for non existing tags\n\n`
@@ -216,7 +218,7 @@ it('Should match ordered by title DESC', async () => {
 
 it('Should ignore PRs not merged into develop branch', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_base_branches_develop.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v1.3.1'},
@@ -228,16 +230,16 @@ it('Should ignore PRs not merged into develop branch', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`150\n\n`)
 })
 
 it('Should ignore PRs not merged into main branch', async () => {
   const configuration = mergeConfiguration(undefined, resolveConfiguration('', 'configs_test/configuration_base_branches_main.json'))
-  const releaseNotes = new ReleaseNotes(octokit, {
+  const data = await pullData(octokit, {
     owner: 'mikepenz',
     repo: 'release-changelog-builder-action',
     fromTag: {name: 'v1.3.1'},
@@ -249,9 +251,9 @@ it('Should ignore PRs not merged into main branch', async () => {
     fetchReviews: false,
     commitMode: false,
     configuration
-  })
+  }, false, false)
 
-  const changeLog = await releaseNotes.pull()
+  const changeLog = buildChangelog(data!.diffInfo, data!.mergedPullRequests, data!.options)
   console.log(changeLog)
   expect(changeLog).toStrictEqual(`153\n\n`)
 })

__tests__/transform.test.ts

@@ -39,7 +39,7 @@ mergedPullRequests.push(
     mergeCommitSha: 'sha1',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>(),
+    labels: [],
     milestone: '',
     body: 'no magic body1 for this matter',
     assignees: [],
@@ -57,7 +57,7 @@ mergedPullRequests.push(
     mergeCommitSha: 'sha1',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>(),
+    labels: [],
     milestone: '',
     body: 'no magic body2 for this matter',
     assignees: [],
@@ -75,7 +75,7 @@ mergedPullRequests.push(
     mergeCommitSha: 'sha1',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>(),
+    labels: [],
     milestone: '',
     body: 'no magic body3 for this matter',
     assignees: [],
@@ -93,7 +93,7 @@ mergedPullRequests.push(
     mergeCommitSha: 'sha1',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>(),
+    labels: [],
     milestone: '',
     body: 'no magic body4 for this matter',
     assignees: [],
@@ -113,7 +113,7 @@ const pullRequestWithLabelInBody: PullRequestInfo = {
   mergeCommitSha: 'sha1',
   author: 'Mike',
   repoName: 'test-repo',
-  labels: new Set<string>(),
+  labels: [],
   milestone: '',
   body: '[Issue][Feature][AB-1234321] - no magic body for this matter',
   assignees: [],
@@ -132,7 +132,7 @@ const openPullRequest: PullRequestInfo = {
   mergeCommitSha: 'sha1',
   author: 'Mike',
   repoName: 'test-repo',
-  labels: new Set<string>(),
+  labels: [],
   milestone: '',
   body: 'Some fancy body message',
   assignees: [],
@@ -246,7 +246,7 @@ pullRequestsWithLabels.push(
     mergeCommitSha: 'sha1-1',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>().add('feature'),
+    labels: ['feature'],
     milestone: '',
     body: 'no magic body for this matter',
     assignees: [],
@@ -264,7 +264,7 @@ pullRequestsWithLabels.push(
     mergeCommitSha: 'sha1-2',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>().add('issue').add('fix'),
+    labels: ['issue', 'fix'],
     milestone: '',
     body: 'no magic body for this matter',
     assignees: [],
@@ -282,7 +282,7 @@ pullRequestsWithLabels.push(
     mergeCommitSha: 'sha1-3',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>().add('issue').add('feature').add('fix'),
+    labels: ['issue', 'feature', 'fix'],
     milestone: '',
     body: 'no magic body for this matter',
     assignees: [],
@@ -300,7 +300,7 @@ pullRequestsWithLabels.push(
     mergeCommitSha: 'sha1-4',
     author: 'Mike',
     repoName: 'test-repo',
-    labels: new Set<string>().add(''),
+    labels: [''],
     milestone: '',
     body: 'no magic body for this matter',
     assignees: [],
@@ -322,7 +322,7 @@ openPullRequestsWithLabels.push(
   mergeCommitSha: 'sha1',
   author: 'Mike',
   repoName: 'test-repo',
-  labels: new Set<string>().add('feature'),
+  labels: ['feature'],
   milestone: '',
   body: 'Some fancy body message',
   assignees: [],
@@ -340,7 +340,7 @@ openPullRequestsWithLabels.push(
   mergeCommitSha: 'sha1',
   author: 'Mike',
   repoName: 'test-repo',
-  labels: new Set<string>().add('feature'),
+  labels: [],
   milestone: '',
   body: 'Some fancy body message',
   assignees: [],

action.yml

@@ -40,6 +40,12 @@ inputs:
   commitMode:
     description: 'Enables a `light` commit based mode. This mode generates changelogs based on the commits. Please note that this is not officially supported, and lacks a lot of features only possible with PRs.'
     default: "false"
+  exportCollected:
+    description: 'Enables the export of all collected PR information to an environment variable'
+    default: "false"
+  exportOnly:
+    description: 'If enabled, the action will only collect the data and terminate afterwards. Data can then be consumed by steps afterwards'
+    default: "false"
   outputFile:
     description: 'If defined, the changelog will get written to this file. (relative to the checkout dir)'
   token:

dist/index.js

@@ -45,6 +45,7 @@ Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.filterCommits = exports.Commits = exports.DefaultDiffInfo = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const moment_1 = __importDefault(__nccwpck_require__(9623));
+const utils_1 = __nccwpck_require__(918);
 exports.DefaultDiffInfo = {
     changedFiles: 0,
     additions: 0,
@@ -144,6 +145,59 @@ class Commits {
         });
         return commitsResult;
     }
+    getCommitHistory(options) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const { owner, repo, fromTag, toTag, failOnError } = options;
+            core.info(`ℹ️ Comparing ${owner}/${repo} - '${fromTag.name}...${toTag.name}'`);
+            const commitsApi = new Commits(this.octokit);
+            let diffInfo;
+            try {
+                diffInfo = yield commitsApi.getDiff(owner, repo, fromTag.name, toTag.name);
+            }
+            catch (error) {
+                (0, utils_1.failOrError)(`💥 Failed to retrieve - Invalid tag? - Because of: ${error}`, failOnError);
+                return exports.DefaultDiffInfo;
+            }
+            if (diffInfo.commitInfo.length === 0) {
+                core.warning(`⚠️ No commits found between - ${fromTag.name}...${toTag.name}`);
+                return exports.DefaultDiffInfo;
+            }
+            return diffInfo;
+        });
+    }
+    generateCommitPRs(options) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const { owner, repo, configuration } = options;
+            const diffInfo = yield this.getCommitHistory(options);
+            const commits = diffInfo.commitInfo;
+            if (commits.length === 0) {
+                return [diffInfo, []];
+            }
+            const prCommits = filterCommits(commits, configuration.exclude_merge_branches);
+            core.info(`ℹ️ Retrieved ${prCommits.length} commits for ${owner}/${repo}`);
+            const prs = prCommits.map(function (commit) {
+                return {
+                    number: 0,
+                    title: commit.summary,
+                    htmlURL: '',
+                    baseBranch: '',
+                    createdAt: commit.date,
+                    mergedAt: commit.date,
+                    mergeCommitSha: commit.sha,
+                    author: commit.author || '',
+                    repoName: '',
+                    labels: [],
+                    milestone: '',
+                    body: commit.message || '',
+                    assignees: [],
+                    requestedReviewers: [],
+                    approvedReviewers: [],
+                    status: 'merged'
+                };
+            });
+            return [diffInfo, prs];
+        });
+    }
 }
 exports.Commits = Commits;
 /**
@@ -433,7 +487,9 @@ function run() {
             const fetchReleaseInformation = core.getInput('fetchReleaseInformation') === 'true';
             const fetchReviews = core.getInput('fetchReviews') === 'true';
             const commitMode = core.getInput('commitMode') === 'true';
-            const result = yield new releaseNotesBuilder_1.ReleaseNotesBuilder(baseUrl, token, repositoryPath, owner, repo, fromTag, toTag, includeOpen, failOnError, ignorePreReleases, fetchReviewers, fetchReleaseInformation, fetchReviews, commitMode, configuration).build();
+            const exportCollected = core.getInput('exportCollected') === 'true';
+            const exportOnly = core.getInput('exportOnly') === 'true';
+            const result = yield new releaseNotesBuilder_1.ReleaseNotesBuilder(baseUrl, token, repositoryPath, owner, repo, fromTag, toTag, includeOpen, failOnError, ignorePreReleases, fetchReviewers, fetchReleaseInformation, fetchReviews, commitMode, exportCollected, exportOnly, configuration).build();
             core.setOutput('changelog', result);
             // write the result in changelog to file if possible
             const outputFile = core.getInput('outputFile');
@@ -503,6 +559,7 @@ Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.retrieveProperty = exports.compare = exports.sortPullRequests = exports.PullRequests = exports.EMPTY_COMMENT_INFO = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const moment_1 = __importDefault(__nccwpck_require__(9623));
+const commits_1 = __nccwpck_require__(3916);
 exports.EMPTY_COMMENT_INFO = {
     id: 0,
     htmlURL: '',
@@ -512,8 +569,9 @@ exports.EMPTY_COMMENT_INFO = {
     state: undefined
 };
 class PullRequests {
-    constructor(octokit) {
+    constructor(octokit, commits) {
         this.octokit = octokit;
+        this.commits = commits;
     }
     getSingle(owner, repo, prNumber) {
         return __awaiter(this, void 0, void 0, function* () {
@@ -662,6 +720,87 @@ class PullRequests {
             pr.reviews = prReviews;
         });
     }
+    getMergedPullRequests(options) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const { owner, repo, includeOpen, fetchReviewers, fetchReviews, configuration } = options;
+            const diffInfo = yield this.commits.getCommitHistory(options);
+            const commits = diffInfo.commitInfo;
+            if (commits.length === 0) {
+                return [diffInfo, []];
+            }
+            const firstCommit = commits[0];
+            const lastCommit = commits[commits.length - 1];
+            let fromDate = firstCommit.date;
+            const toDate = lastCommit.date;
+            const maxDays = configuration.max_back_track_time_days;
+            const maxFromDate = toDate.clone().subtract(maxDays, 'days');
+            if (maxFromDate.isAfter(fromDate)) {
+                core.info(`⚠️ Adjusted 'fromDate' to go max ${maxDays} back`);
+                fromDate = maxFromDate;
+            }
+            core.info(`ℹ️ Fetching PRs between dates ${fromDate.toISOString()} to ${toDate.toISOString()} for ${owner}/${repo}`);
+            const pullRequests = yield this.getBetweenDates(owner, repo, fromDate, toDate, configuration.max_pull_requests);
+            core.info(`ℹ️ Retrieved ${pullRequests.length} PRs for ${owner}/${repo} in date range from API`);
+            const prCommits = (0, commits_1.filterCommits)(commits, configuration.exclude_merge_branches);
+            core.info(`ℹ️ Retrieved ${prCommits.length} release commits for ${owner}/${repo}`);
+            // create array of commits for this release
+            const releaseCommitHashes = prCommits.map(commmit => {
+                return commmit.sha;
+            });
+            // filter out pull requests not associated with this release
+            const mergedPullRequests = pullRequests.filter(pr => {
+                return releaseCommitHashes.includes(pr.mergeCommitSha);
+            });
+            core.info(`ℹ️ Retrieved ${mergedPullRequests.length} merged PRs for ${owner}/${repo}`);
+            let allPullRequests = mergedPullRequests;
+            if (includeOpen) {
+                // retrieve all open pull requests
+                const openPullRequests = yield this.getOpen(owner, repo, configuration.max_pull_requests);
+                core.info(`ℹ️ Retrieved ${openPullRequests.length} open PRs for ${owner}/${repo}`);
+                // all pull requests
+                allPullRequests = allPullRequests.concat(openPullRequests);
+                core.info(`ℹ️ Retrieved ${allPullRequests.length} total PRs for ${owner}/${repo}`);
+            }
+            // retrieve base branches we allow
+            const baseBranches = configuration.base_branches;
+            const baseBranchPatterns = baseBranches.map(baseBranch => {
+                return new RegExp(baseBranch.replace('\\\\', '\\'), 'gu');
+            });
+            // return only prs if the baseBranch is matching the configuration
+            const finalPrs = allPullRequests.filter(pr => {
+                if (baseBranches.length !== 0) {
+                    return baseBranchPatterns.some(pattern => {
+                        return pr.baseBranch.match(pattern) !== null;
+                    });
+                }
+                return true;
+            });
+            if (baseBranches.length !== 0) {
+                core.info(`ℹ️ Retrieved ${finalPrs.length} PRs for ${owner}/${repo} filtered by the 'base_branches' configuration.`);
+            }
+            // fetch reviewers only if enabled (requires an additional API request per PR)
+            if (fetchReviews || fetchReviewers) {
+                core.info(`ℹ️ Fetching reviews (or reviewers) was enabled`);
+                // update PR information with reviewers who approved
+                for (const pr of finalPrs) {
+                    yield this.getReviews(owner, repo, pr);
+                    const reviews = pr.reviews;
+                    if (reviews && ((reviews === null || reviews === void 0 ? void 0 : reviews.length) || 0) > 0) {
+                        core.info(`ℹ️ Retrieved ${reviews.length || 0} review(s) for PR ${owner}/${repo}/#${pr.number}`);
+                        // backwards compatiblity
+                        pr.approvedReviewers = reviews.filter(r => r.state === 'APPROVED').map(r => r.author);
+                    }
+                    else {
+                        core.debug(`No reviewer(s) for PR ${owner}/${repo}/#${pr.number}`);
+                    }
+                }
+            }
+            else {
+                core.debug(`ℹ️ Fetching reviews (or reviewers) was disabled`);
+            }
+            return [diffInfo, finalPrs];
+        });
+    }
 }
 exports.PullRequests = PullRequests;
 function sortPrs(pullRequests) {
@@ -736,7 +875,7 @@ function retrieveProperty(pr, property, useCase) {
 exports.retrieveProperty = retrieveProperty;
 // helper function to add a special open label to prs not merged.
 function attachSpeciaLabels(status, labels) {
-    labels.add(`--rcba-${status}`);
+    labels.push(`--rcba-${status}`);
     return labels;
 }
 const mapPullRequest = (pr, status = 'open') => {
@@ -752,7 +891,7 @@ const mapPullRequest = (pr, status = 'open') => {
         mergeCommitSha: pr.merge_commit_sha || '',
         author: ((_a = pr.user) === null || _a === void 0 ? void 0 : _a.login) || '',
         repoName: pr.base.repo.full_name,
-        labels: attachSpeciaLabels(status, new Set(((_b = pr.labels) === null || _b === void 0 ? void 0 : _b.map(lbl => { var _a; return ((_a = lbl.name) === null || _a === void 0 ? void 0 : _a.toLocaleLowerCase('en')) || ''; })) || [])),
+        labels: attachSpeciaLabels(status, ((_b = pr.labels) === null || _b === void 0 ? void 0 : _b.map(lbl => { var _a; return ((_a = lbl.name) === null || _a === void 0 ? void 0 : _a.toLocaleLowerCase('en')) || ''; })) || []),
         milestone: ((_c = pr.milestone) === null || _c === void 0 ? void 0 : _c.title) || '',
         body: pr.body || '',
         assignees: ((_d = pr.assignees) === null || _d === void 0 ? void 0 : _d.map(asignee => (asignee === null || asignee === void 0 ? void 0 : asignee.login) || '')) || [],
@@ -900,236 +1039,6 @@ function buildRegex(regex, target, onProperty, method, onEmpty) {
 exports.buildRegex = buildRegex;
 
 
-/***/ }),
-
-/***/ 5882:
-/***/ (function(__unused_webpack_module, exports, __nccwpck_require__) {
-
-"use strict";
-
-var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    var desc = Object.getOwnPropertyDescriptor(m, k);
-    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
-      desc = { enumerable: true, get: function() { return m[k]; } };
-    }
-    Object.defineProperty(o, k2, desc);
-}) : (function(o, m, k, k2) {
-    if (k2 === undefined) k2 = k;
-    o[k2] = m[k];
-}));
-var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
-    Object.defineProperty(o, "default", { enumerable: true, value: v });
-}) : function(o, v) {
-    o["default"] = v;
-});
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
-    __setModuleDefault(result, mod);
-    return result;
-};
-var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
-    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
-    return new (P || (P = Promise))(function (resolve, reject) {
-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
-        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
-        step((generator = generator.apply(thisArg, _arguments || [])).next());
-    });
-};
-Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.ReleaseNotes = void 0;
-const core = __importStar(__nccwpck_require__(2186));
-const commits_1 = __nccwpck_require__(3916);
-const pullRequests_1 = __nccwpck_require__(4217);
-const transform_1 = __nccwpck_require__(1644);
-const utils_1 = __nccwpck_require__(918);
-class ReleaseNotes {
-    constructor(octokit, options) {
-        this.octokit = octokit;
-        this.options = options;
-    }
-    pull() {
-        return __awaiter(this, void 0, void 0, function* () {
-            let mergedPullRequests;
-            let diffInfo;
-            if (!this.options.commitMode) {
-                core.startGroup(`🚀 Load pull requests`);
-                const [info, prs] = yield this.getMergedPullRequests(this.octokit);
-                mergedPullRequests = prs;
-                diffInfo = info;
-                // define the included PRs within this release as output
-                core.setOutput('pull_requests', mergedPullRequests
-                    .map(pr => {
-                    return pr.number;
-                })
-                    .join(','));
-                core.endGroup();
-            }
-            else {
-                core.startGroup(`🚀 Load commit history`);
-                core.info(`⚠️ Executing experimental commit mode`);
-                const [info, prs] = yield this.generateCommitPRs(this.octokit);
-                mergedPullRequests = prs;
-                diffInfo = info;
-                core.endGroup();
-            }
-            core.setOutput('changed_files', diffInfo.changedFiles);
-            core.setOutput('additions', diffInfo.additions);
-            core.setOutput('deletions', diffInfo.deletions);
-            core.setOutput('changes', diffInfo.changes);
-            core.setOutput('commits', diffInfo.commits);
-            if (mergedPullRequests.length === 0) {
-                core.warning(`⚠️ No pull requests found`);
-                return (0, transform_1.replaceEmptyTemplate)(this.options.configuration.empty_template, this.options);
-            }
-            core.startGroup('📦 Build changelog');
-            const resultChangelog = (0, transform_1.buildChangelog)(diffInfo, mergedPullRequests, this.options);
-            core.endGroup();
-            return resultChangelog;
-        });
-    }
-    getCommitHistory(octokit) {
-        return __awaiter(this, void 0, void 0, function* () {
-            const { owner, repo, fromTag, toTag, failOnError } = this.options;
-            core.info(`ℹ️ Comparing ${owner}/${repo} - '${fromTag.name}...${toTag.name}'`);
-            const commitsApi = new commits_1.Commits(octokit);
-            let diffInfo;
-            try {
-                diffInfo = yield commitsApi.getDiff(owner, repo, fromTag.name, toTag.name);
-            }
-            catch (error) {
-                (0, utils_1.failOrError)(`💥 Failed to retrieve - Invalid tag? - Because of: ${error}`, failOnError);
-                return commits_1.DefaultDiffInfo;
-            }
-            if (diffInfo.commitInfo.length === 0) {
-                core.warning(`⚠️ No commits found between - ${fromTag.name}...${toTag.name}`);
-                return commits_1.DefaultDiffInfo;
-            }
-            return diffInfo;
-        });
-    }
-    getMergedPullRequests(octokit) {
-        return __awaiter(this, void 0, void 0, function* () {
-            const { owner, repo, includeOpen, fetchReviewers, fetchReviews, configuration } = this.options;
-            const diffInfo = yield this.getCommitHistory(octokit);
-            const commits = diffInfo.commitInfo;
-            if (commits.length === 0) {
-                return [diffInfo, []];
-            }
-            const firstCommit = commits[0];
-            const lastCommit = commits[commits.length - 1];
-            let fromDate = firstCommit.date;
-            const toDate = lastCommit.date;
-            const maxDays = configuration.max_back_track_time_days;
-            const maxFromDate = toDate.clone().subtract(maxDays, 'days');
-            if (maxFromDate.isAfter(fromDate)) {
-                core.info(`⚠️ Adjusted 'fromDate' to go max ${maxDays} back`);
-                fromDate = maxFromDate;
-            }
-            core.info(`ℹ️ Fetching PRs between dates ${fromDate.toISOString()} to ${toDate.toISOString()} for ${owner}/${repo}`);
-            const pullRequestsApi = new pullRequests_1.PullRequests(octokit);
-            const pullRequests = yield pullRequestsApi.getBetweenDates(owner, repo, fromDate, toDate, configuration.max_pull_requests);
-            core.info(`ℹ️ Retrieved ${pullRequests.length} PRs for ${owner}/${repo} in date range from API`);
-            const prCommits = (0, commits_1.filterCommits)(commits, configuration.exclude_merge_branches);
-            core.info(`ℹ️ Retrieved ${prCommits.length} release commits for ${owner}/${repo}`);
-            // create array of commits for this release
-            const releaseCommitHashes = prCommits.map(commmit => {
-                return commmit.sha;
-            });
-            // filter out pull requests not associated with this release
-            const mergedPullRequests = pullRequests.filter(pr => {
-                return releaseCommitHashes.includes(pr.mergeCommitSha);
-            });
-            core.info(`ℹ️ Retrieved ${mergedPullRequests.length} merged PRs for ${owner}/${repo}`);
-            let allPullRequests = mergedPullRequests;
-            if (includeOpen) {
-                // retrieve all open pull requests
-                const openPullRequests = yield pullRequestsApi.getOpen(owner, repo, configuration.max_pull_requests);
-                core.info(`ℹ️ Retrieved ${openPullRequests.length} open PRs for ${owner}/${repo}`);
-                // all pull requests
-                allPullRequests = allPullRequests.concat(openPullRequests);
-                core.info(`ℹ️ Retrieved ${allPullRequests.length} total PRs for ${owner}/${repo}`);
-            }
-            // retrieve base branches we allow
-            const baseBranches = configuration.base_branches;
-            const baseBranchPatterns = baseBranches.map(baseBranch => {
-                return new RegExp(baseBranch.replace('\\\\', '\\'), 'gu');
-            });
-            // return only prs if the baseBranch is matching the configuration
-            const finalPrs = allPullRequests.filter(pr => {
-                if (baseBranches.length !== 0) {
-                    return baseBranchPatterns.some(pattern => {
-                        return pr.baseBranch.match(pattern) !== null;
-                    });
-                }
-                return true;
-            });
-            if (baseBranches.length !== 0) {
-                core.info(`ℹ️ Retrieved ${finalPrs.length} PRs for ${owner}/${repo} filtered by the 'base_branches' configuration.`);
-            }
-            // fetch reviewers only if enabled (requires an additional API request per PR)
-            if (fetchReviews || fetchReviewers) {
-                core.info(`ℹ️ Fetching reviews (or reviewers) was enabled`);
-                // update PR information with reviewers who approved
-                for (const pr of finalPrs) {
-                    yield pullRequestsApi.getReviews(owner, repo, pr);
-                    const reviews = pr.reviews;
-                    if (reviews && ((reviews === null || reviews === void 0 ? void 0 : reviews.length) || 0) > 0) {
-                        core.info(`ℹ️ Retrieved ${reviews.length || 0} review(s) for PR ${owner}/${repo}/#${pr.number}`);
-                        // backwards compatiblity
-                        pr.approvedReviewers = reviews.filter(r => r.state === 'APPROVED').map(r => r.author);
-                    }
-                    else {
-                        core.debug(`No reviewer(s) for PR ${owner}/${repo}/#${pr.number}`);
-                    }
-                }
-            }
-            else {
-                core.debug(`ℹ️ Fetching reviews (or reviewers) was disabled`);
-            }
-            return [diffInfo, finalPrs];
-        });
-    }
-    generateCommitPRs(octokit) {
-        return __awaiter(this, void 0, void 0, function* () {
-            const { owner, repo, configuration } = this.options;
-            const diffInfo = yield this.getCommitHistory(octokit);
-            const commits = diffInfo.commitInfo;
-            if (commits.length === 0) {
-                return [diffInfo, []];
-            }
-            const prCommits = (0, commits_1.filterCommits)(commits, configuration.exclude_merge_branches);
-            core.info(`ℹ️ Retrieved ${prCommits.length} commits for ${owner}/${repo}`);
-            const prs = prCommits.map(function (commit) {
-                return {
-                    number: 0,
-                    title: commit.summary,
-                    htmlURL: '',
-                    baseBranch: '',
-                    createdAt: commit.date,
-                    mergedAt: commit.date,
-                    mergeCommitSha: commit.sha,
-                    author: commit.author || '',
-                    repoName: '',
-                    labels: new Set(),
-                    milestone: '',
-                    body: commit.message || '',
-                    assignees: [],
-                    requestedReviewers: [],
-                    approvedReviewers: [],
-                    status: 'merged'
-                };
-            });
-            return [diffInfo, prs];
-        });
-    }
-}
-exports.ReleaseNotes = ReleaseNotes;
-
-
 /***/ }),
 
 /***/ 4883:
@@ -1170,15 +1079,17 @@ var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, ge
     });
 };
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.ReleaseNotesBuilder = void 0;
+exports.pullData = exports.ReleaseNotesBuilder = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const rest_1 = __nccwpck_require__(5375);
-const releaseNotes_1 = __nccwpck_require__(5882);
 const tags_1 = __nccwpck_require__(7532);
 const utils_1 = __nccwpck_require__(918);
 const https_proxy_agent_1 = __nccwpck_require__(7219);
+const pullRequests_1 = __nccwpck_require__(4217);
+const commits_1 = __nccwpck_require__(3916);
+const transform_1 = __nccwpck_require__(1644);
 class ReleaseNotesBuilder {
-    constructor(baseUrl, token, repositoryPath, owner, repo, fromTag, toTag, includeOpen = false, failOnError, ignorePreReleases, fetchReviewers = false, fetchReleaseInformation = false, fetchReviews = false, commitMode, configuration) {
+    constructor(baseUrl, token, repositoryPath, owner, repo, fromTag, toTag, includeOpen = false, failOnError, ignorePreReleases, fetchReviewers = false, fetchReleaseInformation = false, fetchReviews = false, commitMode = false, exportCollected = false, exportOnly = false, configuration) {
         this.baseUrl = baseUrl;
         this.token = token;
         this.repositoryPath = repositoryPath;
@@ -1193,10 +1104,14 @@ class ReleaseNotesBuilder {
         this.fetchReleaseInformation = fetchReleaseInformation;
         this.fetchReviews = fetchReviews;
         this.commitMode = commitMode;
+        this.exportCollected = exportCollected;
+        this.exportOnly = exportOnly;
         this.configuration = configuration;
     }
     build() {
         return __awaiter(this, void 0, void 0, function* () {
+            let releaseNotesData = (0, utils_1.checkExportedData)();
+            if (releaseNotesData == null) {
                 if (!this.owner) {
                     (0, utils_1.failOrError)(`💥 Missing or couldn't resolve 'owner'`, this.failOnError);
                     return null;
@@ -1278,12 +1193,105 @@ class ReleaseNotesBuilder {
                     commitMode: this.commitMode,
                     configuration: this.configuration
                 };
-            const releaseNotes = new releaseNotes_1.ReleaseNotes(octokit, options);
+                releaseNotesData = yield pullData(octokit, options, this.exportCollected, this.exportOnly);
-            return yield releaseNotes.pull();
+            }
+            else {
+                core.info(`ℹ️ Retrieved previously exported collected data`);
+                // merge input with options (in case some data was updated)
+                const diffInfo = releaseNotesData.diffInfo;
+                const mergedPullRequests = releaseNotesData.mergedPullRequests;
+                const orgOptions = releaseNotesData.options;
+                // merge fromTag info with provided info || otherwise use cached info
+                const fromTag = orgOptions.fromTag;
+                if (this.fromTag != null) {
+                    fromTag.name = this.fromTag;
+                }
+                const toTag = orgOptions.toTag;
+                if (this.toTag != null) {
+                    toTag.name = this.toTag;
+                }
+                // merge provided values with previous options (prefer provided)
+                const options = {
+                    owner: this.owner || orgOptions.owner,
+                    repo: this.repo || orgOptions.repo,
+                    fromTag,
+                    toTag,
+                    includeOpen: this.includeOpen || orgOptions.includeOpen,
+                    failOnError: this.failOnError || orgOptions.failOnError,
+                    fetchReviewers: this.fetchReviewers || orgOptions.fetchReviewers,
+                    fetchReleaseInformation: this.fetchReleaseInformation || orgOptions.fetchReleaseInformation,
+                    fetchReviews: this.fetchReviews || orgOptions.fetchReviews,
+                    commitMode: this.commitMode || orgOptions.commitMode,
+                    configuration: this.configuration || orgOptions.configuration
+                };
+                releaseNotesData = {
+                    diffInfo,
+                    mergedPullRequests,
+                    options
+                };
+            }
+            if (releaseNotesData != null) {
+                return (0, transform_1.buildChangelog)(releaseNotesData.diffInfo, releaseNotesData.mergedPullRequests, releaseNotesData.options);
+            }
+            else {
+                return null;
+            }
         });
     }
 }
 exports.ReleaseNotesBuilder = ReleaseNotesBuilder;
+function pullData(octokit, options, exportCollected, exportOnly) {
+    return __awaiter(this, void 0, void 0, function* () {
+        let mergedPullRequests;
+        let diffInfo;
+        const commitsApi = new commits_1.Commits(octokit);
+        if (!options.commitMode) {
+            core.startGroup(`🚀 Load pull requests`);
+            const pullRequestsApi = new pullRequests_1.PullRequests(octokit, commitsApi);
+            const [info, prs] = yield pullRequestsApi.getMergedPullRequests(options);
+            mergedPullRequests = prs;
+            diffInfo = info;
+        }
+        else {
+            core.startGroup(`🚀 Load commit history`);
+            core.info(`⚠️ Executing experimental commit mode`);
+            const [info, prs] = yield commitsApi.generateCommitPRs(options);
+            mergedPullRequests = prs;
+            diffInfo = info;
+        }
+        // define the included PRs within this release as output
+        core.setOutput('pull_requests', mergedPullRequests
+            .map(pr => {
+            return pr.number;
+        })
+            .join(','));
+        core.setOutput('changed_files', diffInfo.changedFiles);
+        core.setOutput('additions', diffInfo.additions);
+        core.setOutput('deletions', diffInfo.deletions);
+        core.setOutput('changes', diffInfo.changes);
+        core.setOutput('commits', diffInfo.commits);
+        if (exportCollected) {
+            core.info('📦 Exporting collected data');
+            core.exportVariable(`RCBA_EXPORT_diffInfo`, JSON.stringify(diffInfo));
+            //fs.writeFileSync(path.resolve('diffInfo.json'), JSON.stringify(diffInfo))
+            core.exportVariable(`RCBA_EXPORT_mergedPullRequests`, JSON.stringify(mergedPullRequests));
+            //fs.writeFileSync(path.resolve('mergedPullRequests.json'), JSON.stringify(mergedPullRequests))
+            core.exportVariable(`RCBA_EXPORT_options`, JSON.stringify(options));
+            //fs.writeFileSync(path.resolve('options.json'), JSON.stringify(options))
+            if (exportOnly) {
+                core.endGroup();
+                return null;
+            }
+        }
+        core.endGroup();
+        return {
+            diffInfo,
+            mergedPullRequests,
+            options
+        };
+    });
+}
+exports.pullData = pullData;
 
 
 /***/ }),
@@ -1687,6 +1695,13 @@ const utils_1 = __nccwpck_require__(918);
 const regexUtils_1 = __nccwpck_require__(2364);
 const EMPTY_MAP = new Map();
 function buildChangelog(diffInfo, prs, options) {
+    core.startGroup('📦 Build changelog');
+    if (prs.length === 0) {
+        core.warning(`⚠️ No pull requests found`);
+        const result = replaceEmptyTemplate(options.configuration.empty_template, options);
+        core.endGroup();
+        return result;
+    }
     // sort to target order
     const config = options.configuration;
     const sort = config.sort;
@@ -1726,7 +1741,7 @@ function buildChangelog(diffInfo, prs, options) {
             const extracted = extractValues(pr, extractor, 'label_extractor');
             if (extracted !== null) {
                 for (const label of extracted) {
-                    pr.labels.add(label);
+                    pr.labels.push(label);
                 }
                 if (core.isDebug()) {
                     core.debug(`    Extracted the following labels (${JSON.stringify(extracted)}) for PR ${pr.number}`);
@@ -1761,7 +1776,7 @@ function buildChangelog(diffInfo, prs, options) {
     const uncategorizedPrs = [];
     // bring elements in order
     for (const [pr, body] of transformedMap) {
-        if ((0, utils_1.haveCommonElements)(ignoredLabels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels)) {
+        if ((0, utils_1.haveCommonElementsArr)(ignoredLabels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels)) {
             ignoredPrs.push(body);
             continue;
         }
@@ -1773,7 +1788,7 @@ function buildChangelog(diffInfo, prs, options) {
             let matched = false; // check if we matched within the given category
             // check if any exclude label matches
             if (category.exclude_labels !== undefined) {
-                if ((0, utils_1.haveCommonElements)(category.exclude_labels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels)) {
+                if ((0, utils_1.haveCommonElementsArr)(category.exclude_labels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels)) {
                     if (core.isDebug()) {
                         const excludeLabels = JSON.stringify(category.exclude_labels);
                         core.debug(`    PR ${pr.number} with labels: ${pr.labels} excluded from category via exclude label: ${excludeLabels}`);
@@ -1785,7 +1800,7 @@ function buildChangelog(diffInfo, prs, options) {
             // validate for an exhaustive match (e.g. every provided rule applies)
             if (category.exhaustive === true && (category.labels !== undefined || category.rules !== undefined)) {
                 if (category.labels !== undefined) {
-                    matched = (0, utils_1.haveEveryElements)(category.labels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels);
+                    matched = (0, utils_1.haveEveryElementsArr)(category.labels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels);
                 }
                 let exhaustive_rules = true;
                 if (category.exhaustive_rules !== undefined) {
@@ -1799,7 +1814,7 @@ function buildChangelog(diffInfo, prs, options) {
                 // if not exhaustive, do individual matches
                 if (category.labels !== undefined) {
                     // check if either any of the labels applies
-                    matched = (0, utils_1.haveCommonElements)(category.labels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels);
+                    matched = (0, utils_1.haveCommonElementsArr)(category.labels.map(lbl => lbl.toLocaleLowerCase('en')), pr.labels);
                 }
                 let exhaustive_rules = false;
                 if (category.exhaustive_rules !== undefined) {
@@ -1916,6 +1931,7 @@ function buildChangelog(diffInfo, prs, options) {
     transformedChangelog = replacePrPlaceholders(transformedChangelog, placeholderPrMap, config);
     transformedChangelog = cleanupPrPlaceholders(transformedChangelog, placeholders);
     core.info(`ℹ️ Filled template`);
+    core.endGroup();
     return transformedChangelog;
 }
 exports.buildChangelog = buildChangelog;
@@ -2145,12 +2161,16 @@ var __importStar = (this && this.__importStar) || function (mod) {
     __setModuleDefault(result, mod);
     return result;
 };
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
 Object.defineProperty(exports, "__esModule", ({ value: true }));
-exports.haveEveryElements = exports.haveCommonElements = exports.createOrSet = exports.writeOutput = exports.directoryExistsSync = exports.mergeConfiguration = exports.parseConfiguration = exports.resolveConfiguration = exports.failOrError = exports.retrieveRepositoryPath = void 0;
+exports.haveEveryElementsArr = exports.haveEveryElements = exports.haveCommonElementsArr = exports.haveCommonElements = exports.createOrSet = exports.writeOutput = exports.directoryExistsSync = exports.mergeConfiguration = exports.parseConfiguration = exports.resolveConfiguration = exports.checkExportedData = exports.failOrError = exports.retrieveRepositoryPath = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const fs = __importStar(__nccwpck_require__(7147));
 const path = __importStar(__nccwpck_require__(1017));
 const configuration_1 = __nccwpck_require__(5527);
+const moment_1 = __importDefault(__nccwpck_require__(9623));
 /**
  * Resolves the repository path, relatively to the GITHUB_WORKSPACE
  */
@@ -2181,6 +2201,42 @@ function failOrError(message, failOnError) {
     }
 }
 exports.failOrError = failOrError;
+/**
+ * Retrieves the exported information from a previous run of the `release-changelog-builder-action`.
+ * If available, return a [ReleaseNotesData].
+ */
+function checkExportedData() {
+    const rawDiffInfo = process.env[`RCBA_EXPORT_diffInfo`];
+    const rawMergedPullRequests = process.env[`RCBA_EXPORT_mergedPullRequests`];
+    const rawOptions = process.env[`RCBA_EXPORT_options`];
+    if (rawDiffInfo && rawMergedPullRequests && rawOptions) {
+        const diffInfo = JSON.parse(rawDiffInfo);
+        const mergedPullRequests = JSON.parse(rawMergedPullRequests);
+        for (const pr of mergedPullRequests) {
+            pr.createdAt = (0, moment_1.default)(pr.createdAt);
+            if (pr.mergedAt) {
+                pr.mergedAt = (0, moment_1.default)(pr.mergedAt);
+            }
+            if (pr.reviews) {
+                for (const review of pr.reviews) {
+                    if (review.submittedAt) {
+                        review.submittedAt = (0, moment_1.default)(review.submittedAt);
+                    }
+                }
+            }
+        }
+        const options = JSON.parse(rawOptions);
+        return {
+            diffInfo,
+            mergedPullRequests,
+            options
+        };
+    }
+    else {
+        return null;
+    }
+}
+exports.checkExportedData = checkExportedData;
 /**
  * Retrieves the configuration given the file path, if not found it will fallback to the `DefaultConfiguration`
  */
@@ -2322,10 +2378,18 @@ function haveCommonElements(arr1, arr2) {
     return arr1.some(item => arr2.has(item));
 }
 exports.haveCommonElements = haveCommonElements;
+function haveCommonElementsArr(arr1, arr2) {
+    return haveCommonElements(arr1, new Set(arr2));
+}
+exports.haveCommonElementsArr = haveCommonElementsArr;
 function haveEveryElements(arr1, arr2) {
     return arr1.every(item => arr2.has(item));
 }
 exports.haveEveryElements = haveEveryElements;
+function haveEveryElementsArr(arr1, arr2) {
+    return haveEveryElements(arr1, new Set(arr2));
+}
+exports.haveEveryElementsArr = haveEveryElementsArr;
 
 
 /***/ }),

src/commits.ts

@@ -1,6 +1,9 @@
 import * as core from '@actions/core'
 import {Octokit, RestEndpointMethodTypes} from '@octokit/rest'
 import moment from 'moment'
+import {failOrError} from './utils'
+import {ReleaseNotesOptions} from './releaseNotesBuilder'
+import {PullRequestInfo} from './pullRequests'
 
 export interface DiffInfo {
   changedFiles: number
@@ -117,6 +120,62 @@ export class Commits {
 
     return commitsResult
   }
+
+  async getCommitHistory(options: ReleaseNotesOptions): Promise<DiffInfo> {
+    const {owner, repo, fromTag, toTag, failOnError} = options
+    core.info(`ℹ️ Comparing ${owner}/${repo} - '${fromTag.name}...${toTag.name}'`)
+
+    const commitsApi = new Commits(this.octokit)
+    let diffInfo: DiffInfo
+    try {
+      diffInfo = await commitsApi.getDiff(owner, repo, fromTag.name, toTag.name)
+    } catch (error) {
+      failOrError(`💥 Failed to retrieve - Invalid tag? - Because of: ${error}`, failOnError)
+      return DefaultDiffInfo
+    }
+    if (diffInfo.commitInfo.length === 0) {
+      core.warning(`⚠️ No commits found between - ${fromTag.name}...${toTag.name}`)
+      return DefaultDiffInfo
+    }
+
+    return diffInfo
+  }
+
+  async generateCommitPRs(options: ReleaseNotesOptions): Promise<[DiffInfo, PullRequestInfo[]]> {
+    const {owner, repo, configuration} = options
+
+    const diffInfo = await this.getCommitHistory(options)
+    const commits = diffInfo.commitInfo
+    if (commits.length === 0) {
+      return [diffInfo, []]
+    }
+
+    const prCommits = filterCommits(commits, configuration.exclude_merge_branches)
+
+    core.info(`ℹ️ Retrieved ${prCommits.length} commits for ${owner}/${repo}`)
+
+    const prs = prCommits.map(function (commit): PullRequestInfo {
+      return {
+        number: 0,
+        title: commit.summary,
+        htmlURL: '',
+        baseBranch: '',
+        createdAt: commit.date,
+        mergedAt: commit.date,
+        mergeCommitSha: commit.sha,
+        author: commit.author || '',
+        repoName: '',
+        labels: [],
+        milestone: '',
+        body: commit.message || '',
+        assignees: [],
+        requestedReviewers: [],
+        approvedReviewers: [],
+        status: 'merged'
+      }
+    })
+    return [diffInfo, prs]
+  }
 }
 
 /**

src/main.ts

@@ -54,6 +54,8 @@ async function run(): Promise<void> {
     const fetchReleaseInformation = core.getInput('fetchReleaseInformation') === 'true'
     const fetchReviews = core.getInput('fetchReviews') === 'true'
     const commitMode = core.getInput('commitMode') === 'true'
+    const exportCollected = core.getInput('exportCollected') === 'true'
+    const exportOnly = core.getInput('exportOnly') === 'true'
 
     const result = await new ReleaseNotesBuilder(
       baseUrl,
@@ -70,6 +72,8 @@ async function run(): Promise<void> {
       fetchReleaseInformation,
       fetchReviews,
       commitMode,
+      exportCollected,
+      exportOnly,
       configuration
     ).build()
 

src/pullRequests.ts

@@ -3,6 +3,8 @@ import {Octokit, RestEndpointMethodTypes} from '@octokit/rest'
 import {Unpacked} from './utils'
 import moment from 'moment'
 import {Property, Sort} from './configuration'
+import {Commits, DiffInfo, filterCommits} from './commits'
+import {ReleaseNotesOptions} from './releaseNotesBuilder'
 
 export interface PullRequestInfo {
   number: number
@@ -15,7 +17,7 @@ export interface PullRequestInfo {
   mergeCommitSha: string
   author: string
   repoName: string
-  labels: Set<string>
+  labels: string[]
   milestone: string
   body: string
   assignees: string[]
@@ -50,7 +52,7 @@ type PullsListData = RestEndpointMethodTypes['pulls']['list']['response']['data'
 type PullReviewsData = RestEndpointMethodTypes['pulls']['listReviews']['response']['data']
 
 export class PullRequests {
-  constructor(private octokit: Octokit) {}
+  constructor(private octokit: Octokit, private commits: Commits) {}
 
   async getSingle(owner: string, repo: string, prNumber: number): Promise<PullRequestInfo | null> {
     try {
@@ -159,6 +161,106 @@ export class PullRequests {
     }
     pr.reviews = prReviews
   }
+
+  async getMergedPullRequests(options: ReleaseNotesOptions): Promise<[DiffInfo, PullRequestInfo[]]> {
+    const {owner, repo, includeOpen, fetchReviewers, fetchReviews, configuration} = options
+
+    const diffInfo = await this.commits.getCommitHistory(options)
+    const commits = diffInfo.commitInfo
+    if (commits.length === 0) {
+      return [diffInfo, []]
+    }
+
+    const firstCommit = commits[0]
+    const lastCommit = commits[commits.length - 1]
+    let fromDate = firstCommit.date
+    const toDate = lastCommit.date
+
+    const maxDays = configuration.max_back_track_time_days
+    const maxFromDate = toDate.clone().subtract(maxDays, 'days')
+    if (maxFromDate.isAfter(fromDate)) {
+      core.info(`⚠️ Adjusted 'fromDate' to go max ${maxDays} back`)
+      fromDate = maxFromDate
+    }
+
+    core.info(`ℹ️ Fetching PRs between dates ${fromDate.toISOString()} to ${toDate.toISOString()} for ${owner}/${repo}`)
+
+    const pullRequests = await this.getBetweenDates(owner, repo, fromDate, toDate, configuration.max_pull_requests)
+
+    core.info(`ℹ️ Retrieved ${pullRequests.length} PRs for ${owner}/${repo} in date range from API`)
+
+    const prCommits = filterCommits(commits, configuration.exclude_merge_branches)
+
+    core.info(`ℹ️ Retrieved ${prCommits.length} release commits for ${owner}/${repo}`)
+
+    // create array of commits for this release
+    const releaseCommitHashes = prCommits.map(commmit => {
+      return commmit.sha
+    })
+
+    // filter out pull requests not associated with this release
+    const mergedPullRequests = pullRequests.filter(pr => {
+      return releaseCommitHashes.includes(pr.mergeCommitSha)
+    })
+
+    core.info(`ℹ️ Retrieved ${mergedPullRequests.length} merged PRs for ${owner}/${repo}`)
+
+    let allPullRequests = mergedPullRequests
+    if (includeOpen) {
+      // retrieve all open pull requests
+      const openPullRequests = await this.getOpen(owner, repo, configuration.max_pull_requests)
+
+      core.info(`ℹ️ Retrieved ${openPullRequests.length} open PRs for ${owner}/${repo}`)
+
+      // all pull requests
+      allPullRequests = allPullRequests.concat(openPullRequests)
+
+      core.info(`ℹ️ Retrieved ${allPullRequests.length} total PRs for ${owner}/${repo}`)
+    }
+
+    // retrieve base branches we allow
+    const baseBranches = configuration.base_branches
+    const baseBranchPatterns = baseBranches.map(baseBranch => {
+      return new RegExp(baseBranch.replace('\\\\', '\\'), 'gu')
+    })
+
+    // return only prs if the baseBranch is matching the configuration
+    const finalPrs = allPullRequests.filter(pr => {
+      if (baseBranches.length !== 0) {
+        return baseBranchPatterns.some(pattern => {
+          return pr.baseBranch.match(pattern) !== null
+        })
+      }
+      return true
+    })
+
+    if (baseBranches.length !== 0) {
+      core.info(`ℹ️ Retrieved ${finalPrs.length} PRs for ${owner}/${repo} filtered by the 'base_branches' configuration.`)
+    }
+
+    // fetch reviewers only if enabled (requires an additional API request per PR)
+    if (fetchReviews || fetchReviewers) {
+      core.info(`ℹ️ Fetching reviews (or reviewers) was enabled`)
+      // update PR information with reviewers who approved
+      for (const pr of finalPrs) {
+        await this.getReviews(owner, repo, pr)
+
+        const reviews = pr.reviews
+        if (reviews && (reviews?.length || 0) > 0) {
+          core.info(`ℹ️ Retrieved ${reviews.length || 0} review(s) for PR ${owner}/${repo}/#${pr.number}`)
+
+          // backwards compatiblity
+          pr.approvedReviewers = reviews.filter(r => r.state === 'APPROVED').map(r => r.author)
+        } else {
+          core.debug(`No reviewer(s) for PR ${owner}/${repo}/#${pr.number}`)
+        }
+      }
+    } else {
+      core.debug(`ℹ️ Fetching reviews (or reviewers) was disabled`)
+    }
+
+    return [diffInfo, finalPrs]
+  }
 }
 
 function sortPrs(pullRequests: PullRequestInfo[]): PullRequestInfo[] {
@@ -227,8 +329,8 @@ export function retrieveProperty(pr: PullRequestInfo, property: Property, useCas
 }
 
 // helper function to add a special open label to prs not merged.
-function attachSpeciaLabels(status: 'open' | 'merged', labels: Set<string>): Set<string> {
+function attachSpeciaLabels(status: 'open' | 'merged', labels: string[]): string[] {
-  labels.add(`--rcba-${status}`)
+  labels.push(`--rcba-${status}`)
   return labels
 }
 
@@ -243,7 +345,7 @@ const mapPullRequest = (pr: PullData | Unpacked<PullsListData>, status: 'open' |
   mergeCommitSha: pr.merge_commit_sha || '',
   author: pr.user?.login || '',
   repoName: pr.base.repo.full_name,
-  labels: attachSpeciaLabels(status, new Set(pr.labels?.map(lbl => lbl.name?.toLocaleLowerCase('en') || '') || [])),
+  labels: attachSpeciaLabels(status, pr.labels?.map(lbl => lbl.name?.toLocaleLowerCase('en') || '') || []),
   milestone: pr.milestone?.title || '',
   body: pr.body || '',
   assignees: pr.assignees?.map(asignee => asignee?.login || '') || [],

src/releaseNotes.ts

@@ -1,230 +0,0 @@
-import * as core from '@actions/core'
-import {Commits, filterCommits, DiffInfo, DefaultDiffInfo} from './commits'
-import {Configuration} from './configuration'
-import {PullRequestInfo, PullRequests} from './pullRequests'
-import {Octokit} from '@octokit/rest'
-import {buildChangelog, replaceEmptyTemplate} from './transform'
-import {failOrError} from './utils'
-import {TagInfo} from './tags'
-
-export interface ReleaseNotesOptions {
-  owner: string // the owner of the repository
-  repo: string // the repository
-  fromTag: TagInfo // the tag/ref to start from
-  toTag: TagInfo // the tag/ref up to
-  includeOpen: boolean // defines if we should also fetch open pull requests
-  failOnError: boolean // defines if we should fail the action in case of an error
-  fetchReviewers: boolean // defines if the action should fetch the reviewers for PRs - approved reviewers are not included in the default PR listing
-  fetchReleaseInformation: boolean // defines if the action should fetch the release information for the from and to tag - e.g. the creation date for the associated release
-  fetchReviews: boolean // defines if the action should fetch the reviews for the PR.
-  commitMode: boolean // defines if we use the alternative commit based mode. note: this is only partially supported
-  configuration: Configuration // the configuration as defined in `configuration.ts`
-}
-
-export class ReleaseNotes {
-  constructor(private octokit: Octokit, private options: ReleaseNotesOptions) {}
-
-  async pull(): Promise<string> {
-    let mergedPullRequests: PullRequestInfo[]
-    let diffInfo: DiffInfo
-    if (!this.options.commitMode) {
-      core.startGroup(`🚀 Load pull requests`)
-
-      const [info, prs] = await this.getMergedPullRequests(this.octokit)
-      mergedPullRequests = prs
-      diffInfo = info
-
-      // define the included PRs within this release as output
-      core.setOutput(
-        'pull_requests',
-        mergedPullRequests
-          .map(pr => {
-            return pr.number
-          })
-          .join(',')
-      )
-
-      core.endGroup()
-    } else {
-      core.startGroup(`🚀 Load commit history`)
-      core.info(`⚠️ Executing experimental commit mode`)
-      const [info, prs] = await this.generateCommitPRs(this.octokit)
-      mergedPullRequests = prs
-      diffInfo = info
-      core.endGroup()
-    }
-
-    core.setOutput('changed_files', diffInfo.changedFiles)
-    core.setOutput('additions', diffInfo.additions)
-    core.setOutput('deletions', diffInfo.deletions)
-    core.setOutput('changes', diffInfo.changes)
-    core.setOutput('commits', diffInfo.commits)
-
-    if (mergedPullRequests.length === 0) {
-      core.warning(`⚠️ No pull requests found`)
-      return replaceEmptyTemplate(this.options.configuration.empty_template, this.options)
-    }
-
-    core.startGroup('📦 Build changelog')
-    const resultChangelog = buildChangelog(diffInfo, mergedPullRequests, this.options)
-    core.endGroup()
-    return resultChangelog
-  }
-
-  private async getCommitHistory(octokit: Octokit): Promise<DiffInfo> {
-    const {owner, repo, fromTag, toTag, failOnError} = this.options
-    core.info(`ℹ️ Comparing ${owner}/${repo} - '${fromTag.name}...${toTag.name}'`)
-
-    const commitsApi = new Commits(octokit)
-    let diffInfo: DiffInfo
-    try {
-      diffInfo = await commitsApi.getDiff(owner, repo, fromTag.name, toTag.name)
-    } catch (error) {
-      failOrError(`💥 Failed to retrieve - Invalid tag? - Because of: ${error}`, failOnError)
-      return DefaultDiffInfo
-    }
-    if (diffInfo.commitInfo.length === 0) {
-      core.warning(`⚠️ No commits found between - ${fromTag.name}...${toTag.name}`)
-      return DefaultDiffInfo
-    }
-
-    return diffInfo
-  }
-
-  private async getMergedPullRequests(octokit: Octokit): Promise<[DiffInfo, PullRequestInfo[]]> {
-    const {owner, repo, includeOpen, fetchReviewers, fetchReviews, configuration} = this.options
-
-    const diffInfo = await this.getCommitHistory(octokit)
-    const commits = diffInfo.commitInfo
-    if (commits.length === 0) {
-      return [diffInfo, []]
-    }
-
-    const firstCommit = commits[0]
-    const lastCommit = commits[commits.length - 1]
-    let fromDate = firstCommit.date
-    const toDate = lastCommit.date
-
-    const maxDays = configuration.max_back_track_time_days
-    const maxFromDate = toDate.clone().subtract(maxDays, 'days')
-    if (maxFromDate.isAfter(fromDate)) {
-      core.info(`⚠️ Adjusted 'fromDate' to go max ${maxDays} back`)
-      fromDate = maxFromDate
-    }
-
-    core.info(`ℹ️ Fetching PRs between dates ${fromDate.toISOString()} to ${toDate.toISOString()} for ${owner}/${repo}`)
-
-    const pullRequestsApi = new PullRequests(octokit)
-    const pullRequests = await pullRequestsApi.getBetweenDates(owner, repo, fromDate, toDate, configuration.max_pull_requests)
-
-    core.info(`ℹ️ Retrieved ${pullRequests.length} PRs for ${owner}/${repo} in date range from API`)
-
-    const prCommits = filterCommits(commits, configuration.exclude_merge_branches)
-
-    core.info(`ℹ️ Retrieved ${prCommits.length} release commits for ${owner}/${repo}`)
-
-    // create array of commits for this release
-    const releaseCommitHashes = prCommits.map(commmit => {
-      return commmit.sha
-    })
-
-    // filter out pull requests not associated with this release
-    const mergedPullRequests = pullRequests.filter(pr => {
-      return releaseCommitHashes.includes(pr.mergeCommitSha)
-    })
-
-    core.info(`ℹ️ Retrieved ${mergedPullRequests.length} merged PRs for ${owner}/${repo}`)
-
-    let allPullRequests = mergedPullRequests
-    if (includeOpen) {
-      // retrieve all open pull requests
-      const openPullRequests = await pullRequestsApi.getOpen(owner, repo, configuration.max_pull_requests)
-
-      core.info(`ℹ️ Retrieved ${openPullRequests.length} open PRs for ${owner}/${repo}`)
-
-      // all pull requests
-      allPullRequests = allPullRequests.concat(openPullRequests)
-
-      core.info(`ℹ️ Retrieved ${allPullRequests.length} total PRs for ${owner}/${repo}`)
-    }
-
-    // retrieve base branches we allow
-    const baseBranches = configuration.base_branches
-    const baseBranchPatterns = baseBranches.map(baseBranch => {
-      return new RegExp(baseBranch.replace('\\\\', '\\'), 'gu')
-    })
-
-    // return only prs if the baseBranch is matching the configuration
-    const finalPrs = allPullRequests.filter(pr => {
-      if (baseBranches.length !== 0) {
-        return baseBranchPatterns.some(pattern => {
-          return pr.baseBranch.match(pattern) !== null
-        })
-      }
-      return true
-    })
-
-    if (baseBranches.length !== 0) {
-      core.info(`ℹ️ Retrieved ${finalPrs.length} PRs for ${owner}/${repo} filtered by the 'base_branches' configuration.`)
-    }
-
-    // fetch reviewers only if enabled (requires an additional API request per PR)
-    if (fetchReviews || fetchReviewers) {
-      core.info(`ℹ️ Fetching reviews (or reviewers) was enabled`)
-      // update PR information with reviewers who approved
-      for (const pr of finalPrs) {
-        await pullRequestsApi.getReviews(owner, repo, pr)
-
-        const reviews = pr.reviews
-        if (reviews && (reviews?.length || 0) > 0) {
-          core.info(`ℹ️ Retrieved ${reviews.length || 0} review(s) for PR ${owner}/${repo}/#${pr.number}`)
-
-          // backwards compatiblity
-          pr.approvedReviewers = reviews.filter(r => r.state === 'APPROVED').map(r => r.author)
-        } else {
-          core.debug(`No reviewer(s) for PR ${owner}/${repo}/#${pr.number}`)
-        }
-      }
-    } else {
-      core.debug(`ℹ️ Fetching reviews (or reviewers) was disabled`)
-    }
-
-    return [diffInfo, finalPrs]
-  }
-
-  private async generateCommitPRs(octokit: Octokit): Promise<[DiffInfo, PullRequestInfo[]]> {
-    const {owner, repo, configuration} = this.options
-
-    const diffInfo = await this.getCommitHistory(octokit)
-    const commits = diffInfo.commitInfo
-    if (commits.length === 0) {
-      return [diffInfo, []]
-    }
-
-    const prCommits = filterCommits(commits, configuration.exclude_merge_branches)
-
-    core.info(`ℹ️ Retrieved ${prCommits.length} commits for ${owner}/${repo}`)
-
-    const prs = prCommits.map(function (commit): PullRequestInfo {
-      return {
-        number: 0,
-        title: commit.summary,
-        htmlURL: '',
-        baseBranch: '',
-        createdAt: commit.date,
-        mergedAt: commit.date,
-        mergeCommitSha: commit.sha,
-        author: commit.author || '',
-        repoName: '',
-        labels: new Set(),
-        milestone: '',
-        body: commit.message || '',
-        assignees: [],
-        requestedReviewers: [],
-        approvedReviewers: [],
-        status: 'merged'
-      }
-    })
-    return [diffInfo, prs]
-  }
-}

src/releaseNotesBuilder.ts

@@ -1,10 +1,32 @@
 import * as core from '@actions/core'
 import {Configuration} from './configuration'
 import {Octokit} from '@octokit/rest'
-import {ReleaseNotes} from './releaseNotes'
+import {TagInfo, Tags} from './tags'
-import {Tags} from './tags'
+import {checkExportedData, failOrError} from './utils'
-import {failOrError} from './utils'
 import {HttpsProxyAgent} from 'https-proxy-agent'
+import {PullRequestInfo, PullRequests} from './pullRequests'
+import {Commits, DiffInfo} from './commits'
+import {buildChangelog} from './transform'
+
+export interface ReleaseNotesOptions {
+  owner: string // the owner of the repository
+  repo: string // the repository
+  fromTag: TagInfo // the tag/ref to start from
+  toTag: TagInfo // the tag/ref up to
+  includeOpen: boolean // defines if we should also fetch open pull requests
+  failOnError: boolean // defines if we should fail the action in case of an error
+  fetchReviewers: boolean // defines if the action should fetch the reviewers for PRs - approved reviewers are not included in the default PR listing
+  fetchReleaseInformation: boolean // defines if the action should fetch the release information for the from and to tag - e.g. the creation date for the associated release
+  fetchReviews: boolean // defines if the action should fetch the reviews for the PR.
+  commitMode: boolean // defines if we use the alternative commit based mode. note: this is only partially supported
+  configuration: Configuration // the configuration as defined in `configuration.ts`
+}
+
+export interface ReleaseNotesData {
+  diffInfo: DiffInfo
+  mergedPullRequests: PullRequestInfo[]
+  options: ReleaseNotesOptions
+}
 
 export class ReleaseNotesBuilder {
   constructor(
@@ -21,11 +43,15 @@ export class ReleaseNotesBuilder {
     private fetchReviewers: boolean = false,
     private fetchReleaseInformation: boolean = false,
     private fetchReviews: boolean = false,
-    private commitMode: boolean,
+    private commitMode: boolean = false,
+    private exportCollected: boolean = false,
+    private exportOnly: boolean = false,
     private configuration: Configuration
   ) {}
 
   async build(): Promise<string | null> {
+    let releaseNotesData = checkExportedData()
+    if (releaseNotesData == null) {
       if (!this.owner) {
         failOrError(`💥 Missing or couldn't resolve 'owner'`, this.failOnError)
         return null
@@ -122,8 +148,114 @@ export class ReleaseNotesBuilder {
         commitMode: this.commitMode,
         configuration: this.configuration
       }
-    const releaseNotes = new ReleaseNotes(octokit, options)
 
-    return await releaseNotes.pull()
+      releaseNotesData = await pullData(octokit, options, this.exportCollected, this.exportOnly)
+    } else {
+      core.info(`ℹ️ Retrieved previously exported collected data`)
+
+      // merge input with options (in case some data was updated)
+      const diffInfo = releaseNotesData.diffInfo
+      const mergedPullRequests = releaseNotesData.mergedPullRequests
+      const orgOptions = releaseNotesData.options
+
+      // merge fromTag info with provided info || otherwise use cached info
+      const fromTag: TagInfo = orgOptions.fromTag
+      if (this.fromTag != null) {
+        fromTag.name = this.fromTag
+      }
+      const toTag: TagInfo = orgOptions.toTag
+      if (this.toTag != null) {
+        toTag.name = this.toTag
+      }
+
+      // merge provided values with previous options (prefer provided)
+      const options: ReleaseNotesOptions = {
+        owner: this.owner || orgOptions.owner,
+        repo: this.repo || orgOptions.repo,
+        fromTag,
+        toTag,
+        includeOpen: this.includeOpen || orgOptions.includeOpen,
+        failOnError: this.failOnError || orgOptions.failOnError,
+        fetchReviewers: this.fetchReviewers || orgOptions.fetchReviewers,
+        fetchReleaseInformation: this.fetchReleaseInformation || orgOptions.fetchReleaseInformation,
+        fetchReviews: this.fetchReviews || orgOptions.fetchReviews,
+        commitMode: this.commitMode || orgOptions.commitMode,
+        configuration: this.configuration || orgOptions.configuration
+      }
+
+      releaseNotesData = {
+        diffInfo,
+        mergedPullRequests,
+        options
+      }
+    }
+    if (releaseNotesData != null) {
+      return buildChangelog(releaseNotesData.diffInfo, releaseNotesData.mergedPullRequests, releaseNotesData.options)
+    } else {
+      return null
+    }
+  }
+}
+
+export async function pullData(
+  octokit: Octokit,
+  options: ReleaseNotesOptions,
+  exportCollected: boolean,
+  exportOnly: boolean
+): Promise<ReleaseNotesData | null> {
+  let mergedPullRequests: PullRequestInfo[]
+  let diffInfo: DiffInfo
+
+  const commitsApi = new Commits(octokit)
+  if (!options.commitMode) {
+    core.startGroup(`🚀 Load pull requests`)
+    const pullRequestsApi = new PullRequests(octokit, commitsApi)
+    const [info, prs] = await pullRequestsApi.getMergedPullRequests(options)
+    mergedPullRequests = prs
+    diffInfo = info
+  } else {
+    core.startGroup(`🚀 Load commit history`)
+    core.info(`⚠️ Executing experimental commit mode`)
+    const [info, prs] = await commitsApi.generateCommitPRs(options)
+    mergedPullRequests = prs
+    diffInfo = info
+  }
+
+  // define the included PRs within this release as output
+  core.setOutput(
+    'pull_requests',
+    mergedPullRequests
+      .map(pr => {
+        return pr.number
+      })
+      .join(',')
+  )
+  core.setOutput('changed_files', diffInfo.changedFiles)
+  core.setOutput('additions', diffInfo.additions)
+  core.setOutput('deletions', diffInfo.deletions)
+  core.setOutput('changes', diffInfo.changes)
+  core.setOutput('commits', diffInfo.commits)
+
+  if (exportCollected) {
+    core.info('📦 Exporting collected data')
+    core.exportVariable(`RCBA_EXPORT_diffInfo`, JSON.stringify(diffInfo))
+    //fs.writeFileSync(path.resolve('diffInfo.json'), JSON.stringify(diffInfo))
+    core.exportVariable(`RCBA_EXPORT_mergedPullRequests`, JSON.stringify(mergedPullRequests))
+    //fs.writeFileSync(path.resolve('mergedPullRequests.json'), JSON.stringify(mergedPullRequests))
+    core.exportVariable(`RCBA_EXPORT_options`, JSON.stringify(options))
+    //fs.writeFileSync(path.resolve('options.json'), JSON.stringify(options))
+
+    if (exportOnly) {
+      core.endGroup()
+      return null
+    }
+  }
+
+  core.endGroup()
+
+  return {
+    diffInfo,
+    mergedPullRequests,
+    options
   }
 }

src/transform.ts

@@ -1,14 +1,22 @@
 import * as core from '@actions/core'
 import {Category, Configuration, Placeholder, Property, Transformer} from './configuration'
 import {CommentInfo, EMPTY_COMMENT_INFO, PullRequestInfo, retrieveProperty, sortPullRequests} from './pullRequests'
-import {ReleaseNotesOptions} from './releaseNotes'
+import {ReleaseNotesOptions} from './releaseNotesBuilder'
 import {DiffInfo} from './commits'
-import {createOrSet, haveCommonElements, haveEveryElements} from './utils'
+import {createOrSet, haveCommonElementsArr, haveEveryElementsArr} from './utils'
 import {matchesRules, RegexTransformer, validateTransformer} from './regexUtils'
 
 const EMPTY_MAP = new Map<string, string>()
 
 export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], options: ReleaseNotesOptions): string {
+  core.startGroup('📦 Build changelog')
+  if (prs.length === 0) {
+    core.warning(`⚠️ No pull requests found`)
+    const result = replaceEmptyTemplate(options.configuration.empty_template, options)
+    core.endGroup()
+    return result
+  }
+
   // sort to target order
   const config = options.configuration
   const sort = config.sort
@@ -49,7 +57,7 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
       const extracted = extractValues(pr, extractor, 'label_extractor')
       if (extracted !== null) {
         for (const label of extracted) {
-          pr.labels.add(label)
+          pr.labels.push(label)
         }
 
         if (core.isDebug()) {
@@ -92,7 +100,7 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
   // bring elements in order
   for (const [pr, body] of transformedMap) {
     if (
-      haveCommonElements(
+      haveCommonElementsArr(
         ignoredLabels.map(lbl => lbl.toLocaleLowerCase('en')),
         pr.labels
       )
@@ -111,7 +119,7 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
       // check if any exclude label matches
       if (category.exclude_labels !== undefined) {
         if (
-          haveCommonElements(
+          haveCommonElementsArr(
             category.exclude_labels.map(lbl => lbl.toLocaleLowerCase('en')),
             pr.labels
           )
@@ -128,7 +136,7 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
       // validate for an exhaustive match (e.g. every provided rule applies)
       if (category.exhaustive === true && (category.labels !== undefined || category.rules !== undefined)) {
         if (category.labels !== undefined) {
-          matched = haveEveryElements(
+          matched = haveEveryElementsArr(
             category.labels.map(lbl => lbl.toLocaleLowerCase('en')),
             pr.labels
           )
@@ -144,7 +152,7 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
         // if not exhaustive, do individual matches
         if (category.labels !== undefined) {
           // check if either any of the labels applies
-          matched = haveCommonElements(
+          matched = haveCommonElementsArr(
             category.labels.map(lbl => lbl.toLocaleLowerCase('en')),
             pr.labels
           )
@@ -181,7 +189,8 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
 
   // serialize and provide the categorized content as json
   const transformedCategorized = Array.from(categorized).reduce(
-    (obj, [key, value]) => Object.assign(obj, {[key.key || key.title]: value}), {}
+    (obj, [key, value]) => Object.assign(obj, {[key.key || key.title]: value}),
+    {}
   )
   core.setOutput('categorized', JSON.stringify(transformedCategorized))
 
@@ -273,6 +282,7 @@ export function buildChangelog(diffInfo: DiffInfo, prs: PullRequestInfo[], optio
   transformedChangelog = replacePrPlaceholders(transformedChangelog, placeholderPrMap, config)
   transformedChangelog = cleanupPrPlaceholders(transformedChangelog, placeholders)
   core.info(`ℹ️ Filled template`)
+  core.endGroup()
   return transformedChangelog
 }
 

src/utils.ts

@@ -2,6 +2,10 @@ import * as core from '@actions/core'
 import * as fs from 'fs'
 import * as path from 'path'
 import {Configuration, DefaultConfiguration} from './configuration'
+import {ReleaseNotesData, ReleaseNotesOptions} from './releaseNotesBuilder'
+import {DiffInfo} from './commits'
+import {PullRequestInfo} from './pullRequests'
+import moment from 'moment'
 /**
  * Resolves the repository path, relatively to the GITHUB_WORKSPACE
  */
@@ -32,6 +36,45 @@ export function failOrError(message: string | Error, failOnError: boolean): void
   }
 }
 
+/**
+ * Retrieves the exported information from a previous run of the `release-changelog-builder-action`.
+ * If available, return a [ReleaseNotesData].
+ */
+export function checkExportedData(): ReleaseNotesData | null {
+  const rawDiffInfo = process.env[`RCBA_EXPORT_diffInfo`]
+  const rawMergedPullRequests = process.env[`RCBA_EXPORT_mergedPullRequests`]
+  const rawOptions = process.env[`RCBA_EXPORT_options`]
+
+  if (rawDiffInfo && rawMergedPullRequests && rawOptions) {
+    const diffInfo: DiffInfo = JSON.parse(rawDiffInfo)
+    const mergedPullRequests: PullRequestInfo[] = JSON.parse(rawMergedPullRequests)
+
+    for (const pr of mergedPullRequests) {
+      pr.createdAt = moment(pr.createdAt)
+      if (pr.mergedAt) {
+        pr.mergedAt = moment(pr.mergedAt)
+      }
+
+      if (pr.reviews) {
+        for (const review of pr.reviews) {
+          if (review.submittedAt) {
+            review.submittedAt = moment(review.submittedAt)
+          }
+        }
+      }
+    }
+
+    const options: ReleaseNotesOptions = JSON.parse(rawOptions)
+    return {
+      diffInfo,
+      mergedPullRequests,
+      options
+    }
+  } else {
+    return null
+  }
+}
+
 /**
  * Retrieves the configuration given the file path, if not found it will fallback to the `DefaultConfiguration`
  */
@@ -172,6 +215,14 @@ export function haveCommonElements(arr1: string[], arr2: Set<string>): boolean {
   return arr1.some(item => arr2.has(item))
 }
 
+export function haveCommonElementsArr(arr1: string[], arr2: string[]): boolean {
+  return haveCommonElements(arr1, new Set(arr2))
+}
+
 export function haveEveryElements(arr1: string[], arr2: Set<string>): boolean {
   return arr1.every(item => arr2.has(item))
 }
+
+export function haveEveryElementsArr(arr1: string[], arr2: string[]): boolean {
+  return haveEveryElements(arr1, new Set(arr2))
+}