- introduce new MERGE_SHA placeholder support into template for PRs (and commit SHA for commit mode)

- FIX https://github.com/mikepenz/release-changelog-builder-action/issues/552

README.md

@@ -261,6 +261,7 @@ Table of supported placeholders allowed to be used in the `pr_template` configur
 | `${{TITLE}}`     | Specified title of the merged pull request                  |
 | `${{URL}}`       | Url linking to the pull request on GitHub                   |
 | `${{MERGED_AT}}` | The ISO time, the pull request was merged at                |
+| `${{MERGE_SHA}}` | The commit SHA, the pull request was merged with            |
 | `${{AUTHOR}}`    | Author creating and opening the pull request                |
 | `${{LABELS}}`    | The labels associated with this pull request, joined by `,` |
 | `${{MILESTONE}}` | Milestone this PR was part of, as assigned on GitHub        |

__tests__/transform.test.ts

@@ -201,7 +201,7 @@ pullRequestsWithLabels.push(
     htmlURL: '',
     baseBranch: '',
     mergedAt: moment(),
-    mergeCommitSha: 'sha1',
+    mergeCommitSha: 'sha1-1',
     author: 'Mike',
     repoName: 'test-repo',
     labels: new Set<string>().add('feature'),
@@ -216,7 +216,7 @@ pullRequestsWithLabels.push(
     htmlURL: '',
     baseBranch: '',
     mergedAt: moment(),
-    mergeCommitSha: 'sha1',
+    mergeCommitSha: 'sha1-2',
     author: 'Mike',
     repoName: 'test-repo',
     labels: new Set<string>().add('issue').add('fix'),
@@ -231,7 +231,7 @@ pullRequestsWithLabels.push(
     htmlURL: '',
     baseBranch: '',
     mergedAt: moment().add(1, 'days'),
-    mergeCommitSha: 'sha1',
+    mergeCommitSha: 'sha1-3',
     author: 'Mike',
     repoName: 'test-repo',
     labels: new Set<string>().add('issue').add('feature').add('fix'),
@@ -246,7 +246,7 @@ pullRequestsWithLabels.push(
     htmlURL: '',
     baseBranch: '',
     mergedAt: moment(),
-    mergeCommitSha: 'sha1',
+    mergeCommitSha: 'sha1-4',
     author: 'Mike',
     repoName: 'test-repo',
     labels: new Set<string>().add(''),
@@ -337,4 +337,24 @@ it('Deduplicate duplicated PRs DESC', async () => {
   expect(resultChangelog).toStrictEqual(
     `## 🚀 Features\n\n- [ABC-1234] - this is a PR 1 title message\n   - PR: #1\n\n## 🐛 Fixes\n\n- [ABC-4321] - this is a PR 2 title message\n   - PR: #2\n\n`
   )
+})
+
+it('Commit SHA-1 in commitMode', async () => {
+  const customConfig = Object.assign({}, DefaultConfiguration)
+  customConfig.sort = "DESC"
+  customConfig.pr_template = "${{MERGE_SHA}}"
+
+  const resultChangelog = buildChangelog(pullRequestsWithLabels, {
+    owner: 'mikepenz',
+    repo: 'test-repo',
+    fromTag: '1.0.0',
+    toTag: '2.0.0',
+    failOnError: false,
+    commitMode: true,
+    configuration: customConfig
+  })
+
+  expect(resultChangelog).toStrictEqual(
+    `## 🚀 Features\n\nsha1-3\nsha1-1\n\n## 🐛 Fixes\n\nsha1-3\nsha1-2\n\n`
+  )
 })

dist/index.js

@@ -702,7 +702,7 @@ class ReleaseNotes {
                     htmlURL: '',
                     baseBranch: '',
                     mergedAt: commit.date,
-                    mergeCommitSha: '',
+                    mergeCommitSha: commit.sha,
                     author: commit.author || '',
                     repoName: '',
                     labels: new Set(),
@@ -1288,6 +1288,7 @@ function fillTemplate(pr, template) {
     transformed = transformed.replace(/\${{TITLE}}/g, pr.title);
     transformed = transformed.replace(/\${{URL}}/g, pr.htmlURL);
     transformed = transformed.replace(/\${{MERGED_AT}}/g, pr.mergedAt.toISOString());
+    transformed = transformed.replace(/\${{MERGE_SHA}}/g, pr.mergeCommitSha);
     transformed = transformed.replace(/\${{AUTHOR}}/g, pr.author);
     transformed = transformed.replace(/\${{LABELS}}/g, ((_a = [...pr.labels]) === null || _a === void 0 ? void 0 : _a.join(', ')) || '');
     transformed = transformed.replace(/\${{MILESTONE}}/g, pr.milestone || '');

src/releaseNotes.ts

@@ -178,7 +178,7 @@ export class ReleaseNotes {
         htmlURL: '',
         baseBranch: '',
         mergedAt: commit.date,
-        mergeCommitSha: '',
+        mergeCommitSha: commit.sha,
         author: commit.author || '',
         repoName: '',
         labels: new Set(),

src/transform.ts

@@ -246,6 +246,7 @@ function fillTemplate(pr: PullRequestInfo, template: string): string {
     /\${{MERGED_AT}}/g,
     pr.mergedAt.toISOString()
   )
+  transformed = transformed.replace(/\${{MERGE_SHA}}/g, pr.mergeCommitSha)
   transformed = transformed.replace(/\${{AUTHOR}}/g, pr.author)
   transformed = transformed.replace(
     /\${{LABELS}}/g,