feat(release): allow disabling GitHub username matching in default ch…

…angelog renderer (#26672)

docs/shared/recipes/nx-release/configure-changelog-format.md

@@ -18,7 +18,7 @@ The default changelog renderer for `nx release` generates a changelog entry for
 
 ## Include All Metadata
 
-There are a few options available to modify the default changelog renderer output. They can be applied to both `workspaceChangelog` and `projectChangelogs` in exactly the same way. All three options are true by default:
+There are a few options available to modify the default changelog renderer output. They can be applied to both `workspaceChangelog` and `projectChangelogs` in exactly the same way. All four options are true by default:
 
 ```json
 {
@@ -27,6 +27,7 @@ There are a few options available to modify the default changelog renderer outpu
       "projectChangelogs": {
         "renderOptions": {
           "authors": true,
+          "mapAuthorsToGitHubUsernames": true,
           "commitReferences": true,
           "versionTitleDate": true
         }
@@ -40,6 +41,12 @@ There are a few options available to modify the default changelog renderer outpu
 
 Whether the commit authors should be added to the bottom of the changelog in a "Thank You" section. Defaults to `true`.
 
+#### `mapAuthorsToGitHubUsernames`
+
+If authors is enabled, controls whether or not to try to map the authors to their GitHub usernames using https://ungh.cc (from https://github.com/unjs/ungh) and the email addresses found in the commits. Defaults to `true`.
+
+You should disable this option if you don't want to make any external requests to https://ungh.cc
+
 #### `commitReferences`
 
 Whether the commit references (such as commit and/or PR links) should be included in the changelog. Defaults to `true`.
@@ -59,6 +66,7 @@ If you prefer a more minimalist changelog, you can set all the options to false,
       "projectChangelogs": {
         "renderOptions": {
           "authors": false,
+          "mapAuthorsToGitHubUsernames": false,
           "commitReferences": false,
           "versionTitleDate": false
         }

packages/nx/release/changelog-renderer/index.ts

@@ -66,6 +66,12 @@ export interface DefaultChangelogRenderOptions extends ChangelogRenderOptions {
    * section. Defaults to true.
    */
   authors?: boolean;
+  /**
+   * If authors is enabled, controls whether or not to try to map the authors to their GitHub usernames
+   * using https://ungh.cc (from https://github.com/unjs/ungh) and the email addresses found in the commits.
+   * Defaults to true.
+   */
+  mapAuthorsToGitHubUsernames?: boolean;
   /**
    * Whether or not the commit references (such as commit and/or PR links) should be included in the changelog.
    * Defaults to true.
@@ -290,7 +296,7 @@ const defaultChangelogRenderer: ChangelogRenderer = async ({
     }
 
     // Try to map authors to github usernames
-    if (repoSlug) {
+    if (repoSlug && changelogRenderOptions.mapAuthorsToGitHubUsernames) {
       await Promise.all(
         [..._authors.keys()].map(async (authorName) => {
           const meta = _authors.get(authorName);