From 86b0d0e599f8940689eb552a8493c04ced298e19 Mon Sep 17 00:00:00 2001
From: sebastien <lorber.sebastien@gmail.com>
Date: Fri, 24 Oct 2025 18:12:37 +0200
Subject: [PATCH] wire VSC api to blog creation date logic

---
 .../src/__tests__/feed.test.ts                | 18 +++++++++--
 .../src/blogUtils.ts                          | 14 +++------
 packages/docusaurus-utils/src/vcsUtils.ts     | 30 +++++++++++++++----
 3 files changed, 45 insertions(+), 17 deletions(-)

diff --git a/packages/docusaurus-plugin-content-blog/src/__tests__/feed.test.ts b/packages/docusaurus-plugin-content-blog/src/__tests__/feed.test.ts
index 7241282e1d..b4f26041b3 100644
--- a/packages/docusaurus-plugin-content-blog/src/__tests__/feed.test.ts
+++ b/packages/docusaurus-plugin-content-blog/src/__tests__/feed.test.ts
@@ -8,7 +8,10 @@
 import {jest} from '@jest/globals';
 import path from 'path';
 import fs from 'fs-extra';
-import {DEFAULT_PARSE_FRONT_MATTER} from '@docusaurus/utils';
+import {
+  DEFAULT_PARSE_FRONT_MATTER,
+  DEFAULT_VCS_CONFIG,
+} from '@docusaurus/utils';
 import {fromPartial} from '@total-typescript/shoehorn';
 import {normalizePluginOptions} from '@docusaurus/utils-validation';
 import tree from 'tree-node-cli';
@@ -51,7 +54,7 @@ function getBlogContentPaths(siteDir: string): BlogContentPaths {
 }
 
 async function testGenerateFeeds(
-  context: LoadContext,
+  contextInput: LoadContext,
   optionsInput: Options,
 ): Promise<void> {
   const options = validateOptions({
@@ -62,6 +65,17 @@ async function testGenerateFeeds(
     options: optionsInput,
   });
 
+  const context: LoadContext = {
+    ...contextInput,
+    siteConfig: {
+      ...contextInput.siteConfig,
+      future: {
+        ...contextInput.siteConfig?.future,
+        experimental_vcs: DEFAULT_VCS_CONFIG,
+      },
+    },
+  };
+
   const contentPaths = getBlogContentPaths(context.siteDir);
   const authorsMap = await getAuthorsMap({
     contentPaths,
diff --git a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
index 3647a34550..e6951f8e20 100644
--- a/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
+++ b/packages/docusaurus-plugin-content-blog/src/blogUtils.ts
@@ -19,7 +19,6 @@ import {
   Globby,
   groupTaggedItems,
   getTagVisibility,
-  getFileCommitDate,
   getContentPathList,
   isUnlisted,
   isDraft,
@@ -225,6 +224,7 @@ async function processBlogSourceFile(
     siteConfig: {
       baseUrl,
       markdown: {parseFrontMatter},
+      future: {experimental_vcs: vcs},
     },
     siteDir,
     i18n,
@@ -285,17 +285,11 @@ async function processBlogSourceFile(
       return parsedBlogFileName.date;
     }
 
-    try {
-      const result = await getFileCommitDate(blogSourceAbsolute, {
-        age: 'oldest',
-        includeAuthor: false,
-      });
-
-      return result.date;
-    } catch (err) {
-      logger.warn(err);
+    const result = await vcs.getFileCreationInfo(blogSourceAbsolute);
+    if (result == null) {
       return (await fs.stat(blogSourceAbsolute)).birthtime;
     }
+    return new Date(result.timestamp);
   }
 
   const date = await getDate();
diff --git a/packages/docusaurus-utils/src/vcsUtils.ts b/packages/docusaurus-utils/src/vcsUtils.ts
index 640163da1b..7802d8944c 100644
--- a/packages/docusaurus-utils/src/vcsUtils.ts
+++ b/packages/docusaurus-utils/src/vcsUtils.ts
@@ -5,16 +5,36 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import {getFileCommitDate} from './gitUtils';
+import {
+  FileNotTrackedError,
+  getFileCommitDate,
+  GitNotFoundError,
+} from './gitUtils';
 import {getLastUpdate} from './lastUpdateUtils';
 import type {VcsConfig} from '@docusaurus/types';
 
 export const DEFAULT_VCS_CONFIG: VcsConfig = {
   getFileCreationInfo: async (filePath: string) => {
-    return getFileCommitDate(filePath, {
-      age: 'oldest',
-      includeAuthor: true,
-    });
+    try {
+      return await getFileCommitDate(filePath, {
+        age: 'oldest',
+        includeAuthor: true,
+      });
+    } catch (error) {
+      // TODO Docusaurus v4: remove this logic using exceptions for control flow
+      //  We add this logic to make it similar to getLastUpdate() that also
+      //  returns null in these case and does not throw
+      if (error instanceof GitNotFoundError) {
+        return null;
+      } else if (error instanceof FileNotTrackedError) {
+        return null;
+      } else {
+        throw new Error(
+          `An error occurred when trying to get the last update date`,
+          {cause: error},
+        );
+      }
+    }
   },
   getFileLastUpdateInfo: async (filePath: string) => {
     // TODO non-ideal integration but good enough for now