fix: use git url instead of GitHub for kernel repo

backend/src/serverless/integrations/usecases/github/rest/getInstalledRepositories.ts

@@ -6,6 +6,23 @@ import { Repos } from '../../../types/regularTypes'
 
 const log = getServiceChildLogger('getInstalledRepositories')
 
+/**
+ * Normalizes forkedFrom URL for special cases.
+ */
+const normalizeForkedFrom = (forkedFrom: string | null): string | null => {
+  if (!forkedFrom) {
+    return null
+  }
+
+  // Special case: Linux kernel on GitHub should map to the official kernel.org git repository
+  // because that's the one onboarded in our system, not the GitHub mirror.
+  if (forkedFrom.endsWith('github.com/torvalds/linux')) {
+    return 'https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux'
+  }
+
+  return forkedFrom
+}
+
 const getRepositoriesFromGH = async (page: number, installToken: string): Promise<any> => {
   const REPOS_PER_PAGE = 100
 
@@ -33,7 +50,7 @@ const parseRepos = (repositories: any): Repos => {
       fork: repo.fork,
       private: repo.private,
       cloneUrl: repo.clone_url,
-      forkedFrom: repo.parent?.html_url || null,
+      forkedFrom: normalizeForkedFrom(repo.parent?.html_url || null),
     })
   }
 

backend/src/services/githubIntegrationService.ts

@@ -16,6 +16,23 @@ const githubMaxSearchResult = 1000
 export default class GithubIntegrationService {
   constructor(private readonly options: IServiceOptions) {}
 
+  /**
+   * Normalizes forkedFrom URL for special cases.
+   */
+  private static normalizeForkedFrom(forkedFrom: string | null): string | null {
+    if (!forkedFrom) {
+      return null
+    }
+
+    // Special case: Linux kernel on GitHub should map to the official kernel.org git repository
+    // because that's the one onboarded in our system, not the GitHub mirror.
+    if (forkedFrom.endsWith('github.com/torvalds/linux')) {
+      return 'https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux'
+    }
+
+    return forkedFrom
+  }
+
   /**
    * Fetches the parent repository information for a forked repository
    * @param owner - The owner of the repository
@@ -32,7 +49,7 @@ export default class GithubIntegrationService {
       })
 
       if (data && data.parent) {
-        return data.parent.html_url
+        return GithubIntegrationService.normalizeForkedFrom(data.parent.html_url)
       }
     } catch (error) {
       const logger = getServiceLogger()
@@ -221,7 +238,7 @@ export default class GithubIntegrationService {
       // Get forked_from if the repo is a fork
       let forkedFrom = null
       if (data.fork && data.parent) {
-        forkedFrom = data.parent.html_url
+        forkedFrom = GithubIntegrationService.normalizeForkedFrom(data.parent.html_url)
       }
 
       return {