fix(gitlab): split large group sync into bounded subgroup fetches#1351

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fix(gitlab): split large group sync into bounded subgroup fetches #1351

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c81e1e2
fix(gitlab): split large group sync into bounded subgroup fetches
RitwijParmar Jun 18, 2026
cbdf353
chore: add changelog entry for GitLab group sync fix
RitwijParmar Jun 18, 2026
f944f96
fix(gitlab): harden paginated group traversal
RitwijParmar Jun 18, 2026
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down
132 changes: 129 additions & 3 deletions packages/backend/src/gitlab.test.ts
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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
include: { topics: ['backend'] },
})).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
const rootProjectPage1 = {
id: 1,
path_with_namespace: 'root/project-a',
} as ProjectSchema;
const rootProjectPage2 = {
id: 2,
path_with_namespace: 'root/project-b',
} as ProjectSchema;
const childProject = {
id: 3,
path_with_namespace: 'root/child/project-c',
} as ProjectSchema;
const grandchildProject = {
id: 4,
path_with_namespace: 'root/child/grandchild/project-d',
} as ProjectSchema;

const projectsByGroupPage = new Map<string, ProjectSchema[]>([
['root:1', [rootProjectPage1]],
['root:2', [rootProjectPage2]],
['root/child:1', [childProject]],
['root/child/grandchild:1', [grandchildProject]],
]);

const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
['root:1', [
{
id: 10,
full_path: 'root/child',
} as GroupSchema,
]],
['root:2', [
{
id: 11,
full_path: 'root/other-child',
} as GroupSchema,
]],
['root/child:1', [
{
id: 12,
full_path: 'root/child/grandchild',
} as GroupSchema,
]],
]);

const api = {
Groups: {
allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
paginationInfo: {
next: group === 'root' && options.page === 1 ? 2 : null,
},
})),
allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
paginationInfo: {
next: group === 'root' && options.page === 1 ? 2 : null,
},
})),
},
} as unknown as InstanceType<typeof Gitlab>;

const projects = await getGitLabProjectsForGroupTree(api, 'root');

expect(projects.map(project => project.path_with_namespace)).toEqual([
'root/project-a',
'root/project-b',
'root/child/project-c',
'root/child/grandchild/project-d',
]);

expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
page: 1,
perPage: 100,
pagination: 'offset',
showExpanded: true,
includeSubgroups: false,
}));
expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
page: 2,
includeSubgroups: false,
}));
expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
includeSubgroups: false,
}));
expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
includeSubgroups: false,
}));
expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
includeSubgroups: false,
}));
expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
includeSubgroups: true,
}));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
const project = {
id: 1,
path_with_namespace: 'root/project-a',
} as ProjectSchema;

const api = {
Groups: {
allProjects: vi.fn(async () => ({
data: [project],
paginationInfo: {
next: 1,
},
})),
allSubgroups: vi.fn(async () => ({
data: [],
paginationInfo: {
next: null,
},
})),
},
} as unknown as InstanceType<typeof Gitlab>;

const projects = await getGitLabProjectsForGroupTree(api, 'root');

expect(projects).toEqual([project]);
expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});
104 changes: 97 additions & 7 deletions packages/backend/src/gitlab.ts
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Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
data: T[];
paginationInfo?: {
next: number | null;
};
};

const fetchAllGitLabPages = async <T>(
identifier: string,
fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
const items: T[] = [];
let page = 1;

while (true) {
const response = await fetchWithRetry(
() => fetchPage(page),
`${identifier} page ${page}`,
logger,
);

items.push(...response.data);

const nextPage = response.paginationInfo?.next;
if (!nextPage) {
break;
}
if (nextPage <= page) {
logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
break;
}

page = nextPage;
}
Comment thread
coderabbitai[bot] marked this conversation as resolved.

return items;
};

export const getGitLabProjectsForGroupTree = async (
api: GitLabApi,
rootGroup: string,
): Promise<ProjectSchema[]> => {
const projectsById = new Map<number, ProjectSchema>();
const groupsToVisit: Array<string | number> = [rootGroup];
let groupIndex = 0;
const visitedGroups = new Set<string>();

while (groupIndex < groupsToVisit.length) {
const group = groupsToVisit[groupIndex++]!;
const groupKey = String(group);
if (visitedGroups.has(groupKey)) {
continue;
}
visitedGroups.add(groupKey);

const [projects, subgroups] = await Promise.all([
fetchAllGitLabPages<ProjectSchema>(
`projects for GitLab group ${groupKey}`,
async (page) => api.Groups.allProjects(group, {
perPage: GITLAB_PAGE_SIZE,
page,
pagination: 'offset',
showExpanded: true,
includeSubgroups: false,
}) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
),
fetchAllGitLabPages<GroupSchema>(
`subgroups for GitLab group ${groupKey}`,
async (page) => api.Groups.allSubgroups(group, {
perPage: GITLAB_PAGE_SIZE,
page,
pagination: 'offset',
showExpanded: true,
}) as Promise<GitLabPaginatedResponse<GroupSchema>>,
),
]);

for (const project of projects) {
projectsById.set(project.id, project);
}

for (const subgroup of subgroups) {
groupsToVisit.push(subgroup.full_path ?? subgroup.id);
}
}

logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
try {
logger.debug(`Fetching project info for group ${group}...`);
const { durationMs, data } = await measure(async () => {
const fetchFn = () => api.Groups.allProjects(group, {
perPage: 100,
includeSubgroups: true
});
return fetchWithRetry(fetchFn, `group ${group}`, logger);
return getGitLabProjectsForGroupTree(api, group);
});
logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
throw error;
}
}
}
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
fix(gitlab): split large group sync into bounded subgroup fetches#1351

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3
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fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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1 change: 1 addition & 0 deletions
CHANGELOG.md

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(gitlab): split large group sync into bounded subgroup fetches#1351

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 Closed

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wants to merge
3
commits into

from

 Closed


fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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CHANGELOG.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(gitlab): split large group sync into bounded subgroup fetches#1351

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fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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CHANGELOG.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
fix(gitlab): split large group sync into bounded subgroup fetches#1351

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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 Closed

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wants to merge
3
commits into

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 Closed


fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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CHANGELOG.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(gitlab): split large group sync into bounded subgroup fetches#1351

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fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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CHANGELOG.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(gitlab): split large group sync into bounded subgroup fetches#1351

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 Sign up for GitHub

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privacy statement. We’ll occasionally send you account related emails.

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Sign in
to your account

 Closed

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wants to merge
3
commits into

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 Closed


fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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1 change: 1 addition & 0 deletions
CHANGELOG.md

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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fix(gitlab): split large group sync into bounded subgroup fetches#1351

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fix(gitlab): split large group sync into bounded subgroup fetches
#1351
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c81e1e2

fix(gitlab): split large group sync into bounded subgroup fetches


RitwijParmar Jun 18, 2026
cbdf353

chore: add changelog entry for GitLab group sync fix


RitwijParmar Jun 18, 2026
f944f96

fix(gitlab): harden paginated group traversal


RitwijParmar Jun 18, 2026

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1 change: 1 addition & 0 deletions
CHANGELOG.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Upgraded `tar` to `^7.5.16`. [#1338](https://github.com/sourcebot-dev/sourcebot/pull/1338)
- Upgraded `esbuild` to `^0.28.1`. [#1342](https://github.com/sourcebot-dev/sourcebot/pull/1342)
- Enabled Next.js version skew protection to fix "Failed to load chunk" errors during rolling deploys. [#1346](https://github.com/sourcebot-dev/sourcebot/pull/1346)
- Split GitLab group sync into bounded direct-project and subgroup page fetches to avoid timeouts on large namespaces. [#1351](https://github.com/sourcebot-dev/sourcebot/pull/1351)

## [5.0.3] - 2026-06-17

Expand Down

132 changes: 129 additions & 3 deletions
packages/backend/src/gitlab.test.ts

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
import { expect, test } from 'vitest';
import { shouldExcludeProject } from './gitlab';
import { ProjectSchema } from '@gitbeaker/rest';
import { expect, test, vi } from 'vitest';
import { getGitLabProjectsForGroupTree, shouldExcludeProject } from './gitlab';
import { Gitlab, GroupSchema, ProjectSchema } from '@gitbeaker/rest';


test('shouldExcludeProject returns false when the project is not excluded.', () => {
Expand DownExpand Up@@ -154,3 +154,129 @@ test('shouldExcludeProject include.topics matching is case-sensitive on the proj
 include: { topics: ['backend'] },
 })).toBe(true);
});

test('getGitLabProjectsForGroupTree walks paginated subgroup trees without includeSubgroups queries.', async () => {
 const rootProjectPage1 = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;
 const rootProjectPage2 = {
 id: 2,
 path_with_namespace: 'root/project-b',
 } as ProjectSchema;
 const childProject = {
 id: 3,
 path_with_namespace: 'root/child/project-c',
 } as ProjectSchema;
 const grandchildProject = {
 id: 4,
 path_with_namespace: 'root/child/grandchild/project-d',
 } as ProjectSchema;

 const projectsByGroupPage = new Map<string, ProjectSchema[]>([
 ['root:1', [rootProjectPage1]],
 ['root:2', [rootProjectPage2]],
 ['root/child:1', [childProject]],
 ['root/child/grandchild:1', [grandchildProject]],
 ]);

 const subgroupsByGroupPage = new Map<string, GroupSchema[]>([
 ['root:1', [
 {
 id: 10,
 full_path: 'root/child',
 } as GroupSchema,
 ]],
 ['root:2', [
 {
 id: 11,
 full_path: 'root/other-child',
 } as GroupSchema,
 ]],
 ['root/child:1', [
 {
 id: 12,
 full_path: 'root/child/grandchild',
 } as GroupSchema,
 ]],
 ]);

 const api = {
 Groups: {
 allProjects: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: projectsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 allSubgroups: vi.fn(async (group: string | number, options: { page: number }) => ({
 data: subgroupsByGroupPage.get(`${group}:${options.page}`) ?? [],
 paginationInfo: {
 next: group === 'root' && options.page === 1 ? 2 : null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects.map(project => project.path_with_namespace)).toEqual([
 'root/project-a',
 'root/project-b',
 'root/child/project-c',
 'root/child/grandchild/project-d',
 ]);

 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 1,
 perPage: 100,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root', expect.objectContaining({
 page: 2,
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/child/grandchild', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).toHaveBeenCalledWith('root/other-child', expect.objectContaining({
 includeSubgroups: false,
 }));
 expect(api.Groups.allProjects).not.toHaveBeenCalledWith(expect.anything(), expect.objectContaining({
 includeSubgroups: true,
 }));
});

test('getGitLabProjectsForGroupTree stops when GitLab returns a non-advancing next page.', async () => {
 const project = {
 id: 1,
 path_with_namespace: 'root/project-a',
 } as ProjectSchema;

 const api = {
 Groups: {
 allProjects: vi.fn(async () => ({
 data: [project],
 paginationInfo: {
 next: 1,
 },
 })),
 allSubgroups: vi.fn(async () => ({
 data: [],
 paginationInfo: {
 next: null,
 },
 })),
 },
 } as unknown as InstanceType<typeof Gitlab>;

 const projects = await getGitLabProjectsForGroupTree(api, 'root');

 expect(projects).toEqual([project]);
 expect(api.Groups.allProjects).toHaveBeenCalledTimes(1);
});

104 changes: 97 additions & 7 deletions
packages/backend/src/gitlab.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
import { Gitlab, ProjectSchema } from "@gitbeaker/rest";
import { Gitlab, GroupSchema, ProjectSchema } from "@gitbeaker/rest";
import * as Sentry from "@sentry/node";
import { getTokenFromConfig } from "@sourcebot/shared";
import { createLogger } from "@sourcebot/shared";
Expand All@@ -10,6 +10,100 @@ import { fetchWithRetry, measure } from "./utils.js";

const logger = createLogger('gitlab');
export const GITLAB_CLOUD_HOSTNAME = "gitlab.com";
const GITLAB_PAGE_SIZE = 100;

type GitLabApi = InstanceType<typeof Gitlab>;

type GitLabPaginatedResponse<T> = {
 data: T[];
 paginationInfo?: {
 next: number | null;
 };
};

const fetchAllGitLabPages = async <T>(
 identifier: string,
 fetchPage: (page: number) => Promise<GitLabPaginatedResponse<T>>,
): Promise<T[]> => {
 const items: T[] = [];
 let page = 1;

 while (true) {
 const response = await fetchWithRetry(
 () => fetchPage(page),
 `${identifier} page ${page}`,
 logger,
 );

 items.push(...response.data);

 const nextPage = response.paginationInfo?.next;
 if (!nextPage) {
 break;
 }
 if (nextPage <= page) {
 logger.warn(`Stopping pagination for ${identifier}: GitLab returned non-advancing next page ${nextPage} after page ${page}.`);
 break;
 }

 page = nextPage;
 }
Comment thread
coderabbitai[bot] marked this conversation as resolved.


 return items;
};

export const getGitLabProjectsForGroupTree = async (
 api: GitLabApi,
 rootGroup: string,
): Promise<ProjectSchema[]> => {
 const projectsById = new Map<number, ProjectSchema>();
 const groupsToVisit: Array<string | number> = [rootGroup];
 let groupIndex = 0;
 const visitedGroups = new Set<string>();

 while (groupIndex < groupsToVisit.length) {
 const group = groupsToVisit[groupIndex++]!;
 const groupKey = String(group);
 if (visitedGroups.has(groupKey)) {
 continue;
 }
 visitedGroups.add(groupKey);

 const [projects, subgroups] = await Promise.all([
 fetchAllGitLabPages<ProjectSchema>(
 `projects for GitLab group ${groupKey}`,
 async (page) => api.Groups.allProjects(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 includeSubgroups: false,
 }) as Promise<GitLabPaginatedResponse<ProjectSchema>>,
 ),
 fetchAllGitLabPages<GroupSchema>(
 `subgroups for GitLab group ${groupKey}`,
 async (page) => api.Groups.allSubgroups(group, {
 perPage: GITLAB_PAGE_SIZE,
 page,
 pagination: 'offset',
 showExpanded: true,
 }) as Promise<GitLabPaginatedResponse<GroupSchema>>,
 ),
 ]);

 for (const project of projects) {
 projectsById.set(project.id, project);
 }

 for (const subgroup of subgroups) {
 groupsToVisit.push(subgroup.full_path ?? subgroup.id);
 }
 }

 logger.debug(`Fetched ${projectsById.size} projects across ${visitedGroups.size} GitLab group(s) under ${rootGroup}.`);

 return [...projectsById.values()];
};

export const createGitLabFromPersonalAccessToken = async ({ token, url }: { token?: string, url?: string }) => {
 const isGitLabCloud = url ? new URL(url).hostname === GITLAB_CLOUD_HOSTNAME : true;
Expand DownExpand Up@@ -81,11 +175,7 @@ export const getGitLabReposFromConfig = async (config: GitlabConnectionConfig) =
 try {
 logger.debug(`Fetching project info for group ${group}...`);
 const { durationMs, data } = await measure(async () => {
 const fetchFn = () => api.Groups.allProjects(group, {
 perPage: 100,
 includeSubgroups: true
 });
 return fetchWithRetry(fetchFn, `group ${group}`, logger);
 return getGitLabProjectsForGroupTree(api, group);
 });
 logger.debug(`Found ${data.length} projects in group ${group} in ${durationMs}ms.`);
 return {
Expand DownExpand Up@@ -333,4 +423,4 @@ export const getOAuthScopesForAuthenticatedUser = async (api: InstanceType<typeo
 logger.error('Failed to fetch OAuth scopes for authenticated user.', error);
 throw error;
 }
}
}