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fix(apps): bootstrap empty repos before the Git Data push

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GitHub's Git Data API (blobs/trees/commits) returns 409 'Git Repository is
empty' on a repo with no commits — it cannot create the first commit. Ensure
main exists via a Contents API bootstrap commit (the generated README), then
chain the publish commit onto it.
This commit is contained in:
Gagan 2026-07-06 16:17:26 +05:30
parent 684ec0b390
commit beaf6ebf69
1 changed files with 18 additions and 12 deletions
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30
apps/x/packages/core/src/apps/publisher.ts
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@ -165,6 +165,23 @@ async function pushSource(token: string, login: string, repoName: string, folder
const dir = appDir(folder);
const files = await collectSourceFiles(dir);
// The Git Data API (blobs/trees/commits) answers 409 "Git Repository is
// empty" on a repo with no commits — it cannot bootstrap an empty repo.
// Ensure main exists first via the Contents API, then chain onto it.
let parents: string[] = [];
try {
const ref = await gh<{ object: { sha: string } }>(token, 'GET', `/repos/${login}/${repoName}/git/ref/heads/main`);
parents = [ref.object.sha];
} catch {
await gh(token, 'PUT', `/repos/${login}/${repoName}/contents/README.md`, {
message: 'bootstrap',
content: Buffer.from(generatedReadme(manifest)).toString('base64'),
branch: 'main',
});
const ref = await gh<{ object: { sha: string } }>(token, 'GET', `/repos/${login}/${repoName}/git/ref/heads/main`);
parents = [ref.object.sha];
}
type TreeEntry = { path: string; mode: '100644'; type: 'blob'; sha: string };
const tree: TreeEntry[] = [];
for (const rel of files) {
@ -189,24 +206,13 @@ async function pushSource(token: string, login: string, repoName: string, folder
const treeRes = await gh<{ sha: string }>(token, 'POST', `/repos/${login}/${repoName}/git/trees`, { tree });
// Parent-less commit for an empty repo; otherwise chain onto main.
let parents: string[] = [];
try {
const ref = await gh<{ object: { sha: string } }>(token, 'GET', `/repos/${login}/${repoName}/git/ref/heads/main`);
parents = [ref.object.sha];
} catch { /* empty repo */ }
const commit = await gh<{ sha: string }>(token, 'POST', `/repos/${login}/${repoName}/git/commits`, {
message: `Publish ${manifest.name} v${version}`,
tree: treeRes.sha,
parents,
});
if (parents.length) {
await gh(token, 'PATCH', `/repos/${login}/${repoName}/git/refs/heads/main`, { sha: commit.sha, force: false });
} else {
await gh(token, 'POST', `/repos/${login}/${repoName}/git/refs`, { ref: 'refs/heads/main', sha: commit.sha });
}
await gh(token, 'PATCH', `/repos/${login}/${repoName}/git/refs/heads/main`, { sha: commit.sha, force: false });
}
async function uploadAsset(token: string, uploadUrlBase: string, name: string, data: Buffer, contentType: string): Promise<void> {