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import type { Logger } from '../utils/logger.js';
import {
applyPinToCatalogFile,
applyPinToVersionFile,
GITCORE_PIN_CATALOG_PATH,
GITCORE_PIN_VERSION_PATH,
parsePinBlock,
previewPinDiff,
type ApplyPinUpdateInput,
type PinBlock,
} from '../utils/pin-files.js';
import { DEFAULT_GITCORE_HOST } from '../config.js';
export type GitcoreFile = {
path: string;
content: string;
sha: string;
};
export type GitcoreFileBuffer = {
path: string;
content: Buffer;
sha: string;
apiSize: number;
blobSize: number;
};
export type CommitFilesInput = {
repo: string;
baseBranch: string;
newBranch: string;
message: string;
files: Array<{ path: string; content: string }>;
};
export type CreatePullRequestInput = {
repo: string;
base: string;
head: string;
title: string;
body: string;
assignees?: string[];
labels?: string[];
};
export type OpenPullRequest = {
url: string;
assignees: string[];
labels: string[];
title: string;
};
export type PreparedPinUpdate = {
oldPin: PinBlock;
versionPath: string;
catalogPath: string;
versionOld: string;
versionNew: string;
catalogOld: string;
catalogNew: string;
diff: string;
};
export interface IGitCoreService {
getAuthenticatedLogin(): Promise<string>;
getFile(repo: string, path: string, ref: string): Promise<GitcoreFile>;
getFileBuffer(repo: string, path: string, ref: string): Promise<GitcoreFileBuffer>;
getRefSha(repo: string, branch: string): Promise<string>;
createBranch(repo: string, newBranch: string, fromSha: string): Promise<void>;
commitFiles(input: CommitFilesInput): Promise<string>;
getCommitTreeSha(repo: string, commitSha: string): Promise<string>;
getCommitParents(repo: string, commitSha: string): Promise<string[]>;
createBlobBase64(repo: string, content: Buffer): Promise<string>;
createTree(
repo: string,
baseTreeSha: string,
entries: Array<{ path: string; sha: string }>,
): Promise<string>;
createCommit(repo: string, message: string, treeSha: string, parentSha: string): Promise<string>;
getBranchHeadSha(repo: string, branch: string): Promise<string | null>;
createRef(repo: string, branch: string, commitSha: string): Promise<void>;
updateRef(repo: string, branch: string, commitSha: string): Promise<void>;
findOpenPullRequest(repo: string, base: string, head: string): Promise<OpenPullRequest | null>;
createPullRequest(input: CreatePullRequestInput): Promise<string>;
addPullRequestComment(repo: string, prUrl: string, body: string): Promise<void>;
readSldsScsPin(repo: string, targetBranch: string): Promise<PinBlock>;
preparePinUpdate(
repo: string,
targetBranch: string,
update: Pick<ApplyPinUpdateInput, 'newVersion' | 'newSha256' | 'newSha1'>,
): Promise<PreparedPinUpdate>;
}
function coreRepo(releaseId: string): string {
return `core-2206/core-${releaseId}-public`;
}
export { coreRepo };
/**
* Gitcore access for release commands: file, ref, and commit reads; Git Data API writes;
* and pull requests through the `gh` CLI with GH_HOST. No Workspace checkout is needed.
*/
// Read / write gitcore repos via `gh api` (no Workspace checkout).
export class GitCoreService implements IGitCoreService {
constructor(
private readonly logger: Logger,
private readonly gitcoreHost = DEFAULT_GITCORE_HOST,
private readonly execaFn: typeof execa = execa,
) {}
// Run gitcore API requests with the configured host and optional request body.
private async ghApi(args: string[], options: { input?: string } = {}): Promise<string> {
const { stdout } = await this.execaFn('gh', ['api', ...args], {
env: { ...process.env, GH_HOST: this.gitcoreHost },
input: options.input,
});
return stdout;
}
// Reads: identify the signed-in user for release pull request metadata.
async getAuthenticatedLogin(): Promise<string> {
// Use fixed errors rather than passing through CLI output that may contain tokens or response bodies.
try {
const { stdout } = await this.execaFn('gh', ['api', 'user', '--jq', '.login'], {
env: { ...process.env, GH_HOST: this.gitcoreHost },
});
const login = stdout.trim();
if (!login) {
throw new Error('Could not resolve authenticated gitcore user');
}
return login;
} catch {
throw new Error('Could not resolve authenticated gitcore user');
}
}
// Reads: fetch a text file at a chosen ref for pin inspection and updates.
async getFile(repo: string, path: string, ref: string): Promise<GitcoreFile> {
const encodedPath = path
.split('/')
.map((p) => encodeURIComponent(p))
.join('/');
const raw = await this.ghApi([`repos/${repo}/contents/${encodedPath}?ref=${encodeURIComponent(ref)}`]);
const json = JSON.parse(raw) as { content?: string; encoding?: string; sha?: string; path?: string };
if (!json.content || !json.sha) {
throw new Error(`Unexpected contents response for ${repo}:${path}@${ref}`);
}
const content =
json.encoding === 'base64'
? Buffer.from(json.content.replace(/\n/g, ''), 'base64').toString('utf8')
: json.content;
return { path: json.path ?? path, content, sha: json.sha };
}
/**
* Reads: fetch Contents metadata, then the Git blob to preserve exact bytes.
* apiSize is the hydrated file size; blobSize is the stored blob size, which can
* be the pointer size for a large file stored elsewhere.
*/
async getFileBuffer(repo: string, path: string, ref: string): Promise<GitcoreFileBuffer> {
const encodedPath = path
.split('/')
.map((part) => encodeURIComponent(part))
.join('/');
const metadataRaw = await this.ghApi([
`repos/${repo}/contents/${encodedPath}?ref=${encodeURIComponent(ref)}`,
]);
const metadata = JSON.parse(metadataRaw) as { path?: string; sha?: string; size?: number };
if (
typeof metadata.sha !== 'string' ||
(metadata.path !== undefined && typeof metadata.path !== 'string') ||
!Number.isSafeInteger(metadata.size) ||
(metadata.size ?? -1) < 0
) {
throw new Error(`Unexpected contents response for ${repo}:${path}@${ref}`);
}
const blobRaw = await this.ghApi([`repos/${repo}/git/blobs/${encodeURIComponent(metadata.sha)}`]);
const blob = JSON.parse(blobRaw) as {
content?: string;
encoding?: string;
sha?: string;
size?: number;
};
if (
typeof blob.content !== 'string' ||
blob.encoding !== 'base64' ||
typeof blob.sha !== 'string' ||
blob.sha !== metadata.sha ||
!Number.isSafeInteger(blob.size) ||
(blob.size ?? -1) < 0
) {
throw new Error(`Unexpected blob response for ${repo}:${path}@${ref}`);
}
const encodedContent = blob.content.replace(/\n/g, '');
if (!/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$/.test(encodedContent)) {
throw new Error(`Unexpected blob response for ${repo}:${path}@${ref}`);
}
const content = Buffer.from(encodedContent, 'base64');
if (content.length !== blob.size) {
throw new Error(`Git blob size mismatch for ${repo}:${path}@${ref}`);
}
return {
path: metadata.path ?? path,
sha: blob.sha,
apiSize: metadata.size as number,
blobSize: blob.size as number,
content,
};
}
// Reads: resolve the base branch commit before building a release commit.
async getRefSha(repo: string, branch: string): Promise<string> {
const raw = await this.ghApi([`repos/${repo}/git/ref/heads/${branch}`]);
const json = JSON.parse(raw) as { object?: { sha?: string } };
if (!json.object?.sha) {
throw new Error(`Could not resolve ref heads/${branch} on ${repo}`);
}
return json.object.sha;
}
// Git Data writes: start the pin-update branch at the chosen base commit.
async createBranch(repo: string, newBranch: string, fromSha: string): Promise<void> {
this.logger.step(`Create branch ${newBranch} on ${repo}`);
await this.ghApi([`--method`, `POST`, `repos/${repo}/git/refs`, `--input`, `-`], {
input: JSON.stringify({
ref: `refs/heads/${newBranch}`,
sha: fromSha,
}),
});
}
// Pin update: keep the bump-bazel-pin branch and its file changes in one call.
async commitFiles(input: CommitFilesInput): Promise<string> {
const { repo, baseBranch, newBranch, message, files } = input;
this.logger.step(`Commit ${files.length} file(s) on ${newBranch}`);
// Compose the shared Git Data API primitives: resolve the base, create the
// branch at it, build blobs + tree + commit, then move the branch ref to the
// new commit. Blobs are byte-exact (base64); for UTF-8 text this yields the
// same blob SHA as a utf-8 blob.
const baseSha = await this.getRefSha(repo, baseBranch);
await this.createBranch(repo, newBranch, baseSha);
const baseTreeSha = await this.getCommitTreeSha(repo, baseSha);
const entries = await Promise.all(
files.map(async (file) => ({
path: file.path,
sha: await this.createBlobBase64(repo, Buffer.from(file.content, 'utf8')),
})),
);
const treeSha = await this.createTree(repo, baseTreeSha, entries);
const newCommitSha = await this.createCommit(repo, message, treeSha, baseSha);
await this.updateRef(repo, newBranch, newCommitSha);
return newCommitSha;
}
// Reads: find the base tree so new files can be committed without replacing the rest.
async getCommitTreeSha(repo: string, commitSha: string): Promise<string> {
const message = `Could not resolve commit ${commitSha} on ${repo}`;
try {
const json: unknown = JSON.parse(await this.ghApi([`repos/${repo}/git/commits/${commitSha}`]));
if (!isRecord(json) || !isRecord(json.tree) || typeof json.tree.sha !== 'string') {
throw new Error(message);
}
return json.tree.sha;
} catch (error) {
Eif (error instanceof Error && error.message === message) {
throw error;
}
throw new Error(message);
}
}
// Reads: inspect parent commits when checking an existing release commit.
async getCommitParents(repo: string, commitSha: string): Promise<string[]> {
const message = `Could not resolve commit parents for ${commitSha} on ${repo}`;
try {
const json: unknown = JSON.parse(await this.ghApi([`repos/${repo}/git/commits/${commitSha}`]));
if (
!isRecord(json) ||
!Array.isArray(json.parents) ||
!json.parents.every((parent) => isRecord(parent) && typeof parent.sha === 'string')
) {
throw new Error(message);
}
return json.parents.map((parent) => parent.sha as string);
} catch (error) {
Eif (error instanceof Error && error.message === message) throw error;
throw new Error(message);
}
}
// Git Data writes: encode bytes as base64 so uploaded blobs are byte-exact, not UTF-8 text.
async createBlobBase64(repo: string, content: Buffer): Promise<string> {
const message = `Unexpected blob response on ${repo}`;
try {
const raw = await this.ghApi([`--method`, `POST`, `repos/${repo}/git/blobs`, `--input`, `-`], {
input: JSON.stringify({ content: content.toString('base64'), encoding: 'base64' }),
});
const json: unknown = JSON.parse(raw);
if (
!isRecord(json) ||
typeof json.sha !== 'string' ||
!/^(?:[0-9a-f]{40}|[0-9a-f]{64})$/i.test(json.sha)
) {
throw new Error(message);
}
return json.sha;
} catch (error) {
Eif (error instanceof Error && error.message === message) {
throw error;
}
throw new Error(message);
}
}
// Git Data writes: preserve the base tree and add ordinary 100644 file entries.
async createTree(
repo: string,
baseTreeSha: string,
entries: Array<{ path: string; sha: string }>,
): Promise<string> {
const message = `Unexpected tree response on ${repo}`;
try {
const raw = await this.ghApi([`--method`, `POST`, `repos/${repo}/git/trees`, `--input`, `-`], {
input: JSON.stringify({
base_tree: baseTreeSha,
tree: entries.map((entry) => ({
path: entry.path,
mode: '100644',
type: 'blob',
sha: entry.sha,
})),
}),
});
const json: unknown = JSON.parse(raw);
if (!isRecord(json) || typeof json.sha !== 'string') {
throw new Error(message);
}
return json.sha;
} catch (error) {
Eif (error instanceof Error && error.message === message) {
throw error;
}
throw new Error(message);
}
}
// Git Data writes: create one commit with a single parent on the chosen base.
async createCommit(repo: string, message: string, treeSha: string, parentSha: string): Promise<string> {
const errorMessage = `Unexpected commit response on ${repo}`;
try {
const raw = await this.ghApi([`--method`, `POST`, `repos/${repo}/git/commits`, `--input`, `-`], {
input: JSON.stringify({ message, tree: treeSha, parents: [parentSha] }),
});
const json: unknown = JSON.parse(raw);
if (!isRecord(json) || typeof json.sha !== 'string') {
throw new Error(errorMessage);
}
return json.sha;
} catch (error) {
Eif (error instanceof Error && error.message === errorMessage) {
throw error;
}
throw new Error(errorMessage);
}
}
// Reads: check the current branch head; a missing ref (404) returns null.
async getBranchHeadSha(repo: string, branch: string): Promise<string | null> {
const message = `Could not read ref heads/${branch} on ${repo}`;
try {
const json: unknown = JSON.parse(await this.ghApi([`repos/${repo}/git/ref/heads/${branch}`]));
if (!isRecord(json) || !isRecord(json.object) || typeof json.object.sha !== 'string') {
throw new Error(message);
}
return json.object.sha;
} catch (error) {
if (isNotFoundError(error)) {
return null;
}
throw new Error(message);
}
}
// Git Data writes: POST a new branch ref after its commit is ready.
async createRef(repo: string, branch: string, commitSha: string): Promise<void> {
await this.ghApi([`--method`, `POST`, `repos/${repo}/git/refs`, `--input`, `-`], {
input: JSON.stringify({ ref: `refs/heads/${branch}`, sha: commitSha }),
});
}
// Git Data writes: PATCH an existing branch ref to move it to the new commit.
async updateRef(repo: string, branch: string, commitSha: string): Promise<void> {
await this.ghApi([`--method`, `PATCH`, `repos/${repo}/git/refs/heads/${branch}`, `--input`, `-`], {
input: JSON.stringify({ sha: commitSha, force: false }),
});
}
// Pull requests: find an open match before creating a duplicate release PR.
async findOpenPullRequest(repo: string, base: string, head: string): Promise<OpenPullRequest | null> {
const message = `Unexpected pull request response on ${repo}`;
try {
const { stdout } = await this.execaFn(
'gh',
[
'pr',
'list',
'--repo',
repo,
'--base',
base,
'--head',
head,
'--state',
'open',
'--json',
'url,title,labels,assignees',
],
{ env: { ...process.env, GH_HOST: this.gitcoreHost } },
);
const json: unknown = JSON.parse(stdout);
Iif (!Array.isArray(json)) {
throw new Error(message);
}
if (json.length === 0) {
return null;
}
const pullRequest = json[0];
if (
!isRecord(pullRequest) ||
typeof pullRequest.url !== 'string' ||
typeof pullRequest.title !== 'string' ||
!Array.isArray(pullRequest.labels) ||
!Array.isArray(pullRequest.assignees) ||
!pullRequest.labels.every((label) => isRecord(label) && typeof label.name === 'string') ||
!pullRequest.assignees.every((assignee) => isRecord(assignee) && typeof assignee.login === 'string')
) {
throw new Error(message);
}
return {
url: pullRequest.url,
title: pullRequest.title,
labels: pullRequest.labels.map((label) => label.name as string),
assignees: pullRequest.assignees.map((assignee) => assignee.login as string),
};
} catch (error) {
Eif (error instanceof Error && error.message === message) {
throw error;
}
throw new Error(message);
}
}
// Pull requests: open the release PR with any requested assignees and labels.
async createPullRequest(input: CreatePullRequestInput): Promise<string> {
this.logger.step(`Create PR ${input.head} → ${input.base} on ${input.repo}`);
const args = [
'pr',
'create',
'--repo',
input.repo,
'--base',
input.base,
'--head',
input.head,
'--title',
input.title,
'--body',
input.body,
];
for (const assignee of input.assignees ?? []) {
args.push('--assignee', assignee);
}
for (const label of input.labels ?? []) {
args.push('--label', label);
}
const { stdout } = await this.execaFn('gh', args, { env: { ...process.env, GH_HOST: this.gitcoreHost } });
return stdout.trim();
}
// Pull requests: attach the validation summary to the release PR.
async addPullRequestComment(repo: string, prUrl: string, body: string): Promise<void> {
await this.execaFn('gh', ['pr', 'comment', prUrl, '--repo', repo, '--body', body], {
env: { ...process.env, GH_HOST: this.gitcoreHost },
});
}
// Pin helpers: read the version and checksum files together for the slds-scs Bazel pin.
async readSldsScsPin(repo: string, targetBranch: string): Promise<PinBlock> {
const versionFile = await this.getFile(repo, GITCORE_PIN_VERSION_PATH, targetBranch);
const catalogFile = await this.getFile(repo, GITCORE_PIN_CATALOG_PATH, targetBranch);
return parsePinBlock(versionFile.content, catalogFile.content);
}
// Pin helpers: prepare both Bazel pin edits and a preview without writing to gitcore.
async preparePinUpdate(
repo: string,
targetBranch: string,
update: Pick<ApplyPinUpdateInput, 'newVersion' | 'newSha256' | 'newSha1'>,
): Promise<PreparedPinUpdate> {
const versionFile = await this.getFile(repo, GITCORE_PIN_VERSION_PATH, targetBranch);
const catalogFile = await this.getFile(repo, GITCORE_PIN_CATALOG_PATH, targetBranch);
const oldPin = parsePinBlock(versionFile.content, catalogFile.content);
const input: ApplyPinUpdateInput = {
oldVersion: oldPin.version,
newVersion: update.newVersion,
oldSha256: oldPin.sha256,
newSha256: update.newSha256,
oldSha1: oldPin.sha1,
newSha1: update.newSha1,
};
const versionNew = applyPinToVersionFile(versionFile.content, input);
const catalogNew = applyPinToCatalogFile(catalogFile.content, input);
const diff = previewPinDiff(versionFile.content, versionNew, catalogFile.content, catalogNew);
return {
oldPin,
versionPath: GITCORE_PIN_VERSION_PATH,
catalogPath: GITCORE_PIN_CATALOG_PATH,
versionOld: versionFile.content,
versionNew,
catalogOld: catalogFile.content,
catalogNew,
diff,
};
}
}
function isRecord(value: unknown): value is Record<string, unknown> {
return typeof value === 'object' && value !== null && !Array.isArray(value);
}
function isNotFoundError(error: unknown): boolean {
Iif (!isRecord(error)) {
return false;
}
Iif (error.statusCode === 404) {
return true;
}
return typeof error.stderr === 'string' && /\b404\b/.test(error.stderr);
}
|