Files
clawdbot/scripts/sync-labels.ts
2026-01-25 20:38:44 -06:00

108 lines
2.7 KiB
TypeScript

import { execFileSync } from "node:child_process";
import { readFileSync } from "node:fs";
import { resolve } from "node:path";
type RepoLabel = {
name: string;
color?: string;
};
const COLOR_BY_PREFIX = new Map<string, string>([
["channel", "1d76db"],
["app", "6f42c1"],
["extensions", "0e8a16"],
["docs", "0075ca"],
["cli", "f9d0c4"],
["gateway", "d4c5f9"],
]);
const configPath = resolve(".github/labeler.yml");
const labelNames = extractLabelNames(readFileSync(configPath, "utf8"));
if (!labelNames.length) {
throw new Error("labeler.yml must declare at least one label.");
}
const repo = resolveRepo();
const existing = fetchExistingLabels(repo);
const missing = labelNames.filter((label) => !existing.has(label));
if (!missing.length) {
console.log("All labeler labels already exist.");
process.exit(0);
}
for (const label of missing) {
const color = pickColor(label);
execFileSync(
"gh",
[
"api",
"-X",
"POST",
`repos/${repo}/labels`,
"-f",
`name=${label}`,
"-f",
`color=${color}`,
],
{ stdio: "inherit" },
);
console.log(`Created label: ${label}`);
}
function extractLabelNames(contents: string): string[] {
const labels: string[] = [];
for (const line of contents.split("\n")) {
if (!line.trim() || line.trimStart().startsWith("#")) {
continue;
}
if (/^\s/.test(line)) {
continue;
}
const match = line.match(/^(["'])(.+)\1\s*:/) ?? line.match(/^([^:]+):/);
if (match) {
const name = (match[2] ?? match[1] ?? "").trim();
if (name) {
labels.push(name);
}
}
}
return labels;
}
function pickColor(label: string): string {
const prefix = label.includes(":") ? label.split(":", 1)[0].trim() : label.trim();
return COLOR_BY_PREFIX.get(prefix) ?? "ededed";
}
function resolveRepo(): string {
const remote = execFileSync("git", ["config", "--get", "remote.origin.url"], {
encoding: "utf8",
}).trim();
if (!remote) {
throw new Error("Unable to determine repository from git remote.");
}
if (remote.startsWith("git@github.com:")) {
return remote.replace("git@github.com:", "").replace(/\.git$/, "");
}
if (remote.startsWith("https://github.com/")) {
return remote.replace("https://github.com/", "").replace(/\.git$/, "");
}
throw new Error(`Unsupported GitHub remote: ${remote}`);
}
function fetchExistingLabels(repo: string): Map<string, RepoLabel> {
const raw = execFileSync(
"gh",
["api", `repos/${repo}/labels?per_page=100`, "--paginate"],
{ encoding: "utf8" },
);
const labels = JSON.parse(raw) as RepoLabel[];
return new Map(labels.map((label) => [label.name, label]));
}