Colin McDonnell
56 lines
1.8 KiB
TypeScript
56 lines
1.8 KiB
TypeScript
import { type } from "arktype";
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import { log } from "../utils/cli.ts";
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import { $ } from "../utils/shell.ts";
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import { contextualize, tool } from "./shared.ts";
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export const PullRequestInfo = type({
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pull_number: type.number.describe("The pull request number to fetch"),
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});
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export const PullRequestInfoTool = tool({
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name: "get_pull_request",
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description:
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"Retrieve PR information and automatically prepare the repository for review by fetching and checking out the PR branch.",
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parameters: PullRequestInfo,
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execute: contextualize(async ({ pull_number }, ctx) => {
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const pr = await ctx.octokit.rest.pulls.get({
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owner: ctx.owner,
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repo: ctx.name,
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pull_number,
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});
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const data = pr.data;
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const baseBranch = data.base.ref;
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const headBranch = data.head.ref;
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if (!baseBranch) {
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throw new Error(`Base branch not found for PR #${pull_number}`);
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}
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// Automatically fetch and checkout branches for review
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log.info(`Fetching base branch: origin/${baseBranch}`);
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$("git", ["fetch", "origin", baseBranch, "--depth=20"]);
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// use GitHub's PR ref which works for both fork and non-fork PRs
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// refs/pull/{number}/head always points to the PR head commit
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log.info(`Fetching PR #${pull_number} using refs/pull/${pull_number}/head`);
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$("git", ["fetch", "origin", `refs/pull/${pull_number}/head`]);
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log.info(`Checking out PR branch: ${headBranch}`);
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// check out a local branch from FETCH_HEAD (the PR ref we just fetched)
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$("git", ["checkout", "-B", headBranch, "FETCH_HEAD"]);
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return {
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number: data.number,
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url: data.html_url,
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title: data.title,
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state: data.state,
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draft: data.draft,
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merged: data.merged,
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base: baseBranch,
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head: headBranch,
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};
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}),
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});
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