Files
shockbot/mcp/commitInfo.ts
T

59 lines
2.3 KiB
TypeScript

import { writeFileSync } from "node:fs";
import { join } from "node:path";
import { type } from "arktype";
import { log } from "../utils/cli.ts";
import { formatFilesWithLineNumbers, type DiffFile } from "./checkout.ts";
import type { ToolContext } from "./server.ts";
import { execute, tool } from "./shared.ts";
export const CommitInfo = type({
sha: type.string.describe("the commit SHA (full or abbreviated) to fetch"),
});
export function CommitInfoTool(ctx: ToolContext) {
return tool({
name: "get_commit_info",
description:
"Retrieve commit metadata and diff via Gitea API. Returns diffPath pointing to formatted diff file. " +
'Example: `get_commit_info({ sha: "2a6ab5d" })`.',
parameters: CommitInfo,
execute: execute(async ({ sha }) => {
const result = await ctx.gitea.rest.repository.repoGetSingleCommit({
owner: ctx.repo.owner,
repo: ctx.repo.name,
sha,
});
const data = result.data;
// The SDK's CommitAffectedFiles type omits `patch`, which Gitea does return
// in practice. Cast explicitly so we can pass it to formatFilesWithLineNumbers.
const files: DiffFile[] = (data.files ?? []).map((f) => ({
filename: f.filename,
patch: (f as unknown as { patch?: string }).patch,
}));
const formatResult = formatFilesWithLineNumbers(files);
const tempDir = process.env.SHOCKBOT_TEMP_DIR;
if (!tempDir) {
throw new Error("SHOCKBOT_TEMP_DIR not set - get_commit_info must run in shockbot action context");
}
const diffFile = join(tempDir, `commit-${sha.slice(0, 7)}.diff`);
writeFileSync(diffFile, formatResult.content);
log.debug(`wrote commit diff to ${diffFile} (${formatResult.content.length} bytes)`);
return {
sha: data.sha,
message: data.commit?.message,
author: data.author?.login ?? data.commit?.author?.name ?? null,
committer: data.committer?.login ?? data.commit?.committer?.name ?? null,
date: data.commit?.author?.date ?? data.commit?.committer?.date ?? "",
url: data.html_url,
parents: (data.parents ?? []).map((p) => p.sha),
stats: data.stats ?? { additions: 0, deletions: 0, total: 0 },
fileCount: files.length,
diffFile,
};
}),
});
}