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import { CCCommit, ccparse } from "../deps.ts";
import { git } from "./git.ts";import type { Tag } from "./tags.ts";import { ReleaseError } from "./error.ts";
export interface RawCommit {  hash: string;  title: string;  description: string;  author: string;  cc: CCCommit;}
export async function fetchRawCommits(  repo: string,  rev?: string,): Promise<RawCommit[]> {  const inner = Date.now();  const outer = inner - 1;
  // How the output shoud look like  const spec = ["s", "n", "ae", "b"]; // add at  const format = `${inner} %${spec.join(`${inner}%`)}${outer}`;
  const [status, output, err] = await git(repo, [    "rev-list",    `--pretty=format:${format}`,    "--header",    rev ?? "HEAD",  ]);  if (!status.success) throw new ReleaseError("GIT_EXE", err);
  let commits: RawCommit[] = [];  const parts = output    .split(String(outer))    .map((item) => item.trim())    .filter((item) => item.length)    .map((item) => {      const splitted = item.split(String(inner));      const details = splitted.map((i) => i.trim()).filter((i) => i);      const hash = details[0].split(" ")[1];      const title = details[1] || "";      const description = details[3] || "";      const author = details[2];
      const body = `${title}\n${description}`;      const cc = ccparse(body);
      return {        hash,        title,        description,        author,        cc,      };    })    .filter((i) => i);
  commits = commits.concat(parts);  return commits;}
export interface Commit extends RawCommit {  belongs: Tag | null;}
export async function fetchCommits(  repo: string,  tags: Tag[],): Promise<Commit[]> {  let all: Commit[] = [];
  async function add(rev: string | undefined, belongs: Tag | null) {    const commits = await fetchRawCommits(repo, rev);    all = all.concat(      commits.map((_) => ({        ..._,        belongs,      })),    );  }
  if (tags.length === 0) {    await add(undefined, null);    return all;  }
  let child = tags[0];  let parent = tags[0];
  if (child) {    await add(`${child.hash}..HEAD`, null);  }
  for (let i = 0; i < tags.length - 1; i++) {    child = tags[i];    parent = tags[i + 1];    await add(`${parent.hash}..${child.hash}`, child);  }
  if (parent) {    await add(parent.hash, parent);  }
  return all;}