1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980
import { semver } from "../deps.ts";
import { git } from "./git.ts";import { ReleaseError } from "./error.ts";
const reTag = /tag:\s*([^,)]+)/g;const reCommitDetails = /^(.+);(.+);(.+)$/;
export interface Tag {  tag: string;  version: string;  hash: string;  date: Date;}
function filterByRange(tags: Tag[], range?: string) {  if (!range) {    return tags;  }
  return tags.filter((tag) => semver.satisfies(tag.version, range));}
function extractCommit(refs: string): Omit<Tag, "date" | "hash">[] {  const tagNames = [];  let match: RegExpExecArray | null;
  // Finding successive matches  // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec#Finding_successive_matches  while ((match = reTag.exec(refs)) !== null) {    tagNames.push(match[1]);  }
  return tagNames    .map((name) => ({      tag: name,      version: semver.valid(name),    }))    .filter((tag) => tag.version != null) as Omit<Tag, "date" | "hash">[];}
export function parseLine(line: string): Tag[] {  const match = reCommitDetails.exec(line);
  if (!match || match.length < 4) {    return [];  }
  const tags = extractCommit(match[1]);  const hash = match[2].trim();  const date = new Date(match[3].trim());
  return tags.map((tag) => Object.assign(tag, { hash, date }));}
interface FetchOptions {  range: string;  rev?: string;}
export async function fetchTags(repo: string, options?: FetchOptions | string) {  if (typeof options === "string") options = { range: options };  const range = options && options.range;  const rev = options && options.rev;  const fmt = '--pretty="%d;%H;%ci" --decorate=short';  const cmd = rev    ? `log --simplify-by-decoration ${fmt} ${rev}`    : `log --no-walk --tags ${fmt}`;
  const [status, output, err] = await git(repo, cmd);  if (!status.success) throw new ReleaseError("GIT_EXE", err);
  const lines = output.split("\n");  const tags = lines.map(parseLine).flat();
  return filterByRange(tags, range).sort((a, b) => {    return semver.rcompare(a.version, b.version);  });}