| 1 | import fs from 'fs' |
| 2 | import path from 'path' |
| 3 | import * as git from 'isomorphic-git' |
| 4 | |
| 5 | const AUTHOR = { name: 'Oh My PPT HTML Editor', email: 'html-editor@oh-my-ppt.local' } |
| 6 | |
| 7 | /** 确保 dir 下有 git 仓库（内容版本由 git 管理）。 */ |
| 8 | export async function ensureHtmlRepo(dir: string): Promise<void> { |
| 9 | await fs.promises.mkdir(dir, { recursive: true }) |
| 10 | const gitDir = path.join(dir, '.git') |
| 11 | if (!fs.existsSync(gitDir)) { |
| 12 | await git.init({ fs, dir, defaultBranch: 'main' }) |
| 13 | await git.setConfig({ fs, dir, path: 'user.name', value: AUTHOR.name }) |
| 14 | await git.setConfig({ fs, dir, path: 'user.email', value: AUTHOR.email }) |
| 15 | } |
| 16 | } |
| 17 | |
| 18 | export async function getHtmlRepoHead(dir: string): Promise<string> { |
| 19 | return git.resolveRef({ fs, dir, ref: 'HEAD' }) |
| 20 | } |
| 21 | |
| 22 | export async function restoreHtmlRepoHead(dir: string, commitSha: string): Promise<void> { |
| 23 | const currentBranchRef = await git.currentBranch({ fs, dir, fullname: true }) |
| 24 | await git.writeRef({ |
| 25 | fs, |
| 26 | dir, |
| 27 | ref: currentBranchRef || 'HEAD', |
| 28 | value: commitSha, |
| 29 | force: true |
| 30 | }) |
| 31 | } |
| 32 | |
| 33 | export async function restoreHtmlFileAtCommit( |
| 34 | dir: string, |
| 35 | filepath: string, |
| 36 | commitSha: string |
| 37 | ): Promise<void> { |
| 38 | await git.checkout({ |
| 39 | fs, |
| 40 | dir, |
| 41 | ref: commitSha, |
| 42 | filepaths: [filepath], |
| 43 | noUpdateHead: true, |
| 44 | force: true |
| 45 | }) |
| 46 | } |
| 47 | |
| 48 | /** 提交 dir 下 filepath（相对路径）的当前内容，返回 commit sha。 */ |
| 49 | export async function commitHtmlFile( |
| 50 | dir: string, |
| 51 | filepath: string, |
| 52 | message: string |
| 53 | ): Promise<string> { |
| 54 | await git.add({ fs, dir, filepath }) |
| 55 | return git.commit({ fs, dir, message, author: AUTHOR }) |
| 56 | } |
| 57 | |
| 58 | /** 读取某 commit 下 filepath 的内容（用于恢复版本）。 */ |
| 59 | export async function readHtmlAtCommit( |
| 60 | dir: string, |
| 61 | filepath: string, |
| 62 | oid: string |
| 63 | ): Promise<string> { |
| 64 | const { blob } = await git.readBlob({ fs, dir, oid, filepath }) |
| 65 | return Buffer.from(blob).toString('utf-8') |
| 66 | } |
| 67 |