@conventional-changelog/git-client
Version:
Simple git client for conventional changelog packages.
243 lines • 15.7 kB
JavaScript
import { spawn } from 'child_process';
import { firstFromStream, splitStream } from '@simple-libs/stream-utils';
import { output, outputStream } from '@simple-libs/child-process-utils';
import { formatArgs, toArray } from './utils.js';
const SCISSOR = '------------------------ >8 ------------------------';
/**
* Wrapper around Git CLI.
*/
export class GitClient {
cwd;
debug;
constructor(cwd, debug) {
this.cwd = cwd;
this.debug = debug;
}
formatArgs(...args) {
const finalArgs = formatArgs(...args);
if (this.debug) {
this.debug(finalArgs);
}
return finalArgs;
}
/**
* Raw exec method to run git commands.
* @param args
* @returns Stdout string output of the command.
*/
async exec(...args) {
return (await output(spawn('git', this.formatArgs(...args), {
cwd: this.cwd
}))).toString().trim();
}
/**
* Raw exec method to run git commands with stream output.
* @param args
* @returns Stdout stream of the command.
*/
execStream(...args) {
return outputStream(spawn('git', this.formatArgs(...args), {
cwd: this.cwd
}));
}
/**
* Initialize a new git repository.
* @returns Boolean result.
*/
async init() {
try {
await this.exec('init');
return true;
}
catch (err) {
return false;
}
}
/**
* Get raw commits stream.
* @param params
* @param params.path - Read commits from specific path.
* @param params.from - Start commits range.
* @param params.to - End commits range.
* @param params.format - Commits format.
* @yields Raw commits data.
*/
async *getRawCommits(params = {}) {
const { path, from = '', to = 'HEAD', format = '%B', ignore, reverse, merges, since } = params;
const shouldNotIgnore = ignore
? (chunk) => !ignore.test(chunk)
: () => true;
const stdout = this.execStream('log', `--format=${format}%n${SCISSOR}`, since && `--since=${since instanceof Date ? since.toISOString() : since}`, reverse && '--reverse', merges && '--merges', merges === false && '--no-merges', [from, to].filter(Boolean).join('..'), ...path ? ['--', ...toArray(path)] : []);
const commitsStream = splitStream(stdout, `${SCISSOR}\n`);
let chunk;
for await (chunk of commitsStream) {
if (shouldNotIgnore(chunk)) {
yield chunk;
}
}
}
/**
* Get tags stream.
* @param params
* @yields Tags
*/
async *getTags(params = {}) {
const { path, from = '', to = 'HEAD', since } = params;
const tagRegex = /tag:\s*(.+?)[,)]/gi;
const stdout = this.execStream('log', '--decorate', '--no-color', '--date-order', since && `--since=${since instanceof Date ? since.toISOString() : since}`, [from, to].filter(Boolean).join('..'), ...path ? ['--', ...toArray(path)] : []);
let chunk;
let matches;
let tag;
for await (chunk of stdout) {
matches = chunk.toString().trim().matchAll(tagRegex);
for ([, tag] of matches) {
yield tag;
}
}
}
/**
* Get last tag.
* @param params
* @returns Last tag, `null` if not found.
*/
async getLastTag(params) {
return firstFromStream(this.getTags(params));
}
/**
* Check file is ignored via .gitignore.
* @param file - Path to target file.
* @returns Boolean value.
*/
async checkIgnore(file) {
try {
await this.exec('check-ignore', '--', file);
return true;
}
catch (err) {
return false;
}
}
/**
* Add files to git index.
* @param files - Files to stage.
*/
async add(files) {
await this.exec('add', '--', ...toArray(files));
}
/**
* Commit changes.
* @param params
* @param params.verify
* @param params.sign
* @param params.files
* @param params.allowEmpty
* @param params.message
*/
async commit(params) {
const { verify = true, sign = false, files = [], allowEmpty = false, message } = params;
await this.exec('commit', !verify && '--no-verify', sign && '-S', allowEmpty && '--allow-empty', '-m', message, '--', ...files);
}
/**
* Create a tag for the current commit.
* @param params
* @param params.sign
* @param params.name
* @param params.message
*/
async tag(params) {
let { sign = false, name, message } = params;
if (sign) {
message = '';
}
await this.exec('tag', sign && '-s', message && '-a', ...message ? ['-m', message] : [], '--', name);
}
/**
* Get current branch name.
* @returns Current branch name.
*/
async getCurrentBranch() {
const branch = await this.exec('rev-parse', '--abbrev-ref', 'HEAD');
return branch;
}
/**
* Get default branch name.
* @returns Default branch name.
*/
async getDefaultBranch() {
const branch = (await this.exec('rev-parse', '--abbrev-ref', 'origin/HEAD')).replace(/^origin\//, '');
return branch;
}
/**
* Push changes to remote.
* @param branch
* @param params
* @param params.verify
*/
async push(branch, params = {}) {
const { verify = true, tags = false, followTags = false, force = false } = params;
await this.exec('push', followTags && '--follow-tags', tags && '--tags', !verify && '--no-verify', force && '--force', 'origin', '--', branch);
}
/**
* Verify rev exists.
* @param rev
* @param safe - If `true`, will not throw error if rev not found.
* @returns Target hash.
*/
async verify(rev, safe) {
let git = this.exec('rev-parse', '--verify', rev);
if (safe) {
git = git.catch(() => '');
}
return await git;
}
/**
* Get config value by key.
* @param key - Config key.
* @returns Config value.
*/
async getConfig(key) {
return await this.exec('config', '--get', '--', key);
}
/**
* Set config value by key.
* @param key - Config key.
* @param value - Config value.
*/
async setConfig(key, value) {
await this.exec('config', '--', key, value);
}
/**
* Fetch changes from remote.
* @param params
*/
async fetch(params = {}) {
const { prune = false, unshallow = false, tags = false, all = false, remote, branch } = params;
await this.exec('fetch', prune && '--prune', unshallow && '--unshallow', tags && '--tags', all && '--all', ...remote && branch ? [
'--',
remote,
branch
] : []);
}
/**
* Create a new branch.
* @param branch - Branch name.
*/
async createBranch(branch) {
await this.exec('checkout', '-b', branch);
}
/**
* Delete a branch.
* @param branch - Branch name.
*/
async deleteBranch(branch) {
await this.exec('branch', '-D', '--', branch);
}
/**
* Checkout a branch.
* @param branch - Branch name.
*/
async checkout(branch) {
await this.exec('checkout', branch);
}
}
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