97 lines
2.9 KiB
JavaScript
Executable File
97 lines
2.9 KiB
JavaScript
Executable File
#!/usr/bin/env node
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// Usage: tools/update-author.js [--dry]
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// Passing --dry will redirect output to stdout rather than write to 'AUTHORS'.
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'use strict';
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const { spawn } = require('child_process');
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const path = require('path');
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const fs = require('fs');
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const readline = require('readline');
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class CaseIndifferentMap {
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_map = new Map();
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get(key) { return this._map.get(key.toLowerCase()); }
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set(key, value) { return this._map.set(key.toLowerCase(), value); }
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}
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const log = spawn(
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'git',
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// Inspect author name/email and body.
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['log', '--reverse', '--format=Author: %aN <%aE>\n%b'], {
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stdio: ['inherit', 'pipe', 'inherit']
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});
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const rl = readline.createInterface({ input: log.stdout });
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let output;
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if (process.argv.includes('--dry'))
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output = process.stdout;
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else
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output = fs.createWriteStream('AUTHORS');
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output.write('# Authors ordered by first contribution.\n\n');
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const mailmap = new CaseIndifferentMap();
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{
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const lines = fs.readFileSync(path.resolve(__dirname, '../', '.mailmap'),
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{ encoding: 'utf8' }).split('\n');
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for (let line of lines) {
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line = line.trim();
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if (line.startsWith('#') || line === '') continue;
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let match;
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// Replaced Name <original@example.com>
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if (match = line.match(/^([^<]+)\s+(<[^>]+>)$/)) {
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mailmap.set(match[2], { author: match[1] });
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// <replaced@example.com> <original@example.com>
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} else if (match = line.match(/^<([^>]+)>\s+(<[^>]+>)$/)) {
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mailmap.set(match[2], { email: match[1] });
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// Replaced Name <replaced@example.com> <original@example.com>
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} else if (match = line.match(/^([^<]+)\s+(<[^>]+>)\s+(<[^>]+>)$/)) {
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mailmap.set(match[3], {
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author: match[1], email: match[2]
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});
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// Replaced Name <replaced@example.com> Original Name <original@example.com>
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} else if (match =
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line.match(/^([^<]+)\s+(<[^>]+>)\s+([^<]+)\s+(<[^>]+>)$/)) {
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mailmap.set(match[3] + '\0' + match[4], {
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author: match[1], email: match[2]
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});
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} else {
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console.warn('Unknown .mailmap format:', line);
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}
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}
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}
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const seen = new Set();
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// Support regular git author metadata, as well as `Author:` and
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// `Co-authored-by:` in the message body. Both have been used in the past
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// to indicate multiple authors per commit, with the latter standardized
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// by GitHub now.
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const authorRe =
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/(^Author:|^Co-authored-by:)\s+(?<author>[^<]+)\s+(?<email><[^>]+>)/i;
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rl.on('line', (line) => {
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const match = line.match(authorRe);
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if (!match) return;
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let { author, email } = match.groups;
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const replacement = mailmap.get(author + '\0' + email) || mailmap.get(email);
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if (replacement) {
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({ author, email } = { author, email, ...replacement });
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}
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if (seen.has(email) ||
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/@chromium\.org/.test(email) ||
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email === '<erik.corry@gmail.com>') {
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return;
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}
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seen.add(email);
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output.write(`${author} ${email}\n`);
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});
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rl.on('close', () => {
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output.end('\n# Generated by tools/update-authors.js\n');
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});
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