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86 lines
2.7 KiB
86 lines
2.7 KiB
#!/usr/bin/env node
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const fs = require('fs').promises;
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const path = require('path');
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const runCommand = require('./lib/runCommand');
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const URL = 'https://github.com/MetaMask/metamask-extension';
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async function main() {
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await runCommand('git', ['fetch', '--tags']);
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const [mostRecentTagCommitHash] = await runCommand('git', [
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'rev-list',
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'--tags',
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'--max-count=1',
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]);
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const [mostRecentTag] = await runCommand('git', [
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'describe',
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'--tags',
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mostRecentTagCommitHash,
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]);
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const commitsSinceLastRelease = await runCommand('git', [
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'rev-list',
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`${mostRecentTag}..HEAD`,
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]);
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const changelogEntries = [];
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for (const commit of commitsSinceLastRelease) {
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const [subject] = await runCommand('git', [
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'show',
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'-s',
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'--format=%s',
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commit,
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]);
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let prefix;
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let description = subject;
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// Squash & Merge: the commit subject is parsed as `<description> (#<PR ID>)`
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if (subject.match(/\(#\d+\)/u)) {
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const [, prNumber] = subject.match(/\(#(\d+)\)/u);
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prefix = `[#${prNumber}](${URL}/pull/${prNumber})`;
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description = subject.match(/^(.+)\s\(#\d+\)/u)[1];
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// Merge: the PR ID is parsed from the git subject (which is of the form `Merge pull request
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// #<PR ID> from <branch>`, and the description is assumed to be the first line of the body.
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// If no body is found, the description is set to the commit subject
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} else if (subject.match(/#\d+\sfrom/u)) {
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const [, prNumber] = subject.match(/#(\d+)\sfrom/u);
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prefix = `[#${prNumber}](${URL}/pull/${prNumber})`;
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const [firstLineOfBody] = await runCommand('git', [
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'show',
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'-s',
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'--format=%b',
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commit,
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]);
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description = firstLineOfBody || subject;
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}
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// Otherwise:
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// Normal commits: The commit subject is the description, and the PR ID is omitted.
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const changelogEntry = prefix
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? `- ${prefix}: ${description}`
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: `- ${description}`;
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changelogEntries.push(changelogEntry);
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}
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const changelogFilename = path.resolve(__dirname, '..', 'CHANGELOG.md');
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const changelog = await fs.readFile(changelogFilename, { encoding: 'utf8' });
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const changelogLines = changelog.split('\n');
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const releaseHeaderIndex = changelogLines.findIndex(
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(line) => line === '## Current Develop Branch',
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);
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if (releaseHeaderIndex === -1) {
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throw new Error('Failed to find release header');
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}
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changelogLines.splice(releaseHeaderIndex + 1, 0, ...changelogEntries);
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const updatedChangelog = changelogLines.join('\n');
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await fs.writeFile(changelogFilename, updatedChangelog);
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console.log('CHANGELOG updated');
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}
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main().catch((error) => {
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console.error(error);
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process.exit(1);
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});
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