75 lines
2.3 KiB
JavaScript
Executable File
75 lines
2.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const fs = require('fs');
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const execSync = require('child_process').execSync;
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const ejs = require('ejs');
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const _ = require('lodash');
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const semver = require('semver');
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const changelogPath = 'CHANGELOG.md';
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const changelog = fs.readFileSync(changelogPath, 'utf8');
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/*
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Find current and immediately previous releases by parsing git tags.
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*/
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let currentVersion = execSync('git describe --tags --match=android-v*.*.* --abbrev=0')
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.toString()
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.trim()
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.replace('android-v', '');
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let gitTags = execSync('git tag --list android-v*.*.*')
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.toString()
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.split('\n')
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.map(function (tag) {
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tag = tag.replace('android-v', '').trim();
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return semver.clean(tag);
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});
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let previousVersion = semver.maxSatisfying(gitTags, "<" + currentVersion);
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/*
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Parse the raw changelog text and split it into individual releases.
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This regular expression:
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- Matches lines starting with "## x.x.x".
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- Groups the version number.
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- Skips the (optional) release date.
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- Groups the changelog content.
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- Ends when another "## x.x.x" is found.
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*/
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const regex = /^## (\d+\.\d+\.\d+).*?\n(.+?)(?=\n^## \d+\.\d+\.\d+.*?\n)/gms;
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let releaseNotes = [];
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while (match = regex.exec(changelog)) {
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releaseNotes.push({
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'version': match[1],
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'changelog': match[2].trim(),
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});
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}
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/*
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Match the current tag with the most appropriate release notes.
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*/
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const versionsInReleaseNotes = _.map(releaseNotes, 'version');
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const bestReleaseNotesForCurrentVersion = semver.minSatisfying(versionsInReleaseNotes, ">=" + currentVersion);
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const currentReleaseNotes = _.find(releaseNotes, { version: bestReleaseNotesForCurrentVersion });
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if (!currentReleaseNotes) {
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console.error('Could not find a release section satisfying %s in %s — did you forget to rename the "master" section to %s?', currentVersion, changelogPath, currentVersion.split("-")[0]);
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process.exit(1);
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}
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/*
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Fill and print the release notes template.
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*/
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let templatedReleaseNotes;
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templatedReleaseNotes = ejs.render(fs.readFileSync('scripts/release-notes-github.md.ejs', 'utf8'), {
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'CURRENTVERSION': currentVersion,
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'PREVIOUSVERSION': previousVersion,
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'CHANGELOG': currentReleaseNotes.changelog,
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'isPrerelease': semver.prerelease(currentVersion)
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});
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templatedReleaseNotes = templatedReleaseNotes.trimEnd();
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process.stdout.write(templatedReleaseNotes);
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