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119 lines
2.5 KiB
119 lines
2.5 KiB
const path = require('path');
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const semver = require('semver');
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const { spawn } = require('child_process');
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const fs = require('fs');
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const root = path.resolve(__dirname, '..');
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const pjsPath = path.resolve(root, 'package.json');
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const pjs = require(pjsPath);
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function parseVersion(tag) {
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const { major, minor, prerelease, patch } = semver.parse(tag);
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// Describe will give is commits since last tag
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const [ commitsSinceTag, hash ] = prerelease[0] ? prerelease[0].split('-') : [
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1,
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process.env.TRAVIS_COMMIT || ''
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];
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return {
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major,
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minor,
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prerelease,
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patch,
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commit: commitsSinceTag - 1,
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hash
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};
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}
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function getCommandOutput(command, args, cb) {
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let output = '';
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const cmd = spawn(command, args);
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cmd.stdout.on('data', (data) => {
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output += data;
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});
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cmd.on('close', (code) => {
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if (code != 0) {
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cb(new Error(`Command returned unsuccessful code: ${code}`));
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return;
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}
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cb(null, output.trim());
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});
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}
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function getVersion(cb) {
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// https://docs.travis-ci.com/user/environment-variables/
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if (process.env.TRAVIS_TAG) {
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setImmediate(() => cb(null, parseVersion(process.env.TRAVIS_TAG.trim())));
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return;
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}
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getCommandOutput('git', ['describe', '--tags'], (err, result) => {
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if (err) {
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cb(err);
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return;
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}
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cb(null, parseVersion(result.trim()));
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});
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}
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function getBranch(cb) {
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if (process.env.TRAVIS_TAG) {
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// TRAVIS_BRANCH matches TRAVIS_TAG when TRAVIS_TAG is set
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// "git branch --contains tags/TRAVIS_TAG" doesn't work on travis so we have to assume 'master'
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setImmediate(() => cb(null, 'master'));
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return;
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} else if (process.env.TRAVIS_BRANCH) {
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setImmediate(() => cb(null, process.env.TRAVIS_BRANCH.trim()));
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return;
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}
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getCommandOutput('git', ['rev-parse', '--abbrev-ref', 'HEAD'], (err, result) => {
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if (err) {
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cb(err);
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return;
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}
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cb(null, result.trim());
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});
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}
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function getPackageVersion(tag, branch) {
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let baseVersion = `v${tag.major}.${tag.minor}.${tag.patch}`;
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if (tag.commit === 0 && branch === 'master') {
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return baseVersion;
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}
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baseVersion += '-';
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if (branch !== 'master') {
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baseVersion += (tag.commit + 1 + '.' + branch);
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} else {
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baseVersion += (tag.commit + 1);
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}
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return baseVersion;
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}
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getVersion((err, tag) => {
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if (err) {
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throw err;
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}
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getBranch((err, branch) => {
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if (err) {
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throw err;
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}
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pjs.version = getPackageVersion(tag, branch);
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fs.writeFileSync(pjsPath, JSON.stringify(pjs, null, 2));
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})
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});
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