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index.js
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index.js
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/**
* @copyright 2017-present, Charlike Mike Reagent <olsten.larck@gmail.com>
* @license Apache-2.0
*/
const path = require('path')
const delay = require('delay')
const semver = require('semver')
const handlebars = require('handlebars')
const detectNext = require('detect-next-version')
const getConfig = require('./lib/config.js')
const utils = require('./lib/utils.js')
/* eslint-disable no-param-reassign */
/**
*
* @param {*} robot
*/
module.exports = (robot) => {
let releasePublished = false
// robot.on('issues.opened', async (context) => {
// const tags = await context.github.repos.getTags({
// owner: 'singapore',
// repo: 'renovate',
// })
// console.log(tags.data.length, tags.data[0])
// })
robot.on('push', async (context) => {
if (releasePublished === true) return
if (context.payload.ref !== 'refs/heads/master') return
const config = await getConfig(context)
const commit = detectChange(context, config)
// Check if commit needs GitHub Release,
// otherwise the bot should not do anything
if (commit.increment) {
const passed = []
const pending = []
releasePublished = await release(context, config, { passed, pending })
}
})
}
/**
*
* @param {*} context
* @param {*} config
*/
function detectChange (context, config) {
const head = context.payload.head_commit
const rawCommit = detectNext(head.message, true)
const repository = context.payload.repository.full_name
const link = `https://github.com/${repository}/commit/${head.id}`
const commit = Object.assign(rawCommit, {
anchor: `[${head.id.slice(0, 7)}](${link})`,
message: head.message,
head,
link,
})
if (commit.increment === 'major' && commit.isBreaking) {
return Object.assign(commit, { heading: config.majorHeading })
}
if (commit.increment === 'patch') {
return Object.assign(commit, { heading: config.patchHeading })
}
if (commit.increment === 'minor') {
return Object.assign(commit, { heading: config.minorHeading })
}
return commit
}
/**
*
* @param {*} context
* @param {*} config
* @param {*} cache
*/
async function release (context, config, cache) {
if (cache.passed.length && cache.passed.length === cache.pending.length) {
return shouldRelease(context, config)
}
// Especially in CircleCI builds are pretty fast
// even with tons of deps.. but make sure your cache
// is enabled (or correctly configured).
// Example: if you all checks ends in 1min,
// only 6 requests are made, so don't worry.
// The 6req/min is pretty pretty low amount when you have 5000req/hour.
await delay(5000) // todo
const statuses = await context.github.repos.getStatuses(utils.getRepo(context))
statuses.data.forEach((x) => {
if (x.state === 'pending' && !cache.pending.includes(x.context)) {
cache.pending.push(x.context)
}
if (x.state === 'success' && !cache.passed.includes(x.context)) {
cache.passed.push(x.context)
}
})
return release(context, config, cache)
}
/**
*
* @param {*} context
* @param {*} config
*/
function shouldRelease (context, config) {
const commit = detectChange(context, config)
if (!commit.increment) {
return false
}
return createRelease(context, config, commit)
}
/**
*
* @param {*} context
* @param {*} config
* @param {*} commit
*/
async function createRelease (context, config, commit) {
const { currentVersion, nextVersion } = await getVersions(context, config, commit)
const { owner, repo } = utils.getRepo(context)
const options = {
currentVersion,
nextVersion,
commit,
owner,
repo,
}
const body = await renderTemplate(context, config, options)
const tagName = `v${nextVersion}`
await context.github.repos.createRelease({
owner,
repo,
body: body.trim(),
tag_name: tagName,
name: tagName,
draft: false,
prerelease: false,
})
console.log('done')
return true
}
/**
*
* @param {*} context
* @param {*} config
* @param {*} commit
*/
async function getVersions (context, config, commit) {
const lastTag = (await context.github.repos.getTags(utils.getRepo(context))).data[0]
// TODO: Consider what to do when there are no tags. Fallback to npm?
const currentVersion = lastTag.name.slice(1)
console.log('tag commit', lastTag.commit.url)
const nextVersion = semver.inc(currentVersion, commit.increment)
return { currentVersion, nextVersion }
}
/**
*
* @param {*} context
* @param {*} config
* @param {*} opts
*/
async function renderTemplate (context, config, opts) {
let template = config.releaseTemplate
if (typeof config.templatePath === 'string') {
const fp = path.resolve(config.templatePath)
template = await utils.readFile(fp)
}
const repository = context.payload.repository.full_name
const [date] = context.payload.head_commit.timestamp.split('T')
const { currentVersion: prev, nextVersion: next } = opts
const compareLink = `https://github.com/${repository}/compare/v${prev}...v${next}`
const locals = Object.assign({}, config.locals, opts, {
date,
repository,
compareLink,
})
return handlebars.compile(template)(locals)
}