Draft release notes on tag #101
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name: Draft release notes on tag | |
on: | |
create: | |
workflow_dispatch: | |
jobs: | |
draft_release_notes: | |
name: Draft release notes | |
if: (github.event.ref_type == 'tag' && github.event.master_branch == 'master') || github.event_name == 'workflow_dispatch' | |
runs-on: ubuntu-latest | |
steps: | |
- name: Get milestone title | |
id: milestoneTitle | |
uses: actions/github-script@d7906e4ad0b1822421a7e6a35d5ca353c962f410 # 6.4.1 | |
with: | |
result-encoding: string | |
script: | | |
// Get the milestone title ("X.Y.Z") from tag name ("vX.Y.Z(-rc)") | |
const match = '${{github.event.ref}}'.match(/v(\d+\.\d+\.\d+)(-rc\d+)?/i) | |
if (!match) { | |
core.setFailed('Failed to parse tag name into milestone name: ${{github.event.ref}}') | |
return | |
} | |
const milestoneTitle = match[1] | |
const isReleaseCandidate = match[2] !== undefined | |
// Look for the milestone | |
const milestone = (await github.paginate('GET /repos/{owner}/{repo}/milestones', { | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
state: 'all' | |
})).find(m => m.title == milestoneTitle) | |
if (!milestone) { | |
core.setFailed(`Failed to find milestone: ${milestoneTitle}`) | |
return | |
} | |
// Get pull requests of the milestone | |
const pullRequests = (await github.paginate('/repos/{owner}/{repo}/issues', { | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
milestone: milestone.number, | |
state: 'closed' | |
})) | |
.filter(i => i.pull_request && i.pull_request.merged_at) // Skip closed but not merged | |
.filter(p => !p.labels.find(label => label.name == 'tag: no release notes')) // Skip excluded | |
// Group PR by components and instrumentations | |
var prByComponents = new Map() | |
var prByInstrumentations = new Map() | |
var otherPRs = new Array() | |
for (let pullRequest of pullRequests) { | |
var captured = false | |
for (let label of pullRequest.labels) { | |
const index = label.name.indexOf(':') | |
if (index == -1) { | |
core.notice('Unsupported label: ${label.name}') | |
continue | |
} | |
const labelKey = label.name.substring(0, index) | |
const labelValue = label.name.slice(index + 1) | |
var map = null | |
if (labelKey == 'comp') { | |
map = prByComponents | |
} else if (labelKey == 'inst') { | |
map = prByInstrumentations | |
} | |
if (map) { | |
var prs = map.get(label.description) | |
if (!prs) { | |
prs = new Array() | |
map.set(label.description, prs) | |
} | |
prs.push(pullRequest) | |
captured = true | |
} | |
} | |
if (!captured) { | |
otherPRs.push(pullRequest) | |
} | |
} | |
// Sort components and instrumenations | |
prByComponents = new Map([...prByComponents].sort()); | |
const lastInstrumentation = 'All other instrumentations' | |
prByInstrumentations = new Map([...prByInstrumentations].sort( | |
(a, b) => { | |
if (a[0] == lastInstrumentation) { | |
return 1 | |
} else if (b[0] == lastInstrumentation) { | |
return -1 | |
} | |
return String(a[0]).localeCompare(b[0]) | |
} | |
)); | |
// Generate changelog | |
const decorators = { | |
'tag: breaking change': ':warning:', | |
'tag: experimental': ':test_tube:', | |
'tag: diagnostics': ':mag:', | |
'tag: performance': ':zap:', | |
'tag: security': ':closed_lock_with_key:', | |
'type: bug': ':bug:', | |
'type: documentation': ':book:', | |
'type: enhancement': ':sparkles:', | |
'type: feature request': ':bulb:', | |
'type: refactoring': ':broom:' | |
} | |
function decorate(pullRequest) { | |
var line = '' | |
var decorated = false; | |
for (let label of pullRequest.labels) { | |
if (decorators[label.name]) { | |
line += decorators[label.name] | |
decorated = true | |
} | |
} | |
if (decorated) { | |
line += ' ' | |
} | |
return line | |
} | |
function cleanUpTitle(title) { | |
// Remove tags between brackets | |
return title.replace(/\[[^\]]+\]/g, '') | |
} | |
function format(pullRequest) { | |
var line = `${decorate(pullRequest)}${cleanUpTitle(pullRequest.title)} (#${pullRequest.number} - @${pullRequest.user.login}` | |
// Add special thanks if community labeled | |
if (pullRequest.labels.some(label => label.name == "tag: community")) { | |
line += ` - thanks for the contribution!` | |
} | |
line += ')' | |
return line; | |
} | |
var changelog = '' | |
if (isReleaseCandidate) { | |
changelog += '> [!WARNING]\n' + | |
'> This is a **release candidate** and is **not** intended for use in production. \n' + | |
'Please [open an issue](https://github.com/DataDog/dd-trace-java/issues/new) regarding any problems in this release candidate.\n\n' | |
} | |
if (prByComponents.size > 0) { | |
changelog += '# Components\n\n'; | |
for (let pair of prByComponents) { | |
changelog += '## '+pair[0]+'\n\n' | |
for (let pullRequest of pair[1]) { | |
changelog += '* ' + format(pullRequest) + '\n' | |
} | |
changelog += '\n' | |
} | |
} | |
if (prByInstrumentations.size > 0) { | |
changelog += '# Instrumentations\n\n' | |
for (let pair of prByInstrumentations) { | |
changelog += '## '+pair[0]+'\n\n' | |
for (let pullRequest of pair[1]) { | |
changelog += '* ' + format(pullRequest) + '\n' | |
} | |
changelog += '\n' | |
} | |
} | |
if (otherPRs.length > 0) { | |
changelog += '# Other changes\n\n' | |
for (let pullRequest of otherPRs) { | |
changelog += '* ' + format(pullRequest) + '\n' | |
} | |
} | |
// Create release with the draft changelog | |
await github.rest.repos.createRelease({ | |
owner: context.repo.owner, | |
repo: context.repo.repo, | |
tag_name: '${{ github.event.ref }}', | |
name: milestoneTitle, | |
draft: true, | |
body: changelog | |
}) |