pantry/.github/actions/fetch-pr-artifacts/fetch-pr-artifacts.ts

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#!/usr/bin/env tea
/*---
args:
- deno
- run
- --allow-net
- --allow-env
- --allow-write=./artifacts.tgz
---*/
/// Test
/// ./scripts/fetch-pr-artifacts.ts e582b03fe6efedde80f9569403555f4513dbec91
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import { S3 } from "s3";
import { panic, undent } from "utils";
/// Main
/// -------------------------------------------------------------------------------
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if (import.meta.main) {
const usage = "usage: fetch-pr-artifacts.ts {REPO} {SHA} {platform+arch}"
const repo = Deno.args[0] ?? panic(usage)
const ref = Deno.args[1] ?? panic(usage)
const flavor = Deno.args[2] ?? panic(usage)
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const pr = await find_pr(repo, ref)
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if (!pr) throw new Error(`No PR found for commit ${ref} in ${repo}`)
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const s3 = new S3({
accessKeyID: Deno.env.get("AWS_ACCESS_KEY_ID")!,
secretKey: Deno.env.get("AWS_SECRET_ACCESS_KEY")!,
region: "us-east-1",
})
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const bucket = s3.getBucket(Deno.env.get("AWS_S3_BUCKET")!)
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const key = `pull-request/${repo.split("/")[1]}/${pr}/${flavor}`
const artifacts = (await bucket.getObject(key)) ?? panic("No artifacts found")
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const file = await Deno.open("artifacts.tgz", { create: true, write: true })
await artifacts.body.pipeTo(file.writable)
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Deno.stdout.write(new TextEncoder().encode(`PR=${pr}`))
}
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/// Functions
/// -------------------------------------------------------------------------------
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export async function find_pr(repo: string, ref: string): Promise<number | undefined> {
const res = await queryGraphQL<CommitQuery>(prQuery(repo))
const node = res.repository?.ref?.target?.history?.edges.find(n => n.node.oid === ref)
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const nodes = node?.node.associatedPullRequests.nodes
if (!nodes || nodes.length === 0) return
return nodes[0].number
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}
async function queryGraphQL<T>(query: string): Promise<T> {
const headers: HeadersInit = {}
const token = Deno.env.get("GITHUB_TOKEN") ?? panic("GitHub GraphQL requires you set $GITHUB_TOKEN")
if (token) headers['Authorization'] = `bearer ${token}`
const rsp = await fetch('https://api.github.com/graphql', {
method: 'POST',
body: JSON.stringify({ query }),
headers
})
const json = await rsp.json()
if (!rsp.ok) {
console.error({ rsp, json })
throw new Error()
}
return json.data as T ?? panic("No `data` returns from GraphQL endpoint")
}
/// Types
/// -------------------------------------------------------------------------------
type CommitQuery = {
repository: {
ref: {
target: {
history: {
edges: Node[]
}
}
}
}
}
type Node = {
node: {
url: URL
oid: string
associatedPullRequests: { nodes: PullRequest[] }
}
}
type PullRequest = {
number: number
}
/// Queries
/// -------------------------------------------------------------------------------
function prQuery(repo: string): string {
const [owner, name] = repo.split("/")
return undent`
query {
repository(name: "${name}", owner: "${owner}") {
ref(qualifiedName: "main") {
target {
... on Commit {
history(first: 100) {
edges {
node {
url
oid
associatedPullRequests(first: 1) {
nodes {
number
}
}
}
}
}
}
}
}
}
}`
}