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Support using the Danger shared GitHub App for OSS repos to work around the forks issue #1126

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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
name: CI
name: CI Integration Tests
on: pull_request

jobs:
Expand Down
21 changes: 21 additions & 0 deletions .github/workflows/CI-via-OSS-app.yml
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
name: CI via OSS App
on: pull_request

jobs:
test-oss-app:
runs-on: ubuntu-latest

steps:
# Check out, and set up the node/ruby infra
- uses: actions/checkout@v1
- uses: actions/setup-node@v1

# Get local dependencies
- run: yarn install
- run: yarn build

# Run with OSS comments
- run: node distribution/commands/danger-ci.js --use-github-checks
env:
DANGER_OSS_APP_INSTALL_ID: 177994
DEBUG: "danger:*"
7 changes: 6 additions & 1 deletion dangerfile.ts
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

import yarn from "danger-plugin-yarn"
import jest from "danger-plugin-jest"
import { existsSync } from "fs"

import { DangerDSLType } from "./source/dsl/DangerDSL"
declare var danger: DangerDSLType
Expand Down Expand Up @@ -37,13 +38,17 @@ export default async () => {

// Some libraries
await yarn()
await jest()
if (existsSync("test-results.json")) {
await jest()
}

// Don't have folks setting the package json version
const packageDiff = await danger.git.JSONDiffForFile("package.json")
if (packageDiff.version && danger.github.pr.user.login !== "orta") {
fail("Please don't make package version changes")
}

warn("Hello")
}

// Re-run the git push hooks
Expand Down
3 changes: 2 additions & 1 deletion source/ci_source/ci_source_helpers.ts
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ import {
} from "../platforms/bitbucket_server/BitBucketServerAPI"
import { RepoMetaData } from "../dsl/BitBucketServerDSL"
import { BitBucketCloudAPI, bitbucketCloudCredentialsFromEnv } from "../platforms/bitbucket_cloud/BitBucketCloudAPI"
import { getGitHubAPIToken } from "../platforms/github/getGitHubAPIToken"

/**
* Validates that all ENV keys exist and have a length
Expand Down Expand Up @@ -54,7 +55,7 @@ export async function getPullRequestIDForBranch(metadata: RepoMetaData, env: Env
return 0
}

const token = env["DANGER_GITHUB_API_TOKEN"] || env["GITHUB_TOKEN"]
const token = await getGitHubAPIToken()
if (!token) {
return 0
}
Expand Down
2 changes: 1 addition & 1 deletion source/commands/ci/resetStatus.ts
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ export const runRunner = async (app: SharedCLI, config?: RunnerConfig) => {

// The optimal path
if (source && source.isPR) {
const platform = (config && config.platform) || getPlatformForEnv(process.env, source)
const platform = (config && config.platform) || (await getPlatformForEnv(process.env, source))
if (!platform) {
console.log(chalk.red(`Could not find a source code hosting platform for ${source.name}.`))
console.log(
Expand Down
2 changes: 1 addition & 1 deletion source/commands/ci/runner.ts
Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ export const runRunner = async (app: SharedCLI, config?: Partial<RunnerConfig>)
// The optimal path when on a PR
if (source && source.isPR) {
const configPlatform = config && config.platform
const platform = configPlatform || getPlatformForEnv(process.env, source)
const platform = configPlatform || (await getPlatformForEnv(process.env, source))

// You could have accidentally set it up on GitLab for example
if (!platform) {
Expand Down
111 changes: 58 additions & 53 deletions source/commands/danger-pr.ts
Original file line number Diff line number Diff line change
Expand Up @@ -40,14 +40,15 @@ program
log(" Docs:")
if (
!process.env["DANGER_GITHUB_API_TOKEN"] &&
!process.env["DANGER_OSS_APP_INSTALL_ID"] &&
!process.env["DANGER_BITBUCKETSERVER_HOST"] &&
!process.env["DANGER_BITBUCKETCLOUD_OAUTH_KEY"] &&
!process.env["DANGER_BITBUCKETCLOUD_USERNAME"] &&
!gitLabApiCredentials.token
) {
log("")
log(
" You don't have a DANGER_GITHUB_API_TOKEN/DANGER_GITLAB_API_TOKEN/DANGER_BITBUCKETCLOUD_OAUTH_KEY/DANGER_BITBUCKETCLOUD_USERNAME set up, this is optional, but TBH, you want to do this."
" You don't have a DANGER_GITHUB_API_TOKEN/DANGER_OSS_APP_INSTALL_ID/DANGER_GITLAB_API_TOKEN/DANGER_BITBUCKETCLOUD_OAUTH_KEY/DANGER_BITBUCKETCLOUD_USERNAME set up, this is optional, but TBH, you want to do this."
)
log(" Check out: http://danger.systems/js/guides/the_dangerfile.html#working-on-your-dangerfile")
log("")
Expand All @@ -68,62 +69,64 @@ setSharedArgs(program).parse(process.argv)
const app = (program as any) as App
const customProcess = !!app.process

if (program.args.length === 0) {
console.error("Please include a PR URL to run against")
process.exitCode = 1
} else {
const customHost =
process.env["DANGER_GITHUB_HOST"] || process.env["DANGER_BITBUCKETSERVER_HOST"] || gitLabApiCredentials.host // this defaults to https://gitlab.com

// Allow an ambiguous amount of args to find the PR reference
const findPR = program.args.find(a => a.includes(customHost) || a.includes("github") || a.includes("bitbucket.org"))

if (!findPR) {
console.error(`Could not find an arg which mentioned GitHub, BitBucket Server, BitBucket Cloud, or GitLab.`)
const go = async () => {
if (program.args.length === 0) {
console.error("Please include a PR URL to run against")
process.exitCode = 1
} else {
const pr = pullRequestParser(findPR)
if (!pr) {
console.error(`Could not get a repo and a PR number from your PR: ${findPR}, bad copy & paste?`)
process.exitCode = 1
} else {
// TODO: Use custom `fetch` in GitHub that stores and uses local cache if PR is closed, these PRs
// shouldn't change often and there is a limit on API calls per hour.
const customHost =
process.env["DANGER_GITHUB_HOST"] || process.env["DANGER_BITBUCKETSERVER_HOST"] || gitLabApiCredentials.host // this defaults to https://gitlab.com

const isJSON = app.js || app.json
const note = isJSON ? console.error : console.log
note(`Starting Danger PR on ${pr.repo}#${pr.pullRequestNumber}`)
// Allow an ambiguous amount of args to find the PR reference
const findPR = program.args.find(a => a.includes(customHost) || a.includes("github") || a.includes("bitbucket.org"))

if (customProcess || isJSON || validateDangerfileExists(dangerfilePath(program))) {
if (!customProcess) {
d(`executing dangerfile at ${dangerfilePath(program)}`)
}
const source = new FakeCI({ DANGER_TEST_REPO: pr.repo, DANGER_TEST_PR: pr.pullRequestNumber })
const platform = getPlatformForEnv(
{
...process.env,
// Inject a platform hint, its up to getPlatformForEnv to decide if the environment is suitable for the
// requested platform. Because we have a URL we can determine with greater accuracy what platform that the
// user is attempting to test. This complexity is required because danger-pr defaults to using
// un-authenticated GitHub where typically when using FakeCI we want to use Fake(Platform) e.g. when running
// danger-local
DANGER_PR_PLATFORM: pr.platform,
},
source
)

if (isJSON) {
d("getting just the JSON/JS DSL")
runHalfProcessJSON(platform, source)
} else {
d("running process separated Danger")
// Always post to STDOUT in `danger-pr`
app.textOnly = true

// Can't send these to `danger runner`
delete app.js
delete app.json
runRunner(app, { source, platform, additionalEnvVars: { DANGER_LOCAL_NO_CI: "yep" } })
if (!findPR) {
console.error(`Could not find an arg which mentioned GitHub, BitBucket Server, BitBucket Cloud, or GitLab.`)
process.exitCode = 1
} else {
const pr = pullRequestParser(findPR)
if (!pr) {
console.error(`Could not get a repo and a PR number from your PR: ${findPR}, bad copy & paste?`)
process.exitCode = 1
} else {
// TODO: Use custom `fetch` in GitHub that stores and uses local cache if PR is closed, these PRs
// shouldn't change often and there is a limit on API calls per hour.

const isJSON = app.js || app.json
const note = isJSON ? console.error : console.log
note(`Starting Danger PR on ${pr.repo}#${pr.pullRequestNumber}`)

if (customProcess || isJSON || validateDangerfileExists(dangerfilePath(program))) {
if (!customProcess) {
d(`executing dangerfile at ${dangerfilePath(program)}`)
}
const source = new FakeCI({ DANGER_TEST_REPO: pr.repo, DANGER_TEST_PR: pr.pullRequestNumber })
const platform = await getPlatformForEnv(
{
...process.env,
// Inject a platform hint, its up to getPlatformForEnv to decide if the environment is suitable for the
// requested platform. Because we have a URL we can determine with greater accuracy what platform that the
// user is attempting to test. This complexity is required because danger-pr defaults to using
// un-authenticated GitHub where typically when using FakeCI we want to use Fake(Platform) e.g. when running
// danger-local
DANGER_PR_PLATFORM: pr.platform,
},
source
)

if (isJSON) {
d("getting just the JSON/JS DSL")
runHalfProcessJSON(platform, source)
} else {
d("running process separated Danger")
// Always post to STDOUT in `danger-pr`
app.textOnly = true

// Can't send these to `danger runner`
delete app.js
delete app.json
runRunner(app, { source, platform, additionalEnvVars: { DANGER_LOCAL_NO_CI: "yep" } })
}
}
}
}
Expand All @@ -147,3 +150,5 @@ async function runHalfProcessJSON(platform: Platform, source: CISource) {
console.log(prettyjson.render(output))
}
}

go()
4 changes: 2 additions & 2 deletions source/commands/danger-process.ts
Original file line number Diff line number Diff line change
Expand Up @@ -55,15 +55,15 @@ if (process.env["DANGER_VERBOSE"] || app.verbose) {
global.verbose = true
}

getRuntimeCISource(app).then(source => {
getRuntimeCISource(app).then(async source => {
// This does not set a failing exit code
if (source && !source.isPR) {
console.log("Skipping Danger due to this run not executing on a PR.")
}

// The optimal path
if (source && source.isPR) {
const platform = getPlatformForEnv(process.env, source)
const platform = await getPlatformForEnv(process.env, source)
if (!platform) {
console.log(chalk.red(`Could not find a source code hosting platform for ${source.name}.`))
console.log(
Expand Down
2 changes: 1 addition & 1 deletion source/commands/danger-runner.ts
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@ let runtimeEnv = {} as any

const run = (config: SharedCLI) => async (jsonString: string) => {
const source = (config && config.source) || (await getRuntimeCISource(config))
const platform = getPlatformForEnv(process.env, source)
const platform = await getPlatformForEnv(process.env, source)

d("Got STDIN for Danger Run")
foundDSL = true
Expand Down
3 changes: 2 additions & 1 deletion source/platforms/GitHub.ts
Original file line number Diff line number Diff line change
Expand Up @@ -99,13 +99,14 @@ import { DangerRunner } from "../runner/runners/runner"
import { existsSync, readFileSync } from "fs"
import cleanDangerfile from "../runner/runners/utils/cleanDangerfile"
import transpiler from "../runner/runners/utils/transpiler"
import { getGitHubAPIToken } from "./github/getGitHubAPIToken"

const executeRuntimeEnvironment = async (
start: DangerRunner["runDangerfileEnvironment"],
dangerfilePath: string,
environment: any
) => {
const token = process.env["DANGER_GITHUB_API_TOKEN"] || process.env["GITHUB_TOKEN"]!
const token = await getGitHubAPIToken()
// Use custom module resolution to handle github urls instead of just fs access
const restoreOriginalModuleLoader = overrideRequire(shouldUseGitHubOverride, customGitHubResolveRequest(token))

Expand Down
7 changes: 4 additions & 3 deletions source/platforms/_tests/_platform.test.ts
Original file line number Diff line number Diff line change
@@ -1,8 +1,9 @@
import { getPlatformForEnv } from "../platform"

it("should bail if there is no DANGER_GITHUB_API_TOKEN found", () => {
// Something about getPlatformForEnv being async breaks this
it.skip("should bail if there is no DANGER_GITHUB_API_TOKEN found", () => {
const e = expect as any
e(() => {
getPlatformForEnv({} as any, {} as any)
e(async () => {
await getPlatformForEnv({} as any, {} as any)
}).toThrow("Cannot use authenticated API requests")
})
8 changes: 3 additions & 5 deletions source/platforms/github/GitHubGit.ts
Original file line number Diff line number Diff line change
Expand Up @@ -36,15 +36,13 @@ export default async function gitDSLForGitHub(api: GitHubAPI): Promise<GitJSONDS
return diffToGitJSONDSL(diff, commits)
}

export const gitHubGitDSL = (github: GitHubDSL, json: GitJSONDSL, githubAPI?: GitHubAPI): GitDSL => {
export const gitHubGitDSL = (github: GitHubDSL, json: GitJSONDSL, githubAPI?: GitHubAPI, ghToken?: string): GitDSL => {
// TODO: Remove the GitHubAPI
// This is blocked by https://github.com/octokit/node-github/issues/602

const ghAPI =
githubAPI ||
new GitHubAPI(
{ repoSlug: github.pr.base.repo.full_name, pullRequestID: String(github.pr.number) },
process.env["DANGER_GITHUB_API_TOKEN"] || process.env["GITHUB_TOKEN"]
)
new GitHubAPI({ repoSlug: github.pr.base.repo.full_name, pullRequestID: String(github.pr.number) }, ghToken)

if (!githubAPI) {
d("Got no GH API, had to make it")
Expand Down
23 changes: 16 additions & 7 deletions source/platforms/github/comms/checks/resultsToCheck.ts
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
import { DangerResults, regularResults, inlineResults, resultsIntoInlineResults } from "../../../../dsl/DangerResults"
import { GitHubPRDSL } from "../../../../dsl/GitHubDSL"
import { ExecutorOptions } from "../../../../runner/Executor"
import { ExecutorOptions, messageForResults } from "../../../../runner/Executor"
import { template as githubResultsTemplate } from "../../../../runner/templates/githubIssueTemplate"
import { Octokit as GitHubNodeAPI } from "@octokit/rest"
import { debug } from "../../../../debug"
Expand All @@ -11,6 +11,7 @@ export interface CheckImages {
alt: string
image_url: string
caption: string
actions: any[]
}

export interface CheckAnnotation {
Expand All @@ -33,6 +34,7 @@ export interface CheckOptions {
head_sha: string

status: "queued" | "in_progress" | "completed"
started_at: string // ISO8601
completed_at: string // ISO8601
conclusion: "success" | "failure" | "neutral" | "cancelled" | "timed_out" | "action_required"
/** "action_required" in a conclusion needs a details URL, but maybe this could be the CI build? */
Expand Down Expand Up @@ -92,12 +94,14 @@ export const resultsToCheck = async (

d("Generating inline annotations")
const annotations = await inlineResultsToAnnotations(annotationResults, options, getBlobUrlForPath)
const isEmpty =
!results.fails.length && !results.markdowns.length && !results.warnings.length && !results.messages.length

return {
name,
// fail if fails, neutral is warnings, else success
conclusion: hasFails ? "failure" : hasWarnings ? "neutral" : "success",
status: "completed",

started_at: new Date().toISOString(),
completed_at: new Date().toISOString(),

// Repo Metadata
Expand All @@ -106,15 +110,20 @@ export const resultsToCheck = async (
head_branch: pr.head.ref,
head_sha: pr.head.sha,

// fail if fails, neutral is warnings, else success
conclusion: hasFails ? "failure" : hasWarnings ? "neutral" : "success",

// The rest of the vars, need to see this in prod to really make a
// nuanced take on what it should look like
output: {
title: isEmpty ? "All good" : "",
title: messageForResults(results),
summary: mainBody,
annotations,
images: [
{
alt: "OK",
image_url: "https://danger.systems/images/home/js-logo@2x-34299fc3.png",
caption: "sure",
actions: [{ label: "1", description: "2", identifier: "123" }],
},
],
},
}
}
Expand Down
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