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release-please.ts
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release-please.ts
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/**
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { Application } from 'probot';
// TODO: fix these imports when release-please exports types from the root
// See https://github.com/googleapis/release-please/issues/249
import { ReleaseType, BuildOptions } from 'release-please/build/src/release-pr';
import { ReleasePRFactory } from 'release-please/build/src/release-pr-factory';
import {
GitHubRelease,
GitHubReleaseOptions,
} from 'release-please/build/src/github-release';
import { Runner } from './runner';
import { GitHubAPI } from 'probot/lib/github';
interface ConfigurationOptions {
primaryBranch: string;
releaseLabels?: string[];
releaseType?: ReleaseType;
packageName?: string;
handleGHRelease?: boolean;
}
const DEFAULT_API_URL = 'https://api.github.com';
const WELL_KNOWN_CONFIGURATION_FILE = 'release-please.yml';
const DEFAULT_CONFIGURATION: ConfigurationOptions = {
primaryBranch: 'master',
};
function releaseTypeFromRepoLanguage(language: string | null): ReleaseType {
if (language == null) {
throw Error('repository has no detected language');
}
switch (language.toLowerCase()) {
case 'ruby':
return ReleaseType.Ruby;
case 'java':
return ReleaseType.JavaYoshi;
case 'typescript':
case 'javascript':
return ReleaseType.Node;
case 'php':
return ReleaseType.PHPYoshi;
default:
throw Error(`unknown release type: ${language}`);
}
}
// creates or updates the evergreen release-please release PR.
function createReleasePR(
releaseType: ReleaseType,
packageName: string,
repoUrl: string,
github: GitHubAPI,
releaseLabels?: string[]
) {
const buildOptions: BuildOptions = {
packageName,
repoUrl,
apiUrl: DEFAULT_API_URL,
octokitAPIs: {
octokit: github,
graphql: github.graphql,
request: github.request,
},
};
if (releaseLabels) {
buildOptions.label = releaseLabels.join(',');
}
Runner.runner(ReleasePRFactory.build(releaseType, buildOptions));
}
// turn a merged release-please release PR into a GitHub release.
function createGitHubRelease(
packageName: string,
repoUrl: string,
github: GitHubAPI
) {
const releaseOptions: GitHubReleaseOptions = {
label: 'autorelease: pending',
repoUrl,
packageName,
apiUrl: DEFAULT_API_URL,
octokitAPIs: {
octokit: github,
graphql: github.graphql,
request: github.request,
},
};
const ghr = new GitHubRelease(releaseOptions);
Runner.releaser(ghr);
}
export = (app: Application) => {
app.on('push', async context => {
const repoUrl = context.payload.repository.full_name;
const branch = context.payload.ref.replace('refs/heads/', '');
const repoName = context.payload.repository.name;
const remoteConfiguration: ConfigurationOptions | null = (await context.config(
WELL_KNOWN_CONFIGURATION_FILE
)) as (ConfigurationOptions | null);
// If no configuration is specified,
if (!remoteConfiguration) {
app.log.info(`release-please not configured for (${repoUrl})`);
return;
}
const configuration = {
...DEFAULT_CONFIGURATION,
...remoteConfiguration,
};
if (branch !== configuration.primaryBranch) {
app.log.info(
`Not on primary branch (${configuration.primaryBranch}): ${branch}`
);
return;
}
const releaseType = configuration.releaseType
? configuration.releaseType
: releaseTypeFromRepoLanguage(context.payload.repository.language);
app.log.info(`push (${repoUrl})`);
// TODO: this should be refactored into an interface.
createReleasePR(
releaseType,
configuration.packageName || repoName,
repoUrl,
context.github,
configuration.releaseLabels
);
// release-please can handle creating a release on GitHub, we opt not to do
// this for our repos that have autorelease enabled.
if (configuration.handleGHRelease) {
app.log.info(`handling GitHub release for (${repoUrl})`);
createGitHubRelease(
configuration.packageName || repoName,
repoUrl,
context.github
);
}
});
app.on('release.published', async context => {
if (context.payload.action !== 'published') {
app.log.info(
`ingoring non-publish release action (${context.payload.action})`
);
return;
}
const repoUrl = context.payload.repository.full_name;
const repoName = context.payload.repository.name;
const remoteConfiguration = (await context.config(
WELL_KNOWN_CONFIGURATION_FILE
)) as (ConfigurationOptions | null);
// If no configuration is specified,
if (!remoteConfiguration) {
app.log.info(`release-please not configured for (${repoUrl})`);
return;
}
const configuration = {
...DEFAULT_CONFIGURATION,
...remoteConfiguration,
};
app.log.info(`release.published (${repoUrl})`);
const releaseType = configuration.releaseType
? configuration.releaseType
: releaseTypeFromRepoLanguage(context.payload.repository.language);
// TODO: this should be refactored into an interface.
createReleasePR(
releaseType,
configuration.packageName || repoName,
repoUrl,
context.github,
configuration.releaseLabels
);
});
};