73 lines
2.9 KiB
TypeScript
73 lines
2.9 KiB
TypeScript
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as semver from 'semver';
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import {semverInc} from '../../versioning/inc-semver';
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import {computeNewPrereleaseVersionForNext} from '../../versioning/next-prerelease-version';
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import {ReleaseTrain} from '../../versioning/release-trains';
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import {ReleaseAction} from '../actions';
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/**
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* Release action that cuts a prerelease for the next branch. A version in the next
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* branch can have an arbitrary amount of next pre-releases.
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*/
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export class CutNextPrereleaseAction extends ReleaseAction {
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/** Promise resolving with the new version if a NPM next pre-release is cut. */
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private _newVersion: Promise<semver.SemVer> = this._computeNewVersion();
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async getDescription() {
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const {branchName} = this._getActivePrereleaseTrain();
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const newVersion = await this._newVersion;
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return `Cut a new next pre-release for the "${branchName}" branch (v${newVersion}).`;
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}
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async perform() {
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const releaseTrain = this._getActivePrereleaseTrain();
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const {branchName} = releaseTrain;
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const newVersion = await this._newVersion;
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const {id} = await this.checkoutBranchAndStageVersion(newVersion, branchName);
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await this.waitForPullRequestToBeMerged(id);
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await this.buildAndPublish(newVersion, branchName, 'next');
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// If the pre-release has been cut from a branch that is not corresponding
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// to the next release-train, cherry-pick the changelog into the primary
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// development branch. i.e. the `next` branch that is usually `master`.
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if (releaseTrain !== this.active.next) {
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await this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
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}
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}
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/** Gets the release train for which NPM next pre-releases should be cut. */
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private _getActivePrereleaseTrain(): ReleaseTrain {
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return this.active.releaseCandidate ?? this.active.next;
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}
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/** Gets the new pre-release version for this release action. */
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private async _computeNewVersion(): Promise<semver.SemVer> {
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const releaseTrain = this._getActivePrereleaseTrain();
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// If a pre-release is cut for the next release-train, the new version is computed
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// with respect to special cases surfacing with FF/RC branches. Otherwise, the basic
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// pre-release increment of the version is used as new version.
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if (releaseTrain === this.active.next) {
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return await computeNewPrereleaseVersionForNext(this.active, this.config);
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} else {
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return semverInc(releaseTrain.version, 'prerelease');
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}
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}
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static async isActive() {
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// Pre-releases for the `next` NPM dist tag can always be cut. Depending on whether
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// there is a feature-freeze/release-candidate branch, the next pre-releases are either
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// cut from such a branch, or from the actual `next` release-train branch (i.e. master).
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return true;
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}
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}
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