Build server prototype (integration with GitHub / NuGet / etc)
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micro-build-server/BuildServer/lib/commenter.ts

155 lines
6.0 KiB

"use strict";
import * as _ from "underscore";
import settings from "../settings";
import { getStatusMessageFromRelease } from "./report-processor";
const featureNamePattern = /^feature-(\d+)(?:-[a-zA-Z0-9]+)+$/;
const versionNamePattern = /^v\d+(\.\d+)*$/;
const masterNamePattern = /^master$/;
const httpNotFound = 404;
const maxCommentLength = 64000;
const writeComment = (options, message, callback) => options.github.issues.createComment({
body: message,
number: options.pullRequestNumber,
owner: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
}, callback);
const closePullRequest = (options, message, callback) => writeComment(options, message, (err) => {
if (err) {
return callback(err);
}
return options.github.issues.edit({
number: options.pullRequestNumber,
owner: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
state: "closed",
}, callback);
});
const checkHasIssue = (options, issueNumber, callback) => options.github.issues.get({
number: issueNumber,
owner: options.baseRepoOptions.owner,
repo: options.baseRepoOptions.reponame,
}, (getIssueErr, result) => {
if (getIssueErr && getIssueErr.code !== httpNotFound) {
return callback(getIssueErr);
}
if (getIssueErr || result.number.toString() !== issueNumber) {
return callback(null, false);
}
if (result.pull_request && result.pull_request.url) {
return callback(null, false);
}
return callback(null, true, result.title);
});
const checkHasReleases = (options, callback) => options.github.repos.getReleases({
owner: options.baseRepoOptions.owner,
per_page: 1,
repo: options.baseRepoOptions.reponame,
}, (getReleasesErr, result) => {
if (getReleasesErr) {
return callback(getReleasesErr);
}
return callback(null, result && result.length);
});
const checkPullRequest = (options, callback) => {
const head = options.headRepoOptions;
const base = options.baseRepoOptions;
if (head.reponame !== base.reponame) {
return closePullRequest(options, "Base and head repository names should match", callback);
}
if (head.owner === base.owner) {
if (!versionNamePattern.test(head.branchname) || !masterNamePattern.test(base.branchname)) {
return closePullRequest(options, "Only merging from version to master is allowed", callback);
}
return checkHasReleases(options, (hasReleasesErr, hasReleases) => {
if (hasReleasesErr) {
return writeComment(options, "Unable to check for releases", callback);
}
if (!hasReleases) {
return closePullRequest(options, "Merging from version to master is only allowed for repositories with releases", callback);
}
if (options.action === "opened") {
return writeComment(options, `Switching master branch to ${head.branchname} release`, callback);
}
return process.nextTick(callback);
});
}
if (!featureNamePattern.test(head.branchname)) {
return closePullRequest(options, `Only merging from feature branch is allowed (pattern: \`${featureNamePattern}\`)`, callback);
}
if (!versionNamePattern.test(base.branchname) && !masterNamePattern.test(base.branchname)) {
return closePullRequest(options, `Only merging to master or version branch is allowed; merging to '${base.branchname}' is not supported`, callback);
}
const execResult = featureNamePattern.exec(head.branchname);
const issueNumber = execResult && execResult[1];
return checkHasIssue(options, issueNumber, (hasIssueErr, hasIssue, issueTitle) => {
if (hasIssueErr) {
return writeComment(options, `Unable to check for issue:\r\n\r\n${hasIssueErr.message}`, callback);
}
if (!hasIssue) {
return closePullRequest(options, `Unable to find issue #${issueNumber}`, callback);
}
const shouldHaveReleases = versionNamePattern.test(base.branchname);
return checkHasReleases(options, (hasReleasesErr, hasReleases) => {
if (hasReleasesErr) {
return writeComment(options, "Unable to check for releases", callback);
}
if (shouldHaveReleases && !hasReleases) {
return closePullRequest(options, "Merging from feature to version is only allowed for repositories with releases", callback);
}
if (!shouldHaveReleases && hasReleases) {
return closePullRequest(options, "Merging from feature to master is only allowed for repositories without releases", callback);
}
if (options.action === "opened") {
return writeComment(options, `Merging feature #${issueNumber} (${issueTitle}) to ${base.branchname}`, callback);
}
return process.nextTick(callback);
});
});
};
export const commentOnPullRequest = (originalOptions, callback) => {
const optionsGithub = _.extend(originalOptions, { github: settings.createGithub(originalOptions.baseRepoOptions.owner) });
const options = _.extend(optionsGithub, { onTenthAttempt: () => writeComment(optionsGithub, "Waiting for build to finish...", _.noop) });
return checkPullRequest(options, () => getStatusMessageFromRelease(options.app, options.headRepoOptions, (statusMessageErr, statusSuccessMessage) => {
const escapedErr = String(statusMessageErr || "").substring(0, maxCommentLength)
.replace(/`/g, "` ");
const message = statusMessageErr
? `Was not built:\r\n\r\n\`\`\`\r\n${escapedErr}\r\n\`\`\`\r\n\r\nDO NOT MERGE!`
: `Build OK\r\n\r\n${statusSuccessMessage}`;
const statusUrlMessage = `Build status URL: ${settings.siteRoot}status/${options.headRepoOptions.owner}/${options.headRepoOptions.reponame}/${options.headRepoOptions.rev}\r\n\r\n`;
return writeComment(options, `${message}\r\n\r\n${statusUrlMessage}`, callback);
}));
};