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run.ts
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run.ts
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import { exec } from "@actions/exec";
import * as github from "@actions/github";
import fs from "fs-extra";
import { getPackages, Package } from "@manypkg/get-packages";
import path from "path";
import * as semver from "semver";
import { PreState } from "@changesets/types";
import {
getChangelogEntry,
execWithOutput,
getChangedPackages,
sortTheThings,
getVersionsByDirectory,
} from "./utils";
import * as gitUtils from "./gitUtils";
import readChangesetState from "./readChangesetState";
import resolveFrom from "resolve-from";
// GitHub Issues/PRs messages have a max size limit on the
// message body payload.
// `body is too long (maximum is 65536 characters)`.
// To avoid that, we ensure to cap the message to 60k chars.
const MAX_CHARACTERS_PER_MESSAGE = 60000;
const createRelease = async (
octokit: ReturnType<typeof github.getOctokit>,
{ pkg, tagName }: { pkg: Package; tagName: string }
) => {
try {
let changelogFileName = path.join(pkg.dir, "CHANGELOG.md");
let changelog = await fs.readFile(changelogFileName, "utf8");
let changelogEntry = getChangelogEntry(changelog, pkg.packageJson.version);
if (!changelogEntry) {
// we can find a changelog but not the entry for this version
// if this is true, something has probably gone wrong
throw new Error(
`Could not find changelog entry for ${pkg.packageJson.name}@${pkg.packageJson.version}`
);
}
await octokit.repos.createRelease({
name: tagName,
tag_name: tagName,
body: changelogEntry.content,
prerelease: pkg.packageJson.version.includes("-"),
...github.context.repo,
});
} catch (err: any) {
// if we can't find a changelog, the user has probably disabled changelogs
if (err.code !== "ENOENT") {
throw err;
}
}
};
type PublishOptions = {
script: string;
githubToken: string;
createGithubReleases: boolean;
cwd?: string;
};
type PublishedPackage = { name: string; version: string };
type PublishResult =
| {
published: true;
publishedPackages: PublishedPackage[];
}
| {
published: false;
};
export async function runPublish({
script,
githubToken,
createGithubReleases,
cwd = process.cwd(),
}: PublishOptions): Promise<PublishResult> {
let octokit = github.getOctokit(githubToken);
let [publishCommand, ...publishArgs] = script.split(/\s+/);
let changesetPublishOutput = await execWithOutput(
publishCommand,
publishArgs,
{ cwd }
);
await gitUtils.pushTags();
let { packages, tool } = await getPackages(cwd);
let releasedPackages: Package[] = [];
if (tool !== "root") {
let newTagRegex = /New tag:\s+(@[^/]+\/[^@]+|[^/]+)@([^\s]+)/;
let packagesByName = new Map(packages.map((x) => [x.packageJson.name, x]));
for (let line of changesetPublishOutput.stdout.split("\n")) {
let match = line.match(newTagRegex);
if (match === null) {
continue;
}
let pkgName = match[1];
let pkg = packagesByName.get(pkgName);
if (pkg === undefined) {
throw new Error(
`Package "${pkgName}" not found.` +
"This is probably a bug in the action, please open an issue"
);
}
releasedPackages.push(pkg);
}
if (createGithubReleases) {
await Promise.all(
releasedPackages.map((pkg) =>
createRelease(octokit, {
pkg,
tagName: `${pkg.packageJson.name}@${pkg.packageJson.version}`,
})
)
);
}
} else {
if (packages.length === 0) {
throw new Error(
`No package found.` +
"This is probably a bug in the action, please open an issue"
);
}
let pkg = packages[0];
let newTagRegex = /New tag:/;
for (let line of changesetPublishOutput.stdout.split("\n")) {
let match = line.match(newTagRegex);
if (match) {
releasedPackages.push(pkg);
if (createGithubReleases) {
await createRelease(octokit, {
pkg,
tagName: `v${pkg.packageJson.version}`,
});
}
break;
}
}
}
if (releasedPackages.length) {
return {
published: true,
publishedPackages: releasedPackages.map((pkg) => ({
name: pkg.packageJson.name,
version: pkg.packageJson.version,
})),
};
}
return { published: false };
}
const requireChangesetsCliPkgJson = (cwd: string) => {
try {
return require(resolveFrom(cwd, "@changesets/cli/package.json"));
} catch (err: any) {
if (err && err.code === "MODULE_NOT_FOUND") {
throw new Error(
`Have you forgotten to install \`@changesets/cli\` in "${cwd}"?`
);
}
throw err;
}
};
type GetMessageOptions = {
hasPublishScript: boolean;
branch: string;
changedPackagesInfo: {
highestLevel: number;
private: boolean;
content: string;
header: string;
}[];
prBodyMaxCharacters: number;
preState?: PreState;
};
export async function getVersionPrBody({
hasPublishScript,
preState,
changedPackagesInfo,
prBodyMaxCharacters,
branch,
}: GetMessageOptions) {
let messageHeader = `This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and ${
hasPublishScript
? `the packages will be published to npm automatically`
: `publish to npm yourself or [setup this action to publish automatically](https://github.com/changesets/action#with-publishing)`
}. If you're not ready to do a release yet, that's fine, whenever you add more changesets to ${branch}, this PR will be updated.
`;
let messagePrestate = !!preState
? `⚠️⚠️⚠️⚠️⚠️⚠️
\`${branch}\` is currently in **pre mode** so this branch has prereleases rather than normal releases. If you want to exit prereleases, run \`changeset pre exit\` on \`${branch}\`.
⚠️⚠️⚠️⚠️⚠️⚠️
`
: "";
let messageReleasesHeading = `# Releases`;
let fullMessage = [
messageHeader,
messagePrestate,
messageReleasesHeading,
...changedPackagesInfo.map((info) => `${info.header}\n\n${info.content}`),
].join("\n");
// Check that the message does not exceed the size limit.
// If not, omit the changelog entries of each package.
if (fullMessage.length > prBodyMaxCharacters) {
fullMessage = [
messageHeader,
messagePrestate,
messageReleasesHeading,
`\n> The changelog information of each package has been omitted from this message, as the content exceeds the size limit.\n`,
...changedPackagesInfo.map((info) => `${info.header}\n\n`),
].join("\n");
}
// Check (again) that the message is within the size limit.
// If not, omit all release content this time.
if (fullMessage.length > prBodyMaxCharacters) {
fullMessage = [
messageHeader,
messagePrestate,
messageReleasesHeading,
`\n> All release information have been omitted from this message, as the content exceeds the size limit.`,
].join("\n");
}
return fullMessage;
}
type VersionOptions = {
script?: string;
githubToken: string;
cwd?: string;
prTitle?: string;
commitMessage?: string;
hasPublishScript?: boolean;
prBodyMaxCharacters?: number;
};
type RunVersionResult = {
pullRequestNumber: number;
};
export async function runVersion({
script,
githubToken,
cwd = process.cwd(),
prTitle = "Version Packages",
commitMessage = "Version Packages",
hasPublishScript = false,
prBodyMaxCharacters = MAX_CHARACTERS_PER_MESSAGE,
}: VersionOptions): Promise<RunVersionResult> {
let repo = `${github.context.repo.owner}/${github.context.repo.repo}`;
let branch = github.context.ref.replace("refs/heads/", "");
let versionBranch = `changeset-release/${branch}`;
let octokit = github.getOctokit(githubToken);
let { preState } = await readChangesetState(cwd);
await gitUtils.switchToMaybeExistingBranch(versionBranch);
await gitUtils.reset(github.context.sha);
let versionsByDirectory = await getVersionsByDirectory(cwd);
if (script) {
let [versionCommand, ...versionArgs] = script.split(/\s+/);
await exec(versionCommand, versionArgs, { cwd });
} else {
let changesetsCliPkgJson = requireChangesetsCliPkgJson(cwd);
let cmd = semver.lt(changesetsCliPkgJson.version, "2.0.0")
? "bump"
: "version";
await exec("node", [resolveFrom(cwd, "@changesets/cli/bin.js"), cmd], {
cwd,
});
}
let searchQuery = `repo:${repo}+state:open+head:${versionBranch}+base:${branch}`;
let searchResultPromise = octokit.search.issuesAndPullRequests({
q: searchQuery,
});
let changedPackages = await getChangedPackages(cwd, versionsByDirectory);
let changedPackagesInfoPromises = Promise.all(
changedPackages.map(async (pkg) => {
let changelogContents = await fs.readFile(
path.join(pkg.dir, "CHANGELOG.md"),
"utf8"
);
let entry = getChangelogEntry(changelogContents, pkg.packageJson.version);
return {
highestLevel: entry.highestLevel,
private: !!pkg.packageJson.private,
content: entry.content,
header: `## ${pkg.packageJson.name}@${pkg.packageJson.version}`,
};
})
);
const finalPrTitle = `${prTitle}${!!preState ? ` (${preState.tag})` : ""}`;
// project with `commit: true` setting could have already committed files
if (!(await gitUtils.checkIfClean())) {
const finalCommitMessage = `${commitMessage}${
!!preState ? ` (${preState.tag})` : ""
}`;
await gitUtils.commitAll(finalCommitMessage);
}
await gitUtils.push(versionBranch, { force: true });
let searchResult = await searchResultPromise;
console.log(JSON.stringify(searchResult.data, null, 2));
const changedPackagesInfo = (await changedPackagesInfoPromises)
.filter((x) => x)
.sort(sortTheThings);
let prBody = await getVersionPrBody({
hasPublishScript,
preState,
branch,
changedPackagesInfo,
prBodyMaxCharacters,
});
if (searchResult.data.items.length === 0) {
console.log("creating pull request");
const { data: newPullRequest } = await octokit.pulls.create({
base: branch,
head: versionBranch,
title: finalPrTitle,
body: prBody,
...github.context.repo,
});
return {
pullRequestNumber: newPullRequest.number,
};
} else {
const [pullRequest] = searchResult.data.items;
console.log(`updating found pull request #${pullRequest.number}`);
await octokit.pulls.update({
pull_number: pullRequest.number,
title: finalPrTitle,
body: prBody,
...github.context.repo,
});
return {
pullRequestNumber: pullRequest.number,
};
}
}