yuzu/.github/workflows/android-merge.js

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// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
// Note: This is a GitHub Actions script
// It is not meant to be executed directly on your machine without modifications
const fs = require("fs");
// which label to check for changes
const CHANGE_LABEL_MAINLINE = 'android-merge';
const CHANGE_LABEL_EA = 'android-ea-merge';
// how far back in time should we consider the changes are "recent"? (default: 24 hours)
const DETECTION_TIME_FRAME = (parseInt(process.env.DETECTION_TIME_FRAME)) || (24 * 3600 * 1000);
const BUILD_EA = process.env.BUILD_EA == 'true';
const MAINLINE_TAG = process.env.MAINLINE_TAG;
async function checkBaseChanges(github) {
// query the commit date of the latest commit on this branch
const query = `query($owner:String!, $name:String!, $ref:String!) {
repository(name:$name, owner:$owner) {
ref(qualifiedName:$ref) {
target {
... on Commit { id pushedDate oid }
}
}
}
}`;
const variables = {
owner: 'yuzu-emu',
name: 'yuzu',
ref: 'refs/heads/master',
};
const result = await github.graphql(query, variables);
const pushedAt = result.repository.ref.target.pushedDate;
console.log(`Last commit pushed at ${pushedAt}.`);
const delta = new Date() - new Date(pushedAt);
if (delta <= DETECTION_TIME_FRAME) {
console.info('New changes detected, triggering a new build.');
return true;
}
console.info('No new changes detected.');
return false;
}
async function checkAndroidChanges(github) {
if (checkBaseChanges(github)) return true;
const pulls = getPulls(github, false);
for (let i = 0; i < pulls.length; i++) {
let pull = pulls[i];
if (new Date() - new Date(pull.headRepository.pushedAt) <= DETECTION_TIME_FRAME) {
console.info(`${pull.number} updated at ${pull.headRepository.pushedAt}`);
return true;
}
}
console.info("No changes detected in any tagged pull requests.");
return false;
}
async function tagAndPush(github, owner, repo, execa, commit=false) {
let altToken = process.env.ALT_GITHUB_TOKEN;
if (!altToken) {
throw `Please set ALT_GITHUB_TOKEN environment variable. This token should have write access to ${owner}/${repo}.`;
}
const query = `query ($owner:String!, $name:String!) {
repository(name:$name, owner:$owner) {
refs(refPrefix: "refs/tags/", orderBy: {field: TAG_COMMIT_DATE, direction: DESC}, first: 10) {
nodes { name }
}
}
}`;
const variables = {
owner: owner,
name: repo,
};
const tags = await github.graphql(query, variables);
const tagList = tags.repository.refs.nodes;
let lastTag = 'android-1';
for (let i = 0; i < tagList.length; ++i) {
if (tagList[i].name.includes('android-')) {
lastTag = tagList[i].name;
break;
}
}
const tagNumber = /\w+-(\d+)/.exec(lastTag)[1] | 0;
const channel = repo.split('-')[1];
const newTag = `${channel}-${tagNumber + 1}`;
console.log(`New tag: ${newTag}`);
if (commit) {
let channelName = channel[0].toUpperCase() + channel.slice(1);
console.info(`Committing pending commit as ${channelName} ${tagNumber + 1}`);
await execa("git", ['commit', '-m', `${channelName} ${tagNumber + 1}`]);
}
console.info('Pushing tags to GitHub ...');
await execa("git", ['tag', newTag]);
await execa("git", ['remote', 'add', 'target', `https://${altToken}@github.com/${owner}/${repo}.git`]);
await execa("git", ['push', 'target', 'master', '-f']);
await execa("git", ['push', 'target', 'master', '--tags']);
console.info('Successfully pushed new changes.');
}
async function tagAndPushEA(github, owner, repo, execa) {
let altToken = process.env.ALT_GITHUB_TOKEN;
if (!altToken) {
throw `Please set ALT_GITHUB_TOKEN environment variable. This token should have write access to ${owner}/${repo}.`;
}
const query = `query ($owner:String!, $name:String!) {
repository(name:$name, owner:$owner) {
refs(refPrefix: "refs/tags/", orderBy: {field: TAG_COMMIT_DATE, direction: DESC}, first: 10) {
nodes { name }
}
}
}`;
const variables = {
owner: owner,
name: repo,
};
const tags = await github.graphql(query, variables);
const tagList = tags.repository.refs.nodes;
let lastTag = 'ea-1';
for (let i = 0; i < tagList.length; ++i) {
if (tagList[i].name.includes('ea-')) {
lastTag = tagList[i].name;
break;
}
}
const tagNumber = /\w+-(\d+)/.exec(lastTag)[1] | 0;
const newTag = `ea-${tagNumber + 1}`;
console.log(`New tag: ${newTag}`);
console.info('Pushing tags to GitHub ...');
await execa("git", ["remote", "add", "android", "https://github.com/yuzu-emu/yuzu-android.git"]);
await execa("git", ["fetch", "android"]);
await execa("git", ['tag', newTag]);
await execa("git", ['push', 'android', `${newTag}`]);
fs.writeFile('tag-name.txt', newTag, (err) => {
if (err) throw 'Could not write tag name to file!'
})
console.info('Successfully pushed new changes.');
}
async function generateReadme(pulls, context, mergeResults, execa) {
let baseUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}/`;
let output =
"| Pull Request | Commit | Title | Author | Merged? |\n|----|----|----|----|----|\n";
for (let pull of pulls) {
let pr = pull.number;
let result = mergeResults[pr];
output += `| [${pr}](${baseUrl}/pull/${pr}) | [\`${result.rev || "N/A"}\`](${baseUrl}/pull/${pr}/files) | ${pull.title} | [${pull.author.login}](https://github.com/${pull.author.login}/) | ${result.success ? "Yes" : "No"} |\n`;
}
output +=
"\n\nEnd of merge log. You can find the original README.md below the break.\n\n-----\n\n";
output += fs.readFileSync("./README.md");
fs.writeFileSync("./README.md", output);
await execa("git", ["add", "README.md"]);
}
async function fetchPullRequests(pulls, repoUrl, execa) {
console.log("::group::Fetch pull requests");
for (let pull of pulls) {
let pr = pull.number;
console.info(`Fetching PR ${pr} ...`);
await execa("git", [
"fetch",
"-f",
"--no-recurse-submodules",
repoUrl,
`pull/${pr}/head:pr-${pr}`,
]);
}
console.log("::endgroup::");
}
async function mergePullRequests(pulls, execa) {
let mergeResults = {};
console.log("::group::Merge pull requests");
await execa("git", ["config", "--global", "user.name", "yuzubot"]);
await execa("git", [
"config",
"--global",
"user.email",
"yuzu\x40yuzu-emu\x2eorg", // prevent email harvesters from scraping the address
]);
let hasFailed = false;
for (let pull of pulls) {
let pr = pull.number;
console.info(`Merging PR ${pr} ...`);
try {
const process1 = execa("git", [
"merge",
"--squash",
"--no-edit",
`pr-${pr}`,
]);
process1.stdout.pipe(process.stdout);
await process1;
const process2 = execa("git", ["commit", "-m", `Merge yuzu-emu#${pr}`]);
process2.stdout.pipe(process.stdout);
await process2;
const process3 = await execa("git", ["rev-parse", "--short", `pr-${pr}`]);
mergeResults[pr] = {
success: true,
rev: process3.stdout,
};
} catch (err) {
console.log(
`::error title=#${pr} not merged::Failed to merge pull request: ${pr}: ${err}`
);
mergeResults[pr] = { success: false };
hasFailed = true;
await execa("git", ["reset", "--hard"]);
}
}
console.log("::endgroup::");
if (hasFailed) {
throw 'There are merge failures. Aborting!';
}
return mergeResults;
}
async function resetBranch(execa) {
console.log("::group::Reset master branch");
let hasFailed = false;
try {
await execa("git", ["remote", "add", "source", "https://github.com/yuzu-emu/yuzu.git"]);
await execa("git", ["fetch", "source"]);
const process1 = await execa("git", ["rev-parse", "source/master"]);
const headCommit = process1.stdout;
await execa("git", ["reset", "--hard", headCommit]);
} catch (err) {
console.log(`::error title=Failed to reset master branch`);
hasFailed = true;
}
console.log("::endgroup::");
if (hasFailed) {
throw 'Failed to reset the master branch. Aborting!';
}
}
async function getPulls(github) {
const query = `query ($owner:String!, $name:String!, $label:String!) {
repository(name:$name, owner:$owner) {
pullRequests(labels: [$label], states: OPEN, first: 100) {
nodes {
number title author { login }
}
}
}
}`;
const mainlineVariables = {
owner: 'yuzu-emu',
name: 'yuzu',
label: CHANGE_LABEL_MAINLINE,
};
const mainlineResult = await github.graphql(query, mainlineVariables);
const pulls = mainlineResult.repository.pullRequests.nodes;
if (BUILD_EA) {
const eaVariables = {
owner: 'yuzu-emu',
name: 'yuzu',
label: CHANGE_LABEL_EA,
};
const eaResult = await github.graphql(query, eaVariables);
const eaPulls = eaResult.repository.pullRequests.nodes;
return pulls.concat(eaPulls);
}
return pulls;
}
async function getMainlineTag(execa) {
console.log(`::group::Getting mainline tag android-${MAINLINE_TAG}`);
let hasFailed = false;
try {
await execa("git", ["remote", "add", "mainline", "https://github.com/yuzu-emu/yuzu-android.git"]);
await execa("git", ["fetch", "mainline", "--tags"]);
await execa("git", ["checkout", `tags/android-${MAINLINE_TAG}`]);
await execa("git", ["submodule", "update", "--init", "--recursive"]);
} catch (err) {
console.log('::error title=Failed pull tag');
hasFailed = true;
}
console.log("::endgroup::");
if (hasFailed) {
throw 'Failed pull mainline tag. Aborting!';
}
}
async function mergebot(github, context, execa) {
// Reset our local copy of master to what appears on yuzu-emu/yuzu - master
await resetBranch(execa);
const pulls = await getPulls(github);
let displayList = [];
for (let i = 0; i < pulls.length; i++) {
let pull = pulls[i];
displayList.push({ PR: pull.number, Title: pull.title });
}
console.info("The following pull requests will be merged:");
console.table(displayList);
await fetchPullRequests(pulls, "https://github.com/yuzu-emu/yuzu", execa);
const mergeResults = await mergePullRequests(pulls, execa);
if (BUILD_EA) {
await tagAndPushEA(github, 'yuzu-emu', `yuzu-android`, execa);
} else {
await generateReadme(pulls, context, mergeResults, execa);
await tagAndPush(github, 'yuzu-emu', `yuzu-android`, execa, true);
}
}
module.exports.mergebot = mergebot;
module.exports.checkAndroidChanges = checkAndroidChanges;
module.exports.tagAndPush = tagAndPush;
module.exports.checkBaseChanges = checkBaseChanges;
module.exports.getMainlineTag = getMainlineTag;