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land.js
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land.js
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'use strict';
const { parsePRFromURL } = require('../../lib/links');
const { getMetadata } = require('../metadata');
const CLI = require('../../lib/cli');
const Request = require('../../lib/request');
const { runPromise } = require('../../lib/run');
const LandingSession = require('../../lib/landing_session');
const epilogue = require('./epilogue');
const yargs = require('yargs');
const landActions = {
apply: {
describe: 'Apply a patch with the given PR id',
type: 'number'
},
amend: {
describe: 'Amend the current commit',
type: 'boolean'
},
continue: {
alias: 'c',
describe: 'Continue the landing session',
type: 'boolean'
},
final: {
describe: 'Verify the landed PR and clean up',
type: 'boolean'
},
abort: {
describe: 'Abort the current landing session',
type: 'boolean'
},
backport: {
describe: 'Land a backport PR onto a staging branch',
default: false,
type: 'boolean'
},
autorebase: {
describe: 'Automatically rebase branches with multiple commits',
default: false,
type: 'boolean'
},
fixupAll: {
describe: 'Automatically fixup all commits to the first one dismissing ' +
'other commit messages',
default: false,
type: 'boolean'
}
};
const landOptions = {
yes: {
type: 'boolean',
default: false,
describe: 'Assume "yes" as answer to all prompts and run ' +
'non-interactively. If an undesirable situation occurs, such as a pull ' +
'request or commit check fails, then git node land will abort.'
},
skipRefs: {
describe: 'Prevent adding Fixes and Refs information to commit metadata',
default: false,
type: 'boolean'
},
lint: {
describe: 'Run linter while landing commits',
default: false,
type: 'boolean'
},
checkCI: {
describe: 'Query Jenkins CI results when checking the PR',
default: true,
type: 'boolean'
}
};
function builder(yargs) {
return yargs
.options(Object.assign({}, landOptions, landActions))
.positional('prid', {
describe: 'ID or URL of the Pull Request'
})
.epilogue(epilogue)
.example('git node land https://github.com/nodejs/node/pull/12344',
'Land https://github.com/nodejs/node/pull/12344 in the current directory')
.example('git node land 12344',
'Land https://github.com/nodejs/node/pull/12344 in the current directory')
.example('git node land --abort',
'Abort the current session')
.example('git node land --amend',
'Append metadata to the current commit message')
.example('git node land --final',
'Verify the landed PR and clean up')
.example('git node land --continue',
'Continue the current landing session');
}
const START = 'start';
const APPLY = 'apply';
const AMEND = 'amend';
const FINAL = 'final';
const CONTINUE = 'continue';
const ABORT = 'abort';
function handler(argv) {
if (argv.prid) {
if (Number.isInteger(argv.prid)) {
return land(START, argv);
} else {
const parsed = parsePRFromURL(argv.prid);
if (parsed) {
Object.assign(argv, parsed);
return land(START, argv);
}
}
yargs.showHelp();
return;
}
const provided = [];
for (const type of Object.keys(landActions)) {
if (argv[type]) {
provided.push(type);
}
}
if (provided.length === 1) {
return land(provided[0], argv);
}
// If the more than one action is provided or no valid action
// is provided, show help.
yargs.showHelp();
}
function land(state, argv) {
const cli = new CLI(process.stderr);
if (argv.yes) {
cli.setAssumeYes();
}
const req = new Request();
const dir = process.cwd();
return runPromise(main(state, argv, cli, req, dir)).catch((err) => {
if (cli.spinner.enabled) {
cli.spinner.fail();
}
throw err;
});
}
module.exports = {
command: 'land [prid|options]',
describe:
'Manage the current landing session or start a new one for a pull request',
builder,
handler
};
async function main(state, argv, cli, req, dir) {
let session = new LandingSession(cli, req, dir);
if (state !== AMEND && state !== CONTINUE && session.warnForWrongBranch()) {
return;
}
if (argv.yes) {
cli.setAssumeYes();
}
try {
session.restore();
} catch (err) { // JSON error?
if (state === ABORT) {
await session.abort();
return;
}
cli.warn(
'Failed to detect previous session. ' +
'please run `git node land --abort`');
return;
}
if (state === START) {
if (session.hasStarted()) {
cli.warn(
'Previous `git node land` session for ' +
`${session.pullName} in progress.`);
cli.log('run `git node land --abort` before starting a new session');
return;
}
session = new LandingSession(cli, req, dir, argv);
const metadata = await getMetadata(session.argv, argv.skipRefs, cli);
if (argv.backport) {
const split = metadata.metadata.split('\n')[0];
if (split === 'PR-URL: ') {
cli.error('Commit message is missing PR-URL');
}
}
return session.start(metadata);
} else if (state === APPLY) {
return session.apply();
} else if (state === AMEND) {
return session.amend();
} else if (state === FINAL) {
return session.final();
} else if (state === ABORT) {
return session.abort();
} else if (state === CONTINUE) {
return session.continue();
}
}