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105 lines
3.2 KiB
JavaScript
105 lines
3.2 KiB
JavaScript
const { readPreState } = require('@changesets/pre');
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const { default: readChangesets } = require('@changesets/read');
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const { join } = require('path');
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const { version } = require(join(__dirname, '../../../package.json'));
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module.exports = async ({ github, context, core }) => {
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const state = await getState({ github, context, core });
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function setOutput(key, value) {
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core.info(`State ${key} = ${value}`);
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core.setOutput(key, value);
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}
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// Jobs to trigger
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setOutput('start', shouldRunStart(state));
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setOutput('promote', shouldRunPromote(state));
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setOutput('changesets', shouldRunChangesets(state));
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setOutput('publish', shouldRunPublish(state));
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setOutput('merge', shouldRunMerge(state));
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// Global Variables
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setOutput('is_prerelease', state.prerelease);
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};
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function shouldRunStart({ isMaster, isWorkflowDispatch, botRun }) {
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return isMaster && isWorkflowDispatch && !botRun;
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}
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function shouldRunPromote({ isReleaseBranch, isWorkflowDispatch, botRun }) {
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return isReleaseBranch && isWorkflowDispatch && !botRun;
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}
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function shouldRunChangesets({ isReleaseBranch, isPush, isWorkflowDispatch, botRun }) {
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return (isReleaseBranch && isPush) || (isReleaseBranch && isWorkflowDispatch && botRun);
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}
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function shouldRunPublish({ isReleaseBranch, isPush, hasPendingChangesets }) {
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return isReleaseBranch && isPush && !hasPendingChangesets;
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}
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function shouldRunMerge({
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isReleaseBranch,
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isPush,
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prerelease,
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isCurrentFinalVersion,
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hasPendingChangesets,
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prBackExists,
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}) {
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return isReleaseBranch && isPush && !prerelease && isCurrentFinalVersion && !hasPendingChangesets && prBackExists;
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}
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async function getState({ github, context, core }) {
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// Variables not in the context
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const refName = process.env.GITHUB_REF_NAME;
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const botRun = process.env.TRIGGERING_ACTOR === 'github-actions[bot]';
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const { changesets, preState } = await readChangesetState();
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// Static vars
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const state = {
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refName,
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hasPendingChangesets: changesets.length > 0,
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prerelease: preState?.mode === 'pre',
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isMaster: refName === 'master',
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isReleaseBranch: refName.startsWith('release-v'),
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isWorkflowDispatch: context.eventName === 'workflow_dispatch',
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isPush: context.eventName === 'push',
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isCurrentFinalVersion: !version.includes('-rc.'),
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botRun,
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};
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// Async vars
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const { data: prs } = await github.rest.pulls.list({
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owner: context.repo.owner,
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repo: context.repo.repo,
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head: `${context.repo.owner}:merge/${state.refName}`,
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base: 'master',
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state: 'open',
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});
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state.prBackExists = prs.length === 0;
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// Log every state value in debug mode
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if (core.isDebug()) for (const [key, value] of Object.entries(state)) core.debug(`${key}: ${value}`);
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return state;
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}
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// From https://github.com/changesets/action/blob/v1.4.1/src/readChangesetState.ts
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async function readChangesetState(cwd = process.cwd()) {
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const preState = await readPreState(cwd);
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const isInPreMode = preState !== undefined && preState.mode === 'pre';
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let changesets = await readChangesets(cwd);
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if (isInPreMode) {
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changesets = changesets.filter(x => !preState.changesets.includes(x.id));
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}
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return {
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preState: isInPreMode ? preState : undefined,
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changesets,
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};
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}
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