36 lines
1.4 KiB
JavaScript
Executable File
36 lines
1.4 KiB
JavaScript
Executable File
#!/usr/bin/env node
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// Output some `export` commands with a few extra environment variables. They'll be evaluated
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// into the build environment and available for use in later steps.
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const github = require('@octokit/rest')();
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const {execSync} = require('child_process');
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const pr = process.env['CIRCLE_PULL_REQUEST'];
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if (pr) {
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const number = +pr.match(/\/(\d+)\/?$/)[1];
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return github.pullRequests.get({
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owner: 'mapbox',
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repo: 'mapbox-gl-native',
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number
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}).then(({data}) => {
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const base = data.base.ref;
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const head = process.env['CIRCLE_SHA1'];
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const mergeBase = execSync(`git merge-base origin/${base} ${head}`).toString().trim();
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console.log(`export CIRCLE_TARGET_BRANCH=${base}`);
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console.log(`export CIRCLE_MERGE_BASE=${mergeBase}`);
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});
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} else {
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const head = process.env['CIRCLE_SHA1'];
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for (const sha of execSync(`git rev-list --max-count=500 ${head}`).toString().trim().split('\n')) {
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const base = execSync(`git branch -r --contains ${sha} origin/master origin/release-*`).toString().split('\n')[0].trim().replace(/^origin\//, '');
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if (base) {
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const mergeBase = execSync(`git merge-base origin/${base} ${head}`).toString().trim();
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console.log(`export CIRCLE_TARGET_BRANCH=${base}`);
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console.log(`export CIRCLE_MERGE_BASE=${mergeBase}`);
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break;
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}
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}
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}
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