diff options
Diffstat (limited to 'scripts/environment.js')
-rwxr-xr-x | scripts/environment.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/scripts/environment.js b/scripts/environment.js new file mode 100755 index 0000000000..cb533a74a8 --- /dev/null +++ b/scripts/environment.js @@ -0,0 +1,34 @@ +#!/usr/bin/env node + +// Output some `export` commands with a few extra environment variables. They'll be evaluated +// into the build environment and available for use in later steps. + +const github = require('@octokit/rest')(); +const {execSync} = require('child_process'); + +const pr = process.env['CIRCLE_PULL_REQUEST']; +const head = process.env['CIRCLE_SHA1'] || 'HEAD'; +if (pr) { + const number = +pr.match(/\/(\d+)\/?$/)[1]; + return github.pullRequests.get({ + owner: 'mapbox', + repo: 'mapbox-gl-native', + number + }).then(({data}) => { + const base = data.base.ref; + const mergeBase = execSync(`git merge-base origin/${base} ${head}`).toString().trim(); + + console.log(`export CIRCLE_TARGET_BRANCH=${base}`); + console.log(`export CIRCLE_MERGE_BASE=${mergeBase}`); + }); +} else { + for (const sha of execSync(`git rev-list --max-count=10 ${head}`).toString().trim().split('\n')) { + const base = execSync(`git branch -r --contains ${sha} origin/master origin/release-*`).toString().split('\n')[0].trim().replace(/^origin\//, ''); + if (base.match(/^(master|release-[a-z]+)$/)) { + const mergeBase = execSync(`git merge-base origin/${base} ${head}`).toString().trim(); + console.log(`export CIRCLE_TARGET_BRANCH=${base}`); + console.log(`export CIRCLE_MERGE_BASE=${mergeBase}`); + break; + } + } +} |