Create Github labels from a JSON file

create-labels.js

const https = require('https');
const fs = require('fs');
const LABELS_FILE = 'labels.json';

if (!fs.existsSync(LABELS_FILE)) {
  console.log(LABELS_FILE + ' does not exist!');
  return 1;
} else if (process.argv.length !== 5) {
  console.log('Usage:' + process.argv[0] + ' ' + process.argv[1] + ' <owner> <repo> <token>');
  return 2;
}

var options = {
  hostname: 'api.github.com',
  path: '/repos/' + process.argv[2] + '/' + process.argv[3] + '/labels',
  method: 'POST',
  headers: {
      'Authorization': 'token ' + process.argv[4],
      'User-Agent': 'node script'
  }
};

function create(name, color) {
  var req = https.request(options, r => console.log(`Creating label ${name}...${r.statusCode}`));
  req.write(JSON.stringify({ name: name, color: color }));
  req.end();
}

var labels = JSON.parse(fs.readFileSync(LABELS_FILE, 'utf8'));
for(name in labels) {
  var color = labels[name];
  if (typeof color !== 'string' || color.trim().length === 0) continue;
  create(name, color);
}

labels.json

{
  "Priority: Critical": "ee0701",
  "Priority: High": "ff9900",
  "Priority: Low": "009900",
  "Status: Ready": "c2e0c6",
  "Status: Blocked": "b60205",
  "Status: In Progress": "0052cc",
  "Status: Review Needed": "eecc00",
  "Type: Bug": "ee0701",
  "Type: Feature": "84b6eb",
  "Type: Question": "cc317c"
}

OWNER=owner
REPO=your_repo
TOKEN=your_token

To delete all labels:

for i in `curl https://api.github.com/repos/$OWNER/$REPO/labels | jq -r '.[].url'`; do 
  curl -H "Authorization: token $TOKEN" -X DELETE "$i";
done

To add new labels:

wget https://gist.github.com/victorzinho/dcb3fe39cfc4202139817258bf14f836/raw/create-labels.js
wget https://gist.github.com/victorzinho/dcb3fe39cfc4202139817258bf14f836/raw/labels.json
node create-labels.js $OWNER $REPO $TOKEN