The operation described bellow can be slightly destructive. Please make sure to understand it before running it.
You can also do dry-run by using the -d option.
Install github-label-sync
npm install -g github-label-syncGITHUB_ACCESS_TOKEN-""
github-label-sync -a $GITHUB_ACCESS_TOKEN -l ./github-contribution-labels/labels.json -A <organisation>/<repository>If some of your already existing labels overlap with the one being added, you can specify them as aliases in labels.json and they will be automaticaly converted to their new counterparts.