Note: To access the Migrations API, you must provide a custom media type in the Accept header:
application/vnd.github.wyandotte-preview+json
Warning: The API may change without advance notice during the preview period. Preview features are not supported for production use. If you experience any issues, contact GitHub Support or GitHub Premium Support.
Fetches the URL to a migration archive.
GET /orgs/:org/migrations/:migration_id/archive
Status: 302 Found
https://s3.amazonaws.com/github-cloud/migration/79/67?response-content-disposition=filename%3D0b989ba4-242f-11e5-81e1.tar.gz&response-content-type=application/x-gzip