How to find a Github file 's SHA blob

Question

I\'m using this API to update a file on my repo, it requires me to have a valid SHA blob for a file that I want to update:

http://developer.github.com/v3/repos/contents/

Answer 1

If you use GraphQL API v4, you can use the following to find the sha of a specific file :

{
  repository(owner: "testacc01", name: "testrepo01") {
    object(expression: "master:test.txt") {
      ... on Blob {
        oid
      }
    }
  }
}

Try it in the explorer