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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/
How do I find the SHA blob for the specific file? Supposed in my testrepo in the test account here, what is the SHA blob for the test.txt file?
https://github.com/testacc01/testrepo01
Thank you so much!
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So, you can see what the SHA is in the "sha" field of the JSON response. Use that when you formulate your request to update the file with a new version. After you have successfully updated the file, the file will have a new SHA that you will need to request before it can be updated again.
When you make a commit to save your work, Git creates a unique ID (a.k.a. the "SHA" or "hash") that allows you to keep record of the specific changes committed along with who made them and when. Commits usually contain a commit message which is a brief description of what changes were made.
A Git blob (binary large object) is the object type used to store the contents of each file in a repository. The file's SHA-1 hash is computed and stored in the blob object. These endpoints allow you to read and write blob objects to your Git database on GitHub. Blobs leverage these custom media types.
The docs for updating a file specify that you will need to provide the SHA for the file you will be replacing. The easiest way would be to query github for that, too. For example:
> curl https://api.github.com/repos/testacc01/testrepo01/contents/test.txt { "name": "test.txt", "path": "test.txt", "sha": "4f8a0fd8ab3537b85a64dcffa1487f4196164d78", "size": 13, … So, you can see what the SHA is in the "sha" field of the JSON response. Use that when you formulate your request to update the file with a new version. After you have successfully updated the file, the file will have a new SHA that you will need to request before it can be updated again. (Unless, I guess, your next update goes on a different branch.)
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