Is it possible to store only a checksum of a large file in git?

Posted by Andrew Grimm on Stack Overflow See other posts from Stack Overflow or by Andrew Grimm
Published on 2009-10-01T01:37:22Z Indexed on 2010/03/19 19:01 UTC
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I'm a bioinformatician currently extracting normal-sized sequences from genomic files. Some genomic files are large enough that I don't want to put them into the main git repository, whereas I'm putting the extracted sequences into git.

Is it possible to tell git "Here's a large file - don't store the whole file, just take its checksum, and let me know if that file is missing or modified."

If that's not possible, I guess I'll have to either git-ignore the large files, or, as suggested in this question, store them in a submodule.

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