While looking for commits like these, I started to become suspicious that people were intentionally modifying their commits IDs to be unusual: Sure en

Unusual Git IDs | Bryan Braun - Frontend Developer

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2024-11-28 05:00:03

While looking for commits like these, I started to become suspicious that people were intentionally modifying their commits IDs to be unusual:

Sure enough, there are tools you can use to generate “vanity” commit IDs (like git-vanity-hash). These tools work by using the “brute-force” method. Basically, they create a commit, check the hash, and if it doesn’t match, they increment a piece of data in the commit header and try again.

That’s pretty clever but I’m more interested in unusual commit IDs that occur naturally. How often do they happen? Have I ever created one before?

This worked but it has a maximum limit of 1000 commits (my public total is closer to 4k). Eventually, I found a way to get them all by writing a bash script to break up my queries by year, generating one file per query, and combining the files when done:

Now I just needed to scan my commit IDs for unusual patterns. Grep is good at this kind of thing so I put together a bash script that uses grep to do various checks:

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