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It's a hash of everything that goes into a commit, including the commit message. The idea is that nothing that makes up a commit can change without changing the
by entropy_ 4y ago
It's a hash of everything that goes into a commit, including the commit message. The idea is that nothing that makes up a commit can change without changing the hash.
- mjochim 4y ago> It's a hash of everything that goes into a commit, including the commit message ... and, very notably, the hash of the parent commit. That is also part of the commit, which means that changing a parent commit would also imply changing the hashes of all later commits. This is sort of the whole point of git/version control.
- ludwigvan 4y agoPoor man’s blockchain it is, then :)
- Biganon 4y agoThis might be a stupid question, but does anyone call git history a blockchain, then? A centralized blockchain, without proof of work or proof of anything really of course, but still, it sounds like the basic blockchain idea is there
- erik_seaberg 4y agoGit branches form a https://en.wikipedia.org/wiki/Merkle_tree https://en.wikipedia.org/wiki/Merkle_tree. Blockchain forks do also, but the goal is usually to ignore all but the longest.