Then why use multiple commands when git clone -depth=1 suffices.ġ for Karthik and 0 for the person on the chat. The only difference is the time taken for the wire transfer and this can obviously fluctuate as per the load on your connection. We can also see the total size transferred over the wire is the same, i.e. Whats interesting here is that the number of objects which we’re compressing and sending over the wire is the same for both the examples, that is 9194. HEAD is now at 460900a os/signal: test with a significantly longer fatal timeout Turn off this advice by setting config variable tachedHead to false If you want to create a new branch to retain commits you create, you mayĭo so (now or later ) by using -c with the switch command. State without impacting any branches by switching back to a branch. You can look around, make experimentalĬhanges and commit them, and you can discard any commits you make in this Initialized empty Git repository in /tmp/go/.git/ Giving the other person the benefit of doubt, tet’s see if it’s practically any faster. I did my fair bit to push back, saying that both are the same and there shouldn’t be any difference, but the argument carried on to the end of the call with neither party agreeing. Theoretically I don’t see how this can be faster (since we still have to fetch the objects in the tree for that particular commit). Fetch only the required branch via git fetch -depth=1.Create an empty repository via git fetch.They theorized that a combination of git init and git fetch might be a fast option. Getting back to the company call I was present in, while the presentation was going on, someone suggested in the chat that this might not be the fastest way to do this. If you’re interested about the details, I would highly recommend going through this elaborate document about how Git works internally. So when we give the -depth=1 this means we only get the top 1 commit for that branch. Implies -single-branch unless -no-single-branch is given to fetch the histories near the tips of all branches. This the exact functionality provided by the -depth feature of git clone.Ĭreate a shallow clone with a history truncated to the specified number of commits. As such, it doesn’t make sense to clone the entire repository. But in CI pipelines, we don’t need the history. This cost is negligible in local setups as the repository is cloned 1ce while history is accessed often. The ability to go back in history comes with added storage cost. This is the price we pay for having version control. So you can imagine, as the commits build up, the tree too builds up. Every new commit will have similar child nodes, new files added will be added as new leaf nodes to the commit while existing unmodified files will have multiple parent commits in the tree. Each commit has child nodes which point to the file structure as per that commit. In simple terms, each commit in your git repository is a node in a tree datastructure that git maintains. That’s a whopping 5.8x improvement in speed. Remote: Enumerating objects: 10982, done.
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