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Once the clone is complete, git lfs clone moves on to the second step, which is to perform the same tasks as git lfs pull to download and populate your working copy with real LFS content.

Step 2: it calls ‘git lfs pull’ to bulk download This means that when it comes to the checkout part of the clone operation and files which are tracked in Git LFS are created in the working copy, the smudge filter is not invoked and they are initially written to disk exactly as Git sees them just pointer files that look something like this: Git -c = -c =false clone ĭepending on the version of Git you’re using, this command will be slightly different to cope with the way Git behaviour has changed. The new git lfs clone command first calls git clone, but it disables the LFS smudge filter using Git’s -c option like this: Step 1: it calls ‘git clone’ with custom settings

#Lfs xrg drag setup Patch#

We tried out a number of approaches, and the eventual solution we settled on for 1.2 was very much a group effort it even resulted in a patch to Git core which makes the feature even faster when used with the recently released Git 2.8. This is especially expensive on Windows where there is a significant performance cost for starting new processes.

A separate Git LFS process is forked via the smudge filter for each file checked out.

After hearing back from the API, Git LFS usually downloads multiple files in parallel, but can’t in this case.

But since the smudge filter only asks for one file at a time, it generates a lot more API calls.

Git LFS usually makes batch calls to the server’s LFS API, asking about multiple files at once.

The problem is, Git calls the smudge filter separately for every LFS file it encounters, and unfortunately this doesn’t perform very well, for several reasons: This then downloads any content it doesn’t have on demand. Once that’s done, the default branch is checked out to create your starting working copy, and the smudge filter is called for any LFS files. So under normal circumstances when you use git clone, firstly git downloads the repository objects, which in LFS terms are just pointer data. This task is usually done by something called the smudge filter, which is called whenever you check something out into your working copy. In order to give you a valid working copy to edit, some process has to turn those pointers into real file content, downloading it if necessary. In Git LFS, large file content is stored separately from the Git repository, and only small pointers are committed in their place.

The difference is all about how exactly LFS content is detected and downloaded when you clone a repository. The git lfs clone command operates exactly like git clone and takes all the same arguments, but has one important difference: it’s a lot faster! Depending on the number of files you have it can be more than 10x faster in fact. Cloning at light speed with git lfs cloneĪ new feature you definitely want to take advantage of if you have a very large repository, and especially if you’re on Windows, is the specialized LFS clone command:

#Lfs xrg drag setup full#

Looking at it now I think we’re all surprised how many things we squeezed in! I thought I’d take a moment in this blog post to highlight one of the features of this release, but if you’re using Git LFS I recommend taking a look at the full release notes (in which I’m ‘ 🙂 ). Last week, Git LFS reached a new milestone with the release of version 1.2.

#Lfs xrg drag setup professional#

Our own Bitbucket Server and SourceTree provide professional teams with the ultimate Git solutions, including support for Git LFS. Together, we’re trying to solve the problems that face teams who need to store large files in their Git repositories, on projects like game development, media production and graphic design. As we announced a little while ago, Atlassian is collaborating with GitHub and many others in the community to contribute to the ongoing development of Git LFS.