Git Large File Storage (LFS): Streamlining Large File Management in Git
Git's efficiency can be hampered by large files. Git Large File Storage (LFS), an open-source Git extension, solves this by replacing large files (images, videos, etc.) with text pointers. These pointers reference the actual files, stored externally on services like GitHub or AWS S3. This significantly reduces repository size and improves performance.
While initially this might seem complex, this guide clarifies LFS functionality.
Availability & Installation:
LFS is widely available. For Linux/Windows, download the installer from git-lfs.github.com. macOS users can utilize Homebrew (brew install git-lfs
).
Getting Started (Command Line Only):
Currently, LFS functionality is limited to the command line. GUI Git clients may not fully support LFS.
- Create a Git repository.
- Track desired file types using
git lfs track "*.psd"
orgit lfs track "*.mp3"
. - Use standard Git commands (
git add
,git commit
,git push
) to manage files.
Understanding LFS Behavior:
The key difference between standard Git and LFS is file location. Standard Git stores files directly in the repository. LFS stores them externally, referencing them via pointers.
After pushing changes, the .git
folder initially appears large. However, cloning the repository reveals significantly smaller .git
files containing only the file pointers.
Accessing the actual files requires the git lfs fetch
command. This downloads the files locally. Specific branches or commits can be targeted: git lfs fetch
, git lfs fetch <branch></branch>
, git lfs fetch <commit hash></commit>
.
Conclusion:
Git LFS offers a promising solution for managing large files within Git. Improved documentation and third-party tool integration are needed. Its effectiveness is most apparent in larger teams with established CI/CD pipelines. Smaller teams might find the external storage requirement a constraint.
Frequently Asked Questions (FAQs):
- What is Git LFS? An open-source extension for versioning large files efficiently by replacing them with pointers.
- How does it differ from regular Git? Regular Git stores files directly; LFS stores pointers and files externally.
-
How to install? Download from git-lfs.github.com and run the installer or use
brew install git-lfs
(macOS). -
How to track files? Use
git lfs track "*.<extension>"</extension>
. - Compatibility? Works with most Git repositories and hosting services supporting LFS.
- Cloning with LFS? Downloads large files on demand, not all at once.
-
Untracking files? Use
git lfs untrack "*.<extension>"</extension>
. -
Viewing tracked files? Use
git lfs ls-files
. - Private repositories? Use with private repositories, ensuring external storage is also private.
- Limitations? Requires external storage, potentially increasing costs; not all services support it.
The above is the detailed content of Versioning Large Files with Git LFS. For more information, please follow other related articles on the PHP Chinese website!

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