Does GitHub run garbage collection?

The git gc command cleans up unnecessary files and optimizes the local repository. GitHub runs this operation on its hosted repositories automatically on a regular basis based on a variety of triggers. Locally you can run it at any time. Running it won’t have any adverse effect on your repository.

What is git garbage collection?

The git gc command is a repository maintenance command. The “gc” stands for garbage collection. Executing git gc is literally telling Git to clean up the mess it’s made in the current repository. Garbage collection is a concept that originates from interpreted programming languages which do dynamic memory allocation.

When should you not run git gc `?

See gc. auto below for how to disable this behavior. Running git gc manually should only be needed when adding objects to a repository without regularly running such porcelain commands, to do a one-off repository optimization, or e.g. to clean up a suboptimal mass-import.

What does git gc — prune now?

git gc –prune=now removes the commits themselves. Attention: Only using git gc –prune=now will not work since those commits are still referenced in the reflog. Therefore, clearing the reflog is mandatory.

How do I clean my repository?

git clean

  1. If you just clean untracked files, run git clean -f.
  2. If you want to also remove directories, run git clean -f -d.
  3. If you just want to remove ignored files, run git clean -f -X.
  4. If you want to remove ignored as well as non-ignored files, run git clean -f -x.

Why is my git repo so large?

But, even in that case, you keep on committing large files, your git repo size may increase due to the version history. You have to reduce your git repo size in order to work it seamlessly. Ideally, we should keep your repository size to between 100MB and 300MB.

What is git fsck?

It stands for File System ChecK. The name is taken from the Unix fsck command, which is used to validate a file system.

What is git Rerere?

The git rerere functionality is a bit of a hidden feature. The name stands for “reuse recorded resolution” and, as the name implies, it allows you to ask Git to remember how you’ve resolved a hunk conflict so that the next time it sees the same conflict, Git can resolve it for you automatically.

Should I run git gc?

How often should you use git-gc? The manual page simply says: Users are encouraged to run this task on a regular basis within each repository to maintain good disk space utilization and good operating performance.

Can you undo git clean?

When finally executed git clean is not undo-able. When fully executed, git clean will make a hard filesystem deletion, similar to executing the command line rm utility. Make sure you really want to delete the untracked files before you run it.

How do I ignore untracked files?

You can handle untracked files from a Git branch using these methods:

  1. A .gitignore file, which ignores the files and directories in a repository.
  2. The git clean -fx command, which removes untracked and tracked files.
  3. The git clean -fd command, which removes untracked files and directories.