git-prune

Prune unreachable objects

$ git prune

$ git prune -n

$ git prune -v

$ git prune --expire [2.weeks.ago]

git prune [options]

git prune removes unreachable objects from the object database. Objects become unreachable when their referencing commits are deleted or rebased away.
The command is typically run as part of git gc. Direct use is for specific cleanup scenarios. Expire times prevent pruning recent objects that might still be needed.
git prune cleans up orphaned repository objects.

-n, --dry-run

Show what would be removed.

Report removed objects.

Only prune older than date.

Show progress.

Display help information.

Usually run by git gc. Can delete objects needed by concurrent operations. Use expire time for safety.

git prune is a core Git maintenance command for removing unreachable objects, typically invoked through git gc.

git-gc(1), git-fsck(1), git-reflog(1)