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Run tasks to optimize Git repository data, speeding up other Git commands and reducing storage requirements for the repository.
Git commands that add repository data, such as
git add or
are optimized for a responsive user experience. These commands do not take
time to optimize the Git data, since such optimizations scale with the full
size of the repository while these user commands each perform a relatively
git maintenance command provides flexibility for how to optimize the
commit-graphjob updates the
commit-graphfiles incrementally, then verifies that the written data is correct. The incremental write is safe to run alongside concurrent Git processes since it will not expire
.graphfiles that were in the previous
commit-graph-chainfile. They will be deleted by a later run based on the expiration delay.
Clean up unnecessary files and optimize the local repository. "GC" stands for "garbage collection," but this task performs many smaller tasks. This task can be expensive for large repositories, as it repacks all Git objects into a single pack-file. It can also be disruptive in some situations, as it deletes stale data. See git-gc for more details on garbage collection in Git.
When combined with the
runsubcommand, run maintenance tasks only if certain thresholds are met. For example, the
gctask runs when the number of loose objects exceeds the number stored in the
gc.autoconfig setting, or when the number of pack-files exceeds the
Do not report progress or other information over
If this option is specified one or more times, then only run the specified tasks in the specified order. If no
--task=<task>arguments are specified, then only the tasks with
trueare considered. See the TASKS section for the list of accepted
Part of the git suite