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Clone only most recent commits #49

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Clone only most recent commits #49

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9 changes: 9 additions & 0 deletions storages/git/git.go
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Original file line number Diff line number Diff line change
Expand Up @@ -185,6 +185,15 @@ func (storageSession *storageSession) clone(params *RequestMetadataParams) error
URL: params.Repository,
Auth: auth,
ReferenceName: ref(params.Ref, false),
// We only need to know the latest version of branches to be able to commit on top
// of them. And, we don't otherwise use the history of the repository. So, this
// saves a lot data.
// A further improvement that has not been implemented would be to use
// sparse-checkouts to only retrieve only blobs (i.e., files) from the server that
// we actually care about. The depth here prevents performance problems from
// history growth. sparse-checkouts help with horizontal growth (e.g., additional
// systems managed by the repository).
Depth: 1,
}

repository, err := git.Clone(storageSession.storer, storageSession.fs, cloneOptions)
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