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package repository
import "os"
// Open opens a repository and wires object/ref stores from its on-disk format.
//
// Open borrows root during construction and does not close it.
func Open(root *os.Root) (repo *Repository, err error) {
repo = &Repository{}
defer func() {
if err != nil {
_ = repo.Close()
}
}()
cfg, err := parseRepositoryConfig(root)
if err != nil {
return nil, err
}
repo.config = cfg
algo, err := detectObjectAlgorithm(cfg)
if err != nil {
return nil, err
}
repo.algo = algo
objects, objectsRoot, objectsPackRoot, objectsLooseForWritingOnly, objectsWriteRoot, err := openObjectStore(root, algo)
if err != nil {
return nil, err
}
repo.objects = objects
repo.objectsRoot = objectsRoot
repo.objectsPackRoot = objectsPackRoot
repo.objectsLooseForWritingOnly = objectsLooseForWritingOnly
repo.objectsWriteRoot = objectsWriteRoot
refs, err := openRefStore(root, algo, detectPackedRefsTimeout(cfg))
if err != nil {
return nil, err
}
repo.refs = refs
return repo, nil
}
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