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package repository
import (
"errors"
"fmt"
"os"
"codeberg.org/lindenii/furgit/objectid"
"codeberg.org/lindenii/furgit/objectstore"
objectloose "codeberg.org/lindenii/furgit/objectstore/loose"
objectmix "codeberg.org/lindenii/furgit/objectstore/mix"
objectpacked "codeberg.org/lindenii/furgit/objectstore/packed"
)
func openObjectStore(root *os.Root, algo objectid.Algorithm) (objectstore.Store, *objectloose.Store, error) {
objectsRoot, err := root.OpenRoot("objects")
if err != nil {
return nil, nil, fmt.Errorf("repository: open objects: %w", err)
}
looseStore, err := objectloose.New(objectsRoot, algo)
if err != nil {
return nil, nil, err
}
backends := []objectstore.Store{looseStore}
packRoot, err := objectsRoot.OpenRoot("pack")
if err == nil {
var packedStore *objectpacked.Store
packedStore, err = objectpacked.New(packRoot, algo)
if err != nil {
_ = looseStore.Close()
return nil, nil, err
}
backends = append(backends, packedStore)
} else if !errors.Is(err, os.ErrNotExist) {
_ = looseStore.Close()
return nil, nil, fmt.Errorf("repository: open objects/pack: %w", err)
}
objectsChain := objectmix.New(backends...)
objectsRootForWriting, err := root.OpenRoot("objects")
if err != nil {
_ = objectsChain.Close()
return nil, nil, fmt.Errorf("repository: open objects for loose writing: %w", err)
}
objectsLooseForWritingOnly, err := objectloose.New(objectsRootForWriting, algo)
if err != nil {
_ = objectsRootForWriting.Close()
_ = objectsChain.Close()
return nil, nil, err
}
return objectsChain, objectsLooseForWritingOnly, nil
}
// Objects returns the configured object store.
func (repo *Repository) Objects() objectstore.Store {
return repo.objects
}
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