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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"
)
//nolint:ireturn
func openObjectStore(
root *os.Root,
algo objectid.Algorithm,
) (
objects objectstore.Store,
objectsRoot *os.Root,
objectsPackRoot *os.Root,
objectsLooseForWritingOnly *objectloose.Store,
objectsWriteRoot *os.Root,
err error,
) {
objectsRoot, err = root.OpenRoot("objects")
if err != nil {
return nil, nil, nil, nil, nil, fmt.Errorf("repository: open objects: %w", err)
}
looseStore, err := objectloose.New(objectsRoot, algo)
if err != nil {
_ = objectsRoot.Close()
return nil, nil, nil, nil, nil, err
}
backends := []objectstore.Store{looseStore}
objectsPackRoot, err = objectsRoot.OpenRoot("pack")
if err == nil {
var packedStore *objectpacked.Store
packedStore, err = objectpacked.New(
objectsPackRoot,
algo,
objectpacked.Options{RefreshPolicy: objectpacked.RefreshPolicyNever},
)
if err != nil {
_ = objectsPackRoot.Close()
_ = looseStore.Close()
_ = objectsRoot.Close()
return nil, nil, nil, nil, nil, err
}
backends = append(backends, packedStore)
} else if !errors.Is(err, os.ErrNotExist) {
_ = looseStore.Close()
_ = objectsRoot.Close()
return nil, nil, nil, nil, nil, fmt.Errorf("repository: open objects/pack: %w", err)
}
objects = objectmix.New(backends...)
objectsWriteRoot, err = root.OpenRoot("objects")
if err != nil {
_ = objects.Close()
if objectsPackRoot != nil {
_ = objectsPackRoot.Close()
}
_ = objectsRoot.Close()
return nil, nil, nil, nil, nil, fmt.Errorf("repository: open objects for loose writing: %w", err)
}
objectsLooseForWritingOnly, err = objectloose.New(objectsWriteRoot, algo)
if err != nil {
_ = objects.Close()
_ = objectsWriteRoot.Close()
if objectsPackRoot != nil {
_ = objectsPackRoot.Close()
}
_ = objectsRoot.Close()
return nil, nil, nil, nil, nil, err
}
return objects, objectsRoot, objectsPackRoot, objectsLooseForWritingOnly, objectsWriteRoot, nil
}
// Objects returns the configured object store.
//
//nolint:ireturn
func (repo *Repository) Objects() objectstore.Store {
return repo.objects
}
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