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package files
import (
"errors"
"fmt"
"codeberg.org/lindenii/furgit/ref"
"codeberg.org/lindenii/furgit/ref/refname"
"codeberg.org/lindenii/furgit/refstore"
)
func (tx *Transaction) directRead(name string) (directRef, error) {
loc := tx.store.loosePath(name)
hasPacked := false
if loc.root == rootCommon && refname.ParseWorktree(name).Type == refname.WorktreeShared {
packed, packedErr := tx.store.readPackedRefs()
if packedErr != nil {
return directRef{}, packedErr
}
_, hasPacked = packed.byName[name]
}
loose, err := tx.store.readLooseRef(name)
if err == nil {
switch loose := loose.(type) {
case ref.Detached:
return directRef{
kind: directDetached,
name: name,
id: loose.ID,
isLoose: true,
isPacked: hasPacked,
}, nil
case ref.Symbolic:
return directRef{
kind: directSymbolic,
name: name,
target: loose.Target,
isLoose: true,
isPacked: hasPacked,
}, nil
default:
return directRef{}, fmt.Errorf("refstore/files: unsupported reference type %T", loose)
}
}
if !errors.Is(err, refstore.ErrReferenceNotFound) {
info, statErr := tx.store.rootFor(loc.root).Stat(loc.path)
if statErr != nil || !info.IsDir() {
return directRef{}, err
}
}
if hasPacked {
packed, packedErr := tx.store.readPackedRefs()
if packedErr != nil {
return directRef{}, packedErr
}
detached := packed.byName[name]
return directRef{
kind: directDetached,
name: name,
id: detached.ID,
isPacked: true,
}, nil
}
return directRef{
kind: directMissing,
name: name,
}, nil
}
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