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package files
import (
"errors"
"fmt"
"os"
"strings"
objectid "codeberg.org/lindenii/furgit/object/id"
"codeberg.org/lindenii/furgit/ref"
refstore "codeberg.org/lindenii/furgit/ref/store"
)
func (store *Store) readLooseRef(name string) (ref.Ref, error) { //nolint:ireturn
refPath := store.loosePath(name)
data, err := store.rootFor(refPath.root).ReadFile(refPath.path)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return nil, refstore.ErrReferenceNotFound
}
return nil, err
}
line := strings.TrimRightFunc(string(data), isRefWhitespace)
if strings.HasPrefix(line, "ref:") {
target := strings.TrimLeftFunc(line[len("ref:"):], isRefWhitespace)
if target == "" {
return nil, brokenRefError{name: name, err: fmt.Errorf("empty symbolic target")}
}
return ref.Symbolic{
RefName: name,
Target: target,
}, nil
}
id, err := objectid.ParseHex(store.algo, line)
if err != nil {
return nil, brokenRefError{name: name, err: err}
}
return ref.Detached{
RefName: name,
ID: id,
}, nil
}
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