func (d *resolveUndoDecoder) readEntry() (*ResolveUndoEntry, error) {
e := &ResolveUndoEntry{
Stages: make(map[Stage]plumbing.Hash, 0),
}
path, err := binary.ReadUntil(d.r, '\x00')
if err != nil {
return nil, err
}
e.Path = string(path)
for i := 0; i < 3; i++ {
if err := d.readStage(e, Stage(i+1)); err != nil {
return nil, err
}
}
for s := range e.Stages {
var hash plumbing.Hash
if err := binary.Read(d.r, hash[:]); err != nil {
return nil, err
}
e.Stages[s] = hash
}
return e, nil
}
func (d *treeExtensionDecoder) readEntry() (*TreeEntry, error) {
e := &TreeEntry{}
path, err := binary.ReadUntil(d.r, '\x00')
if err != nil {
return nil, err
}
e.Path = string(path)
count, err := binary.ReadUntil(d.r, ' ')
if err != nil {
return nil, err
}
i, err := strconv.Atoi(string(count))
if err != nil {
return nil, err
}
// An entry can be in an invalidated state and is represented by having a
// negative number in the entry_count field.
if i == -1 {
return nil, nil
}
e.Entries = i
trees, err := binary.ReadUntil(d.r, '\n')
if err != nil {
return nil, err
}
i, err = strconv.Atoi(string(trees))
if err != nil {
return nil, err
}
e.Trees = i
if err := binary.Read(d.r, &e.Hash); err != nil {
return nil, err
}
return e, nil
}
func (d *resolveUndoDecoder) readStage(e *ResolveUndoEntry, s Stage) error {
ascii, err := binary.ReadUntil(d.r, '\x00')
if err != nil {
return err
}
stage, err := strconv.ParseInt(string(ascii), 8, 64)
if err != nil {
return err
}
if stage != 0 {
e.Stages[s] = plumbing.ZeroHash
}
return nil
}
func (d *Decoder) doReadEntryNameV4() (string, error) {
l, err := binary.ReadVariableWidthInt(d.r)
if err != nil {
return "", err
}
var base string
if d.lastEntry != nil {
base = d.lastEntry.Name[:len(d.lastEntry.Name)-int(l)]
}
name, err := binary.ReadUntil(d.r, '\x00')
if err != nil {
return "", err
}
return base + string(name), nil
}
