// Get manifest by filename or given reader
func (m *Model) GetManifest(name string, in io.Reader) (res *proto.Manifest, err error) {
r, isManifest, err := proto.PeekManifest(in)
if err != nil {
return
}
if isManifest {
// ok - just read
res, err = proto.NewFromManifest(r)
return
}
// Hard way. First - try git
var sideR io.Reader
if m.Git != nil {
if sideR = m.getGitReader(name); sideR != nil {
res, err = proto.NewFromAny(sideR, m.chunkSize)
return
}
}
// No git - make from blob
res, err = proto.NewFromBLOB(r, m.chunkSize)
return
}
func (m *Model) getManifest(name string, blobs, manifests bool) (res *proto.Manifest, err error) {
lock, err := m.FdLocks.Take()
if err != nil {
return
}
defer lock.Release()
logx.Tracef("feeding manifest from %s",
lists.OSFromSlash(lists.OSJoin(m.WD, name)))
f, err := os.Open(lists.OSFromSlash(lists.OSJoin(m.WD, name)))
if err != nil {
logx.Errorf("!!! %s", err)
return
}
defer f.Close()
var r io.Reader
var isManifest bool
if r, isManifest, err = proto.PeekManifest(f); err != nil {
return
}
if (isManifest && !manifests) || (!isManifest && !blobs) {
return
}
if isManifest {
res, err = proto.NewFromManifest(r)
return
}
// Hard way. First - try git
var sideR io.Reader
if m.Git != nil {
if sideR = m.getGitReader(name); sideR != nil {
res, err = proto.NewFromAny(sideR, m.chunkSize)
return
}
}
// No git - make from blob
res, err = proto.NewFromBLOB(r, m.chunkSize)
return
}