func tagHelper(h objects.HID, nextPathSegment string, restOfPath string,
postBytes objects.Byteser, postType string) (objects.HID, error) {
t, geterr := GetTag(h.Bytes(), nextPathSegment)
posterr := error(nil)
if geterr == nil {
//the tag exists with that nameSegment
nextTypeString := t.TypeString
nextHash := t.HashBytes
nextPath := restOfPath
var hashOfPosted objects.HID
if restOfPath == "" && postType != "blob" {
hashOfPosted = objects.HKID(postBytes.Bytes()) //insrt reference by HKID
} else {
hashOfPosted, posterr = post(nextHash, nextPath,
nextTypeString, postBytes, postType)
}
t = t.Update(hashOfPosted, t.TypeString)
} else {
//no tag exists with that nameSegment
_, err := GetPrivateKeyForHkid(h.(objects.HKID))
if err == nil {
//you own the Domain
nextHash := objects.HID(nil)
nextPath := restOfPath
nextTypeString := "list"
if restOfPath == "" {
nextTypeString = postType
}
log.Printf("tag pointing to a %s named %s", nextTypeString, nextPathSegment)
var hashOfPosted objects.HID
if restOfPath == "" && postType != "blob" {
hashOfPosted = objects.HKID(postBytes.Bytes()) //insert reference by HKID
} else {
hashOfPosted, posterr = post(nextHash, nextPath,
nextTypeString, postBytes, postType)
}
t = objects.NewTag(hashOfPosted, nextTypeString, nextPathSegment, nil, h.Bytes())
} else {
log.Printf("You don't seem to own this Domain")
return nil, fmt.Errorf("You dont own the Domain, meanie")
}
}
if posterr != nil {
return nil, posterr
}
//log.Print(t)
err := PostTag(t)
if err == nil {
return t.Hkid, nil
}
return nil, err
}
func commitHelper(h objects.HKID, path string, postBytes objects.Byteser, postType string) (objects.HID, error) {
c, geterr := GetCommit(h)
posterr := error(nil)
if geterr == nil {
//A existing vertion was found
nextTypeString := "list"
nextHash := c.ListHash
nextPath := path
var hashOfPosted objects.HID
hashOfPosted, posterr = post(nextHash, nextPath,
nextTypeString, postBytes, postType)
if posterr != nil {
return nil, posterr
}
c = c.Update(hashOfPosted.Bytes())
} else {
//A existing vertion was NOT found
_, err := GetPrivateKeyForHkid(h)
if err == nil {
nextHash := objects.HID(nil)
nextPath := path
nextTypeString := "list"
var hashOfPosted objects.HID
hashOfPosted, posterr = post(nextHash, nextPath,
nextTypeString, postBytes, postType)
c = objects.NewCommit(hashOfPosted.Bytes(), h)
} else {
log.Printf("You don't seem to own this repo\n\th=%v\n\terr=%v\n", h, err)
return objects.HKID{}, fmt.Errorf("You don't seem to own this repo")
}
}
if posterr != nil {
return nil, posterr
}
//log.Print(c)
err := PostCommit(c)
if err == nil {
return c.Hkid, nil
}
return nil, err
}
func post(h objects.HID, path string, nextPathSegmentType string,
postBytes objects.Byteser, postType string) (hid objects.HID, err error) {
//log.Printf(
// "\n\th: %v\n\tpath: %v\n\tnext_path_segment_type: %v\n\tpost_bytes: %s\n\tpost_type: %v\n",
// h, path, next_path_segment_type, post_bytes, post_type)
if path == "" {
//log.Printf("post_type: %s", post_type)
err := PostBlob(postBytes.(objects.Blob))
return objects.HCID(postBytes.(objects.Blob).Hash()), err
}
nameSegments := strings.SplitN(path, "/", 2)
nextPathSegment := nameSegments[0]
restOfPath := ""
if len(nameSegments) > 1 {
restOfPath = nameSegments[1]
}
switch nextPathSegmentType {
default:
return nil, fmt.Errorf(fmt.Sprintf("Invalid type %T", nextPathSegmentType))
case "blob":
return nil, fmt.Errorf(fmt.Sprintf("only \"\" path can be blob"))
case "list":
postedListHash, err := listHelper(h, nextPathSegment, restOfPath,
postBytes, postType)
return postedListHash, err
case "commit":
postedCommitHash, err := commitHelper(h.Bytes(), path, postBytes,
postType)
return postedCommitHash, err
case "tag":
postedTagHash, err := tagHelper(h, nextPathSegment, restOfPath,
postBytes, postType)
return postedTagHash, err
}
}
func get(objecthash objects.HID, path string, typeString string) (b objects.Blob, err error) {
//typeString := "commit"
err = nil
nameSegments := []string{"", path}
for {
if len(nameSegments) > 1 {
nameSegments = strings.SplitN(nameSegments[1], "/", 2)
} else {
nameSegments = []string{""}
}
//log.Printf("\n\tPath: %s\n\tType: %v\n\tobjecthash: %v\n",
// nameSegments, typeString, objecthash)
switch typeString {
case "blob":
b, err = GetBlob(objecthash.Bytes())
if err != nil {
log.Printf("\n\t%v\n", err)
}
return b, err
case "list":
var l objects.List
l, err = GetList(objecthash.Bytes())
if err != nil {
log.Printf("\n\t%v\n", err)
}
typeString, objecthash = l.HashForNamesegment(nameSegments[0])
if objecthash == nil && nameSegments[0] != "" {
err = fmt.Errorf("Blob not found")
}
b = l.Bytes()
case "tag":
var t objects.Tag
//if nameSegments[0] == "" {
// log.Printf("\n\tNo Path\n")
//}
t, err = GetTag(objecthash.(objects.HKID), nameSegments[0])
if err != nil {
//log.Printf("\n\t%v\n", err)
return nil, err
}
if !t.Verify() {
return nil, fmt.Errorf("Tag Verify Failed")
}
typeString = t.TypeString
objecthash = t.HashBytes
b = t.Bytes()
case "commit":
var c objects.Commit
c, err = GetCommit(objecthash.Bytes())
if err != nil {
log.Printf("\n\t%v\n", err)
}
if !c.Verify() {
return nil, fmt.Errorf("Commit Verify Failed")
}
var l objects.List
l, err = GetList(c.ListHash)
if err != nil {
log.Printf("\n\t%v\n", err)
}
typeString, objecthash = l.HashForNamesegment(nameSegments[0])
if objecthash == nil && nameSegments[0] != "" {
err = fmt.Errorf("Blob not found")
}
//if err != nil {
// log.Printf("%v\n", err)
//}
b = l.Bytes()
default:
log.Printf("\n\t%v\n", err)
panic(err)
}
//if len(nameSegments) == 1 && typeString != "blob" {
if objecthash == nil {
return b, err
}
}
}