opensource/kubo
1
0
Fork 0
mirror of https://github.com/ipfs/kubo.git synced 2025-06-16 23:58:45 +08:00
Code Issues Projects Releases Wiki Activity

Merge pull request #1404 from ipfs/feat/patch-path

Browse Source 
allow patch add-link to add at a path
This commit is contained in:
Jeromy Johnson
2015-06-19 22:01:57 -07:00
parent 09f16003d8 d585e20ebc
commit 7d254aef20
2 changed files with 63 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
core/commands/object.go
View File

@ -602,36 +602,75 @@ func addLinkCaller(req cmds.Request, root *dag.Node) (key.Key, error) {
return "", err
}
name := req.Arguments()[2]
path := req.Arguments()[2]
childk := key.B58KeyDecode(req.Arguments()[3])
newkey, err := addLink(req.Context().Context, nd.DAG, root, name, childk)
parts := strings.Split(path, "/")
nnode, err := insertNodeAtPath(req.Context().Context, nd.DAG, root, parts, childk)
if err != nil {
return "", err
}
return newkey, nil
return nnode.Key()
}
func addLink(ctx context.Context, ds dag.DAGService, root *dag.Node, childname string, childk key.Key) (key.Key, error) {
func addLink(ctx context.Context, ds dag.DAGService, root *dag.Node, childname string, childk key.Key) (*dag.Node, error) {
ctx, cancel := context.WithTimeout(ctx, time.Second*30)
childnd, err := ds.Get(ctx, childk)
if err != nil {
cancel()
return "", err
return nil, err
}
cancel()
err = root.AddNodeLinkClean(childname, childnd)
if err != nil {
return "", err
return nil, err
}
newkey, err := ds.Add(root)
_, err = ds.Add(root)
if err != nil {
return "", err
return nil, err
}
return newkey, nil
return root, nil
}
func insertNodeAtPath(ctx context.Context, ds dag.DAGService, root *dag.Node, path []string, toinsert key.Key) (*dag.Node, error) {
if len(path) == 1 {
return addLink(ctx, ds, root, path[0], toinsert)
}
child, err := root.GetNodeLink(path[0])
if err != nil {
return nil, err
}
nd, err := child.GetNode(ctx, ds)
if err != nil {
return nil, err
}
ndprime, err := insertNodeAtPath(ctx, ds, nd, path[1:], toinsert)
if err != nil {
return nil, err
}
err = root.RemoveNodeLink(path[0])
if err != nil {
return nil, err
}
err = root.AddNodeLinkClean(path[0], ndprime)
if err != nil {
return nil, err
}
_, err = ds.Add(root)
if err != nil {
return nil, err
}
return root, nil
}
func nodeFromTemplate(template string) (*dag.Node, error) {