remove tree.cached...root as it wasnt used in server notable

server/tree.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"io/ioutil"
-	"log"
 	"os"
 	"path"
 
@@ -54,8 +53,6 @@ func (base Leaf) Merge(updated Leaf) Leaf {
 
 type Tree struct {
 	root string
-	cachedRoot     Branch
-	cachedMetaRoot Branch
 }
 
 func NewTree(root string) Tree {
@@ -64,30 +61,16 @@ func NewTree(root string) Tree {
 
 func (tree Tree) WithRoot(root string) Tree {
 	tree.root = root
-	tree.cachedRoot = Branch{}
-	tree.cachedMetaRoot = Branch{}
 	return tree
 }
 
 func (tree Tree) GetRootMeta() (Branch, error) {
-	if !tree.cachedMetaRoot.IsZero() {
-		return tree.cachedMetaRoot, nil
-	}
 	got, err := tree.getRoot(NewID(""), false, false)
-	if err == nil {
-		tree.cachedMetaRoot = got
-	}
 	return got, err
 }
 
 func (tree Tree) GetRoot() (Branch, error) {
-	if !tree.cachedRoot.IsZero() {
-		return tree.cachedRoot, nil
-	}
 	got, err := tree.getRoot(NewID(""), true, false)
-	if err == nil {
-		tree.cachedRoot = got
-	}
 	return got, err
 }
 
@@ -102,7 +85,6 @@ func (tree Tree) getRoot(pid ID, withContent, withDeleted bool) (Branch, error)
 	}
 	for _, entry := range entries {
 		if entry.Name() == "data.yaml" {
-			log.Printf("reading %s", tree.root)
 			if b, err := peekLeaf(withContent, path.Join(tree.root, entry.Name())); err != nil {
 				return Branch{}, err
 			} else if err := yaml.Unmarshal(b, &m.Leaf); err != nil {
@@ -127,9 +109,6 @@ func (tree Tree) getRoot(pid ID, withContent, withDeleted bool) (Branch, error)
 }
 
 func peekLeaf(all bool, path string) ([]byte, error) {
-	if all {
-		return ioutil.ReadFile(path)
-	}
 	return ioutil.ReadFile(path)
 }
 
@@ -162,8 +141,6 @@ func (tree Tree) Put(id ID, input Leaf) error {
 	if err := ensureAndWrite(tree.toData(id), b); err != nil {
 		return err
 	}
-	tree.cachedRoot = Branch{}
-	tree.cachedMetaRoot = Branch{}
 	return nil
 }
 
@@ -184,8 +161,6 @@ func (tree Tree) Del(id ID) error {
 
 func (tree Tree) HardDel(id ID) error {
 	os.RemoveAll(tree.toDir(id))
-	tree.cachedRoot = Branch{}
-	tree.cachedMetaRoot = Branch{}
 	return nil
 }