dircache: expose FoundRoot flag

This commit is contained in:
Nick Craig-Wood 2015-10-10 15:33:46 +01:00
parent ed72c678f8
commit 1a82ba196b

View File

@ -131,10 +131,6 @@ func (dc *DirCache) _findDirInCache(path string) string {
// Unlocked findDir - must have mu
func (dc *DirCache) _findDir(path string, create bool) (pathID string, err error) {
// if !dc.foundRoot {
// return "", fmt.Errorf("FindDir called before FindRoot")
// }
pathID = dc._findDirInCache(path)
if pathID != "" {
return pathID, nil
@ -204,12 +200,11 @@ func (dc *DirCache) FindRoot(create bool) error {
if dc.foundRoot {
return nil
}
dc.foundRoot = true
rootID, err := dc._findDir(dc.root, create)
if err != nil {
dc.foundRoot = false
return err
}
dc.foundRoot = true
dc.rootID = rootID
// Find the parent of the root while we still have the root
@ -224,6 +219,13 @@ func (dc *DirCache) FindRoot(create bool) error {
return nil
}
// FoundRoot returns whether the root directory has been found yet
//
// Call this from FindLeaf or CreateDir only
func (dc *DirCache) FoundRoot() bool {
return dc.foundRoot
}
// RootID returns the ID of the root directory
//
// This should be called after FindRoot