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drive: fix listing of the root directory with drive.files scope

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We attempt to find the ID of the root folder by doing a GET on the
folder ID "root". With scope "drive.files" this fails with a 404
message.

After this change if we get the 404 message, we just carry on using
"root" as the root folder ID and we cache that for future lookups.

This means that changenotify messages will not work correctly in the
root folder but otherwise has minor consequences.

See: https://forum.rclone.org/t/fresh-raspberry-pi-build-google-drive-404-error-failed-to-ls-googleapi-error-404-file-not-found/12791
This commit is contained in:
Nick Craig-Wood 2019-11-08 10:29:45 +00:00
parent 53d55ae760
commit 1e423d21e1
1 changed files with 7 additions and 1 deletions
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8
backend/drive/drive.go
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@ -1030,7 +1030,13 @@ func NewFs(name, path string, m configmap.Mapper) (fs.Fs, error) {
// Look up the root ID and cache it in the config
rootID, err := f.getRootID()
if err != nil {
return nil, err
if gerr, ok := errors.Cause(err).(*googleapi.Error); ok && gerr.Code == 404 {
// 404 means that this scope does not have permission to get the
// root so just use "root"
rootID = "root"
} else {
return nil, err
}
}
f.rootFolderID = rootID
m.Set("root_folder_id", rootID)