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lib/file: improve error message when attempting to create dir on nonexistent drive on windows

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This replaces built-in os.MkdirAll with a patched version that stops the recursion
when reaching the volume part of the path. The original version would continue recursion,
and for extended length paths end up with \\? as the top-level directory, and the error
message would then be something like:
mkdir \\?: The filename, directory name, or volume label syntax is incorrect.
This commit is contained in:
albertony
2021-06-11 00:46:36 +02:00
parent b30731c9d0
commit fbc7f2e61b
21 changed files with 261 additions and 27 deletions
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7
backend/local/local.go
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@ -569,9 +569,8 @@ func (f *Fs) PutStream(ctx context.Context, in io.Reader, src fs.ObjectInfo, opt
// Mkdir creates the directory if it doesn't exist
func (f *Fs) Mkdir(ctx context.Context, dir string) error {
// FIXME: https://github.com/syncthing/syncthing/blob/master/lib/osutil/mkdirall_windows.go
localPath := f.localPath(dir)
err := os.MkdirAll(localPath, 0777)
err := file.MkdirAll(localPath, 0777)
if err != nil {
return err
}
@ -765,7 +764,7 @@ func (f *Fs) DirMove(ctx context.Context, src fs.Fs, srcRemote, dstRemote string
// Create parent of destination
dstParentPath := filepath.Dir(dstPath)
err = os.MkdirAll(dstParentPath, 0777)
err = file.MkdirAll(dstParentPath, 0777)
if err != nil {
return err
}
@ -1099,7 +1098,7 @@ func (o *Object) Open(ctx context.Context, options ...fs.OpenOption) (in io.Read
// mkdirAll makes all the directories needed to store the object
func (o *Object) mkdirAll() error {
dir := filepath.Dir(o.path)
return os.MkdirAll(dir, 0777)
return file.MkdirAll(dir, 0777)
}
type nopWriterCloser struct {