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Code Issues Releases Activity

lib/file: improve error message for create dir on non-existent network host on windows (#6420)

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This commit is contained in:
albertony
2022-10-28 21:00:22 +02:00
committed by GitHub
parent 1fc864fb32
commit 65987f5970
2 changed files with 27 additions and 7 deletions
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16
lib/file/mkdir_windows.go
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@ -11,8 +11,9 @@ import (
// MkdirAll creates a directory named path, along with any necessary parents.
//
// Improves os.MkdirAll by avoiding trying to create a folder \\? when the
// volume of a given extended length path does not exist.
// Improves os.MkdirAll by avoiding trying to create a folder `\\?` when the
// volume of a given extended length path does not exist, and `\\?\UNC` when
// a network host name does not exist.
//
// Based on source code from golang's os.MkdirAll
// (https://github.com/golang/go/blob/master/src/os/path.go)
@ -37,7 +38,6 @@ func MkdirAll(path string, perm os.FileMode) error {
}
if i > 0 {
path = path[:i]
if path == filepath.VolumeName(path) {
// Make reference to a drive's root directory include the trailing slash.
// In extended-length form without trailing slash ("\\?\C:"), os.Stat
@ -53,10 +53,12 @@ func MkdirAll(path string, perm os.FileMode) error {
j--
}
if j > 1 {
// Create parent.
err = MkdirAll(path[:j-1], perm)
if err != nil {
return err
if path[:j-1] != `\\?\UNC` {
// Create parent.
err = MkdirAll(path[:j-1], perm)
if err != nil {
return err
}
}
}
}