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Add handling for relative paths, vss paths, UNC paths

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aneesh-n 2024-08-04 13:19:13 -06:00
parent c13725b5d0
commit 85639f5159
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1 changed files with 20 additions and 2 deletions
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22
internal/restic/node_windows.go
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@ -398,9 +398,27 @@ func (node *Node) fillGenericAttributes(path string, fi os.FileInfo, stat *statT
return allowExtended, err
}
// checkAndStoreEASupport checks if a volume supports extended attributes and stores the result in a map
// checkAndStoreEASupport checks if the volume of the path supports extended attributes and stores the result in a map
// If the result is already in the map, it returns the result from the map.
func checkAndStoreEASupport(volumeName string) (isEASupportedVolume bool, err error) {
func checkAndStoreEASupport(path string) (isEASupportedVolume bool, err error) {
// Check if it's a UNC path and format it correctly
if strings.HasPrefix(path, `\\?\UNC\`) {
// Convert \\?\UNC\ path to standard path to get the volume name correctly
path = `\\` + strings.TrimPrefix(path, `\\?\UNC\`)
} else if strings.HasPrefix(path, `\\?\GLOBALROOT`) {
// EAs are not supported for \\?\GLOBALROOT i.e. VSS snapshots
return false, nil
} else {
// Use the absolute path
path, err = filepath.Abs(path)
if err != nil {
return false, fmt.Errorf("failed to get absolute path: %w", err)
}
}
volumeName := filepath.VolumeName(path)
if volumeName == "" {
return false, nil
}
eaSupportedValue, exists := eaSupportedVolumesMap.Load(volumeName)
if exists {
return eaSupportedValue.(bool), nil