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Add metadata and special files restore options

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Add options to control if xattrs and specials get restored. Add
file flag mask preference. It's a rough interface, but this is a niche
use case.

Refactoring of options passing since golang ergonomics are poor for long
parameter lists.
This commit is contained in:
John K. Luebs
2023-10-06 04:08:38 -05:00
parent 9046b12f92
commit 6a8d3d1c0b
8 changed files with 141 additions and 82 deletions
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10
src/duplicacy_xattr_linux.go
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@@ -124,7 +124,7 @@ func (entry *Entry) ReadFileFlags(fullPath string, fileInfo os.FileInfo) error {
return nil
}
func (entry *Entry) SetAttributesToFile(fullPath string) error {
func (entry *Entry) SetAttributesToFile(fullPath string, normalize bool) error {
if entry.Attributes == nil || len(*entry.Attributes) == 0 {
return nil
}
@@ -161,7 +161,7 @@ func (entry *Entry) SetAttributesToFile(fullPath string) error {
}
func (entry *Entry) RestoreEarlyDirFlags(fullPath string, mask uint32) error {
if entry.Attributes == nil {
if entry.Attributes == nil || mask == 0xffffffff {
return nil
}
var flags uint32
@@ -185,7 +185,7 @@ func (entry *Entry) RestoreEarlyDirFlags(fullPath string, mask uint32) error {
}
func (entry *Entry) RestoreEarlyFileFlags(f *os.File, mask uint32) error {
if entry.Attributes == nil {
if entry.Attributes == nil || mask == 0xffffffff {
return nil
}
var flags uint32
@@ -204,7 +204,7 @@ func (entry *Entry) RestoreEarlyFileFlags(f *os.File, mask uint32) error {
}
func (entry *Entry) RestoreLateFileFlags(fullPath string, fileInfo os.FileInfo, mask uint32) error {
if entry.IsLink() || entry.Attributes == nil {
if entry.IsLink() || entry.Attributes == nil || mask == 0xffffffff {
return nil
}
var flags uint32
@@ -218,7 +218,7 @@ func (entry *Entry) RestoreLateFileFlags(fullPath string, fileInfo os.FileInfo,
if err != nil {
return err
}
err = ioctl(f, linux_FS_IOC_SETFLAGS, &flags)
err = ioctl(f, unix.FS_IOC_SETFLAGS, &flags)
f.Close()
if err != nil {
return fmt.Errorf("Set flags 0x%.8x failed: %w", flags, err)