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[onechat] / backup_archive.go

diff --git a/backup_archive.go b/backup_archive.go
index bd6e00367c481c34cb4e4bf3e2775e6e64f5fb46..2ec9352a11eb00e8a9b757f81673614a31f702ef 100644 (file)
--- a/backup_archive.go
+++ b/backup_archive.go
@@ -31,9 +31,9 @@ func backupArchive(ctx context.Context, root, path string) (size int64, err erro
 
        compressed := gzip.NewWriter(file)
        archive := tar.NewWriter(compressed)
-       err = filepath.WalkDir(root, func(path string, entry fs.DirEntry, walkErr error) error {
-               if walkErr != nil {
-                       return fmt.Errorf("walk backup: %w", walkErr)
+       err = filepath.WalkDir(root, func(path string, entry fs.DirEntry, err error) error {
+               if err != nil {
+                       return fmt.Errorf("walk backup: %w", err)
                }
 
                if ctx.Err() != nil {
@@ -44,38 +44,43 @@ func backupArchive(ctx context.Context, root, path string) (size int64, err erro
                        return nil
                }
 
-               name, nameErr := filepath.Rel(root, path)
-               if nameErr != nil {
-                       return fmt.Errorf("name archive entry: %w", nameErr)
+               name, err := filepath.Rel(root, path)
+               if err != nil {
+                       return fmt.Errorf("name archive entry: %w", err)
                }
 
-               info, infoErr := entry.Info()
-               if infoErr != nil {
-                       return fmt.Errorf("read backup entry: %w", infoErr)
+               info, err := entry.Info()
+               if err != nil {
+                       return fmt.Errorf("read backup entry: %w", err)
                }
 
                if !info.IsDir() && !info.Mode().IsRegular() {
                        return fmt.Errorf("unsupported backup entry %q", name)
                }
 
-               header, headerErr := tar.FileInfoHeader(info, "")
-               if headerErr != nil {
-                       return fmt.Errorf("make archive header: %w", headerErr)
+               header, err := tar.FileInfoHeader(info, "")
+               if err != nil {
+                       return fmt.Errorf("make archive header: %w", err)
                }
 
                header.Name = filepath.ToSlash(name)
                header.Uid, header.Gid = 0, 0
                header.Uname, header.Gname = "", ""
-               headerErr = archive.WriteHeader(header)
-               if headerErr != nil {
-                       return fmt.Errorf("write archive header: %w", headerErr)
+               err = archive.WriteHeader(header)
+               if err != nil {
+                       return fmt.Errorf("write archive header: %w", err)
                }
 
                if info.IsDir() {
                        return nil
                }
 
-               return backupCopyFile(ctx, archive, path, info.Size())
+               err = backupCopyFile(ctx, archive, path, info.Size())
+               if err != nil {
+                       return fmt.Errorf("archive file: %w", err)
+               }
+
+               return nil
        })
        err = errors.Join(err, archive.Close(), compressed.Close())
        if err != nil {
@@ -122,19 +127,24 @@ func backupExtract(ctx context.Context, path, root string) (err error) {
                err = errors.Join(err, compressed.Close())
        }()
 
-       archive := tar.NewReader(BackupReader{ctx: ctx, reader: compressed})
+       archive := tar.NewReader(BackupReader{
+               ctx:    ctx,
+               reader: compressed,
+       })
        seen := make(map[string]bool)
 
        var directories []*tar.Header
 
        for {
-               header, readErr := archive.Next()
-               if errors.Is(readErr, io.EOF) {
+               var header *tar.Header
+
+               header, err = archive.Next()
+               if errors.Is(err, io.EOF) {
                        break
                }
 
-               if readErr != nil {
-                       return fmt.Errorf("read archive entry: %w", readErr)
+               if err != nil {
+                       return fmt.Errorf("read archive entry: %w", err)
                }
 
                name := strings.TrimSuffix(header.Name, "/")
@@ -218,7 +228,10 @@ func backupCopyFile(ctx context.Context, out io.Writer, path string, size int64)
                err = errors.Join(err, file.Close())
        }()
 
-       _, err = io.CopyN(out, BackupReader{ctx: ctx, reader: file}, size)
+       _, err = io.CopyN(out, BackupReader{
+               ctx:    ctx,
+               reader: file,
+       }, size)
        if err != nil {
                return fmt.Errorf("copy backup file: %w", err)
        }
@@ -257,7 +270,7 @@ func backupExcluded(name string) bool {
                return true
        }
 
-       if filepath.Base(name) == "lock" {
+       if filepath.Base(name) == "lock" || (first == imageDirName && strings.HasPrefix(filepath.Base(name), ".image-")) {
                return true
        }