Initial release of bdrclone

internal/mount/recovery.go

@@ -0,0 +1,29 @@
+package mount
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+func preserveFailedWrite(tempPath, remotePath string) (string, error) {
+	cacheDir, err := os.UserCacheDir()
+	if err != nil {
+		return tempPath, err
+	}
+	recoveryDir := filepath.Join(cacheDir, "bdrclone", "failed-writes")
+	if err := os.MkdirAll(recoveryDir, 0o700); err != nil {
+		return tempPath, err
+	}
+	name := strings.ReplaceAll(filepath.Base(remotePath), string(filepath.Separator), "_")
+	if name == "" || name == "." {
+		name = "remote-file"
+	}
+	destination := filepath.Join(recoveryDir, fmt.Sprintf("%s-%s", time.Now().Format("20060102-150405.000000000"), name))
+	if err := os.Rename(tempPath, destination); err != nil {
+		return tempPath, err
+	}
+	return destination, nil
+}