diff --git a/src/backups/mod.rs b/src/backups/mod.rs
index 33d1fd2..5b1709e 100644
--- a/src/backups/mod.rs
+++ b/src/backups/mod.rs
@@ -4,29 +4,37 @@ use ::prelude::*;
 
 use std::path::{Path, PathBuf};
 use std::collections::HashMap;
+use std::sync::Arc;
 
 
 pub struct BackupRepository {
+    layout: Arc<RepositoryLayout>,
     repo: Repository
 }
 
 impl BackupRepository {
     pub fn create<P: AsRef<Path>, R: AsRef<Path>>(path: P, config: &Config, remote: R) -> Result<Self, RepositoryError> {
+        let layout = Arc::new(RepositoryLayout::new(path.as_ref()));
         Ok(BackupRepository {
-            repo: try!(Repository::create(path, config, remote))
+            layout: layout.clone(),
+            repo: try!(Repository::create(layout, config, remote))
         })
     }
 
     #[allow(unknown_lints, useless_let_if_seq)]
     pub fn open<P: AsRef<Path>>(path: P, online: bool) -> Result<Self, RepositoryError> {
+        let layout = Arc::new(RepositoryLayout::new(path.as_ref()));
         Ok(BackupRepository {
-            repo: try!(Repository::open(path, online))
+            layout: layout.clone(),
+            repo: try!(Repository::open(layout, online))
         })
     }
 
     pub fn import<P: AsRef<Path>, R: AsRef<Path>>(path: P, remote: R, key_files: Vec<String>) -> Result<Self, RepositoryError> {
+        let layout = Arc::new(RepositoryLayout::new(path.as_ref()));
         Ok(BackupRepository {
-            repo: try!(Repository::import(path, remote, key_files))
+            layout: layout.clone(),
+            repo: try!(Repository::import(layout, remote, key_files))
         })
     }
 
@@ -77,7 +85,7 @@ impl BackupRepository {
     }
 
     pub fn get_layout(&self) -> &RepositoryLayout {
-        &self.repo.layout
+        &self.layout
     }
 
     pub fn create_backup_recursively<P: AsRef<Path>>(&mut self, path: P, reference: Option<&Backup>, options: &BackupOptions) -> Result<Backup, RepositoryError> {
diff --git a/src/prelude.rs b/src/prelude.rs
index 26772cf..324fac2 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -5,7 +5,7 @@ pub use repository::chunking::{ChunkerType, Chunker, ChunkerStatus, ChunkerError
 pub use repository::{Repository, Backup, Config, RepositoryError, RepositoryInfo, Inode, FileType,
                      IntegrityError, BackupFileError, BackupError, BackupOptions, BundleAnalysis,
                      FileData, DiffType, InodeError, RepositoryLayout, Location,
-                     RepositoryStatistics};
+                     RepositoryStatistics, ChunkRepositoryLayout};
 pub use repository::index::{Index, IndexError, IndexStatistics};
 pub use backups::mount::FuseFilesystem;
 pub use translation::CowStr;
diff --git a/src/repository/bundledb/db.rs b/src/repository/bundledb/db.rs
index 9879ff9..9ebb258 100644
--- a/src/repository/bundledb/db.rs
+++ b/src/repository/bundledb/db.rs
@@ -117,7 +117,7 @@ fn load_bundles(
 
 
 pub struct BundleDb {
-    pub layout: RepositoryLayout,
+    pub layout: Arc<ChunkRepositoryLayout>,
     uploader: Option<Arc<BundleUploader>>,
     crypto: Arc<Mutex<Crypto>>,
     local_bundles: HashMap<BundleId, StoredBundle>,
@@ -127,7 +127,7 @@ pub struct BundleDb {
 
 
 impl BundleDb {
-    fn new(layout: RepositoryLayout, crypto: Arc<Mutex<Crypto>>) -> Self {
+    fn new(layout: Arc<ChunkRepositoryLayout>, crypto: Arc<Mutex<Crypto>>) -> Self {
         BundleDb {
             layout,
             crypto,
@@ -239,7 +239,7 @@ impl BundleDb {
     }
 
     pub fn open(
-        layout: RepositoryLayout,
+        layout: Arc<ChunkRepositoryLayout>,
         crypto: Arc<Mutex<Crypto>>,
         online: bool
     ) -> Result<(Self, Vec<BundleInfo>, Vec<BundleInfo>), BundleDbError> {
@@ -251,7 +251,7 @@ impl BundleDb {
         Ok((self_, new, gone))
     }
 
-    pub fn create(layout: &RepositoryLayout) -> Result<(), BundleDbError> {
+    pub fn create(layout: Arc<ChunkRepositoryLayout>) -> Result<(), BundleDbError> {
         try!(fs::create_dir_all(layout.remote_bundles_path()).context(
             &layout.remote_bundles_path() as
                 &Path
@@ -332,11 +332,14 @@ impl BundleDb {
 
     fn copy_remote_bundle_to_cache(&mut self, bundle: &StoredBundle) -> Result<(), BundleDbError> {
         let id = bundle.id();
-        let (folder, filename) = self.layout.local_bundle_path(&id, self.local_bundles.len());
-        try!(fs::create_dir_all(&folder).context(&folder as &Path));
+        let dst_path = self.layout.local_bundle_path(&id, self.local_bundles.len());
+        {
+            let folder = dst_path.parent().unwrap();
+            try!(fs::create_dir_all(folder).context(folder as &Path));
+        }
         let bundle = try!(bundle.copy_to(
             self.layout.base_path(),
-            folder.join(filename)
+            dst_path
         ));
         self.local_bundles.insert(id, bundle);
         Ok(())
@@ -347,8 +350,7 @@ impl BundleDb {
         if bundle.info.mode == BundleMode::Meta {
             try!(self.copy_remote_bundle_to_cache(&bundle))
         }
-        let (folder, filename) = self.layout.remote_bundle_path(self.remote_bundles.len());
-        let dst_path = folder.join(filename);
+        let dst_path = self.layout.remote_bundle_path(&bundle.id(),self.remote_bundles.len());
         let src_path = self.layout.base_path().join(bundle.path);
         bundle.path = dst_path
             .strip_prefix(self.layout.base_path())
diff --git a/src/repository/layout.rs b/src/repository/layout.rs
index def996f..a2d3692 100644
--- a/src/repository/layout.rs
+++ b/src/repository/layout.rs
@@ -2,6 +2,35 @@ use prelude::*;
 
 use std::path::{Path, PathBuf};
 
+pub trait ChunkRepositoryLayout {
+    fn base_path(&self) -> &Path;
+
+    fn index_path(&self) -> PathBuf;
+    fn bundle_map_path(&self) -> PathBuf;
+    fn local_locks_path(&self) -> PathBuf;
+    fn remote_path(&self) -> PathBuf;
+    fn remote_exists(&self) -> bool;
+    fn remote_locks_path(&self) -> PathBuf;
+    fn remote_bundles_path(&self) -> PathBuf;
+    fn local_bundles_path(&self) -> PathBuf;
+    fn remote_bundle_path(&self, bundle: &BundleId, count: usize) -> PathBuf;
+    fn local_bundle_path(&self, bundle: &BundleId, count: usize) -> PathBuf;
+    fn temp_bundles_path(&self) -> PathBuf;
+    fn temp_bundle_path(&self) -> PathBuf;
+    fn local_bundle_cache_path(&self) -> PathBuf;
+    fn remote_bundle_cache_path(&self) -> PathBuf;
+    fn dirtyfile_path(&self) -> PathBuf;
+
+
+    fn config_path(&self) -> PathBuf;
+    fn keys_path(&self) -> PathBuf;
+    fn excludes_path(&self) -> PathBuf;
+    fn backups_path(&self) -> PathBuf;
+    fn backup_path(&self, name: &str) -> PathBuf;
+    fn remote_readme_path(&self) -> PathBuf;
+}
+
+
 #[derive(Clone)]
 pub struct RepositoryLayout(PathBuf);
 
@@ -10,39 +39,19 @@ impl RepositoryLayout {
         RepositoryLayout(path.as_ref().to_path_buf())
     }
 
-    #[inline]
-    pub fn base_path(&self) -> &Path {
-        &self.0
-    }
-
     #[inline]
     pub fn config_path(&self) -> PathBuf {
         self.0.join("config.yaml")
     }
 
-    #[inline]
-    pub fn excludes_path(&self) -> PathBuf {
-        self.0.join("excludes")
-    }
-
-    #[inline]
-    pub fn index_path(&self) -> PathBuf {
-        self.0.join("index")
-    }
-
     #[inline]
     pub fn keys_path(&self) -> PathBuf {
         self.0.join("keys")
     }
 
     #[inline]
-    pub fn bundle_map_path(&self) -> PathBuf {
-        self.0.join("bundles.map")
-    }
-
-    #[inline]
-    pub fn local_locks_path(&self) -> PathBuf {
-        self.0.join("locks")
+    pub fn excludes_path(&self) -> PathBuf {
+        self.0.join("excludes")
     }
 
     #[inline]
@@ -55,11 +64,6 @@ impl RepositoryLayout {
         self.backups_path().join(format!("{}.backup", name))
     }
 
-    #[inline]
-    pub fn remote_path(&self) -> PathBuf {
-        self.0.join("remote")
-    }
-
     #[inline]
     pub fn remote_exists(&self) -> bool {
         self.remote_bundles_path().exists() && self.backups_path().exists() &&
@@ -71,27 +75,7 @@ impl RepositoryLayout {
         self.0.join("remote/README.md")
     }
 
-    #[inline]
-    pub fn remote_locks_path(&self) -> PathBuf {
-        self.0.join("remote/locks")
-    }
-
-    #[inline]
-    pub fn remote_bundles_path(&self) -> PathBuf {
-        self.0.join("remote/bundles")
-    }
-
-    #[inline]
-    pub fn local_bundles_path(&self) -> PathBuf {
-        self.0.join("bundles/cached")
-    }
-
-    fn bundle_path(
-        &self,
-        bundle: &BundleId,
-        mut folder: PathBuf,
-        mut count: usize,
-    ) -> (PathBuf, PathBuf) {
+    fn bundle_path(&self, bundle: &BundleId, mut folder: PathBuf, mut count: usize) -> PathBuf {
         let file = bundle.to_string().to_owned() + ".bundle";
         {
             let mut rest = &file as &str;
@@ -104,44 +88,123 @@ impl RepositoryLayout {
                 count /= 250;
             }
         }
-        (folder, file.into())
+        folder.join(Path::new(&file))
+    }
+
+}
+
+
+impl ChunkRepositoryLayout for RepositoryLayout {
+    #[inline]
+    fn base_path(&self) -> &Path {
+        &self.0
     }
 
     #[inline]
-    pub fn remote_bundle_path(&self, count: usize) -> (PathBuf, PathBuf) {
+    fn remote_exists(&self) -> bool {
+        self.remote_bundles_path().exists() && self.remote_locks_path().exists()
+    }
+
+    #[inline]
+    fn index_path(&self) -> PathBuf {
+        self.0.join("index")
+    }
+
+    #[inline]
+    fn bundle_map_path(&self) -> PathBuf {
+        self.0.join("bundles.map")
+    }
+
+    #[inline]
+    fn local_locks_path(&self) -> PathBuf {
+        self.0.join("locks")
+    }
+
+    #[inline]
+    fn remote_path(&self) -> PathBuf {
+        self.0.join("remote")
+    }
+
+    #[inline]
+    fn remote_locks_path(&self) -> PathBuf {
+        self.0.join("remote/locks")
+    }
+
+    #[inline]
+    fn remote_bundles_path(&self) -> PathBuf {
+        self.0.join("remote/bundles")
+    }
+
+    #[inline]
+    fn local_bundles_path(&self) -> PathBuf {
+        self.0.join("bundles/cached")
+    }
+
+    #[inline]
+    fn remote_bundle_path(&self, _bundle: &BundleId, count: usize) -> PathBuf {
         self.bundle_path(&BundleId::random(), self.remote_bundles_path(), count)
     }
 
     #[inline]
-    pub fn local_bundle_path(&self, bundle: &BundleId, count: usize) -> (PathBuf, PathBuf) {
+    fn local_bundle_path(&self, bundle: &BundleId, count: usize) -> PathBuf {
         self.bundle_path(bundle, self.local_bundles_path(), count)
     }
 
     #[inline]
-    pub fn temp_bundles_path(&self) -> PathBuf {
+    fn temp_bundles_path(&self) -> PathBuf {
         self.0.join("bundles/temp")
     }
 
     #[inline]
-    pub fn temp_bundle_path(&self) -> PathBuf {
-        self.temp_bundles_path().join(
-            BundleId::random().to_string().to_owned() +
-                ".bundle"
-        )
+    fn temp_bundle_path(&self) -> PathBuf {
+        self.temp_bundles_path().join(BundleId::random().to_string().to_owned() + ".bundle")
     }
 
     #[inline]
-    pub fn local_bundle_cache_path(&self) -> PathBuf {
+    fn local_bundle_cache_path(&self) -> PathBuf {
         self.0.join("bundles/local.cache")
     }
 
     #[inline]
-    pub fn remote_bundle_cache_path(&self) -> PathBuf {
+    fn remote_bundle_cache_path(&self) -> PathBuf {
         self.0.join("bundles/remote.cache")
     }
 
     #[inline]
-    pub fn dirtyfile_path(&self) -> PathBuf {
+    fn dirtyfile_path(&self) -> PathBuf {
         self.0.join("dirty")
     }
-}
+
+
+
+    #[inline]
+    fn config_path(&self) -> PathBuf {
+        self.0.join("config.yaml")
+    }
+
+    #[inline]
+    fn keys_path(&self) -> PathBuf {
+        self.0.join("keys")
+    }
+
+    #[inline]
+    fn excludes_path(&self) -> PathBuf {
+        self.0.join("excludes")
+    }
+
+    #[inline]
+    fn backups_path(&self) -> PathBuf {
+        self.0.join("remote/backups")
+    }
+
+    #[inline]
+    fn backup_path(&self, name: &str) -> PathBuf {
+        self.backups_path().join(format!("{}.backup", name))
+    }
+
+    #[inline]
+    fn remote_readme_path(&self) -> PathBuf {
+        self.0.join("remote/README.md")
+    }
+
+}
\ No newline at end of file
diff --git a/src/repository/mod.rs b/src/repository/mod.rs
index e385f9d..dcd793f 100644
--- a/src/repository/mod.rs
+++ b/src/repository/mod.rs
@@ -31,7 +31,7 @@ pub use self::backup::{BackupError, BackupOptions, DiffType};
 pub use self::backup_file::{Backup, BackupFileError};
 pub use self::integrity::IntegrityError;
 pub use self::info::{RepositoryInfo, BundleAnalysis, RepositoryStatistics};
-pub use self::layout::RepositoryLayout;
+pub use self::layout::{RepositoryLayout, ChunkRepositoryLayout};
 use self::bundle_map::BundleMap;
 
 
@@ -74,7 +74,7 @@ impl index::Key for Hash {
 }
 
 pub struct Repository {
-    pub layout: RepositoryLayout,
+    pub layout: Arc<ChunkRepositoryLayout>,
     pub config: Config,
     index: Index<Hash, Location>,
     crypto: Arc<Mutex<Crypto>>,
@@ -93,12 +93,11 @@ pub struct Repository {
 
 
 impl Repository {
-    pub fn create<P: AsRef<Path>, R: AsRef<Path>>(
-        path: P,
+    pub fn create<R: AsRef<Path>>(
+        layout: Arc<ChunkRepositoryLayout>,
         config: &Config,
         remote: R,
     ) -> Result<Self, RepositoryError> {
-        let layout = RepositoryLayout::new(path.as_ref().to_path_buf());
         try!(fs::create_dir(layout.base_path()));
         try!(File::create(layout.excludes_path()).and_then(|mut f| {
             f.write_all(DEFAULT_EXCLUDES)
@@ -113,7 +112,7 @@ impl Repository {
         ));
         try!(fs::create_dir_all(layout.remote_locks_path()));
         try!(config.save(layout.config_path()));
-        try!(BundleDb::create(&layout));
+        try!(BundleDb::create(layout.clone()));
         try!(Index::<Hash, Location>::create(
             layout.index_path(),
             &INDEX_MAGIC,
@@ -121,12 +120,11 @@ impl Repository {
         ));
         try!(BundleMap::create().save(layout.bundle_map_path()));
         try!(fs::create_dir_all(layout.backups_path()));
-        Self::open(path, true)
+        Self::open(layout, true)
     }
 
     #[allow(unknown_lints, useless_let_if_seq)]
-    pub fn open<P: AsRef<Path>>(path: P, online: bool) -> Result<Self, RepositoryError> {
-        let layout = RepositoryLayout::new(path.as_ref().to_path_buf());
+    pub fn open(layout: Arc<ChunkRepositoryLayout>, online: bool) -> Result<Self, RepositoryError> {
         if !layout.remote_exists() {
             return Err(RepositoryError::NoRemote);
         }
@@ -220,17 +218,16 @@ impl Repository {
         Ok(repo)
     }
 
-    pub fn import<P: AsRef<Path>, R: AsRef<Path>>(
-        path: P,
+    pub fn import<R: AsRef<Path>>(
+        layout: Arc<ChunkRepositoryLayout>,
         remote: R,
         key_files: Vec<String>,
     ) -> Result<Self, RepositoryError> {
-        let path = path.as_ref();
-        let mut repo = try!(Repository::create(path, &Config::default(), remote));
+        let mut repo = try!(Repository::create(layout.clone(), &Config::default(), remote));
         for file in key_files {
             try!(repo.crypto.lock().unwrap().register_keyfile(file));
         }
-        repo = try!(Repository::open(path, true));
+        repo = try!(Repository::open(layout, true));
         let mut backups: Vec<(String, Backup)> = try!(repo.get_all_backups()).into_iter().collect();
         backups.sort_by_key(|&(_, ref b)| b.timestamp);
         if let Some((name, backup)) = backups.pop() {