bring back attic. this time with garage backend

overlay/attic/concurrent-32.patch

@@ -1,13 +0,0 @@
-diff --git a/server/src/config.rs b/server/src/config.rs
-index 4412cbf..6dd483a 100644
---- a/server/src/config.rs
-+++ b/server/src/config.rs
-@@ -565,7 +565,7 @@ fn default_default_retention_period() -> Duration {
- }
- 
- fn default_concurrent_chunk_uploads() -> usize {
--    10
-+    32
- }
- 
- fn load_config_from_path(path: &Path) -> Result<Config> {

overlay/attic/default.nix

@@ -1,26 +0,0 @@
-final: prev: {
-  attic-client = prev.attic-client.override (old: {
-    rustPlatform = old.rustPlatform // {
-      buildRustPackage =
-        args:
-        old.rustPlatform.buildRustPackage (
-          args
-          // {
-            version = "0.1.1";
-            src = final.fetchFromGitHub {
-              owner = "cything";
-              repo = "attic";
-              rev = "d660c85bdb6bb10499a23a846a13107ea0c72769";
-              hash = "sha256-E22d2OLV02L2QdiSeK58flveehR8z8WIKkcN/njAMdg=";
-            };
-            cargoLock = null;
-            cargoHash = "sha256-AbpWnYfBMrR6oOfy2LkQvIPYsClCWE89bJav+iHTtLM=";
-            useFetchCargoVendor = true;
-            patches = [
-              ./concurrent-32.patch
-            ];
-          }
-        );
-    };
-  });
-}

overlay/default.nix

@@ -1,14 +1,12 @@
 { inputs }:
 let
   overlays = [
-    ./attic
     ./zipline
     ./bitwarden
   ];
   importedOverlays = map (m: import m) overlays;
 in
-importedOverlays
-++ [
+[
   (
     final: prev:
     let
@@ -19,6 +17,9 @@ importedOverlays
       conduwuit =
        pkgFrom inputs.conduwuit "static-x86_64-linux-musl-all-features-x86_64-haswell-optimised";
       pixelflasher = nixpkgsFrom inputs.pixelflasher "pixelflasher";
+      attic-server = pkgFrom inputs.attic "attic-server";
+      attic = pkgFrom inputs.attic "attic";
     }
   )
-]
+]
+++ importedOverlays