diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e03f2d9..ccba856 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -91,7 +91,6 @@ jobs:
           [
             { runner: macos-14 },
             { runner: macos-13 },
-            { runner: macos-12 },
           ]
     runs-on: ${{ matrix.build.runner }}
     env:
diff --git a/nix/shell/default.nix b/nix/shell/default.nix
index 9ee2af0..41d20a3 100644
--- a/nix/shell/default.nix
+++ b/nix/shell/default.nix
@@ -1,5 +1,9 @@
-{pkgs, config, ...}: let
-  shells = pkgs.callPackages ./shells.nix { inherit (config.legacyPackages) tl-optional tl-expected; };
+{
+  pkgs,
+  config,
+  ...
+}: let
+  shells = pkgs.callPackages ./shells.nix {inherit (config.legacyPackages) tl-optional tl-expected;};
 in {
   devShells = {
     inherit (shells) ciGcc ciClang devGcc devClang;
diff --git a/nix/shell/shells.nix b/nix/shell/shells.nix
index 2610006..a673b46 100644
--- a/nix/shell/shells.nix
+++ b/nix/shell/shells.nix
@@ -1,5 +1,7 @@
 {
   mkShell,
+  nil,
+  just,
   gcc11Stdenv,
   llvmPackages_16,
   act,
@@ -18,12 +20,6 @@
   #
   # Packages
   #
-  baseShellDeps = [
-    doxygen
-    cmake
-    graphviz
-  ];
-
   devPackages = [
     act
   ];
@@ -31,24 +27,33 @@
   baseShellAttrs = {
     hardeningDisable = ["all"];
 
-    packages =
-      [
-        meson
-        ninja
-        pkg-config
+    nativeBuildInputs = [
+      just
+      nil
+
+      meson
+      ninja
+      pkg-config
 
-        catch2_3
-        fmt
-        tl-optional
-        tl-expected
-      ]
-      ++ baseShellDeps;
+      doxygen
+      cmake
+      graphviz
+    ];
+
+    buildInputs = [
+      catch2_3
+      fmt
+      tl-optional
+      tl-expected
+    ];
   };
 
   baseDevShellAttrs =
     baseShellAttrs
     // {
-      packages = baseShellAttrs.packages ++ devPackages;
+      inherit (baseShellAttrs) buildInputs;
+
+      nativeBuildInputs = baseShellAttrs.nativeBuildInputs ++ devPackages;
     };
 
   #
diff --git a/src/lib/src/dire/linux/base.cpp b/src/lib/src/dire/linux/base.cpp
index b53dcb2..dd213ad 100644
--- a/src/lib/src/dire/linux/base.cpp
+++ b/src/lib/src/dire/linux/base.cpp
@@ -9,39 +9,40 @@ namespace dire
 
 namespace detail
 {
-auto cache_dir_from_home(dire::Path home) -> dire::Path
+
+auto cache_dir_from_home(Path home) -> Path
 {
-	return dire::detail::getenv("XDG_CACHE_HOME")
-		.and_then(dire::detail::system_dirs::non_absolute_path_to_none)
+	return getenv("XDG_CACHE_HOME")
+		.and_then(system_dirs::non_absolute_path_to_none)
 		.value_or(home.append(".cache"));
 }
 
-auto config_dir_from_home(dire::Path home) -> dire::Path
+auto config_dir_from_home(Path home) -> Path
 {
-	return dire::detail::getenv("XDG_CONFIG_HOME")
-		.and_then(dire::detail::system_dirs::non_absolute_path_to_none)
+	return getenv("XDG_CONFIG_HOME")
+		.and_then(system_dirs::non_absolute_path_to_none)
 		.value_or(home.append(".config"));
 }
 
-auto executable_dir_from_home(dire::Path home) -> dire::Path
+auto executable_dir_from_home(Path home) -> Path
 {
 	// WARNING: this is not officially supported by the xdg spec
-	return dire::detail::getenv("XDG_BIN_HOME")
-		.and_then(dire::detail::system_dirs::non_absolute_path_to_none)
+	return getenv("XDG_BIN_HOME")
+		.and_then(system_dirs::non_absolute_path_to_none)
 		.value_or(home.append(".local/bin"));
 }
 
-auto state_dir_from_home(dire::Path home) -> dire::Path
+auto state_dir_from_home(Path home) -> Path
 {
-	return dire::detail::getenv("XDG_STATE_HOME")
-		.and_then(dire::detail::system_dirs::non_absolute_path_to_none)
+	return getenv("XDG_STATE_HOME")
+		.and_then(system_dirs::non_absolute_path_to_none)
 		.value_or(home.append(".local/state"));
 }
 
-auto data_dir_from_home(dire::Path home) -> dire::Path
+auto data_dir_from_home(Path home) -> Path
 {
-	return dire::detail::getenv("XDG_DATA_HOME")
-		.and_then(dire::detail::system_dirs::non_absolute_path_to_none)
+	return getenv("XDG_DATA_HOME")
+		.and_then(system_dirs::non_absolute_path_to_none)
 		.value_or(home.append(".local/share"));
 }
 
diff --git a/src/lib/src/dire/mac/base.cpp b/src/lib/src/dire/mac/base.cpp
index 49c019f..c8929ea 100644
--- a/src/lib/src/dire/mac/base.cpp
+++ b/src/lib/src/dire/mac/base.cpp
@@ -4,44 +4,44 @@
 #include <dire/detail/system_dirs/shared.hpp>
 #include <dire/detail/getenv.hpp>
 
+namespace dire
+{
+
 namespace
 {
 
-auto concat_cache_dir(dire::Path const& home) -> dire::Path
+auto concat_cache_dir(Path const& home) -> Path
 {
 	return home / "Library" / "Caches";
 }
 
-auto concat_config_dir(dire::Path const& home) -> dire::Path
+auto concat_config_dir(Path const& home) -> Path
 {
 	return home / "Library" / "Application Support";
 }
 
-auto concat_config_local_dir(dire::Path const& home) -> dire::Path
+auto concat_config_local_dir(Path const& home) -> Path
 {
 	return concat_config_dir(home);
 }
 
-auto concat_data_dir(dire::Path const& home) -> dire::Path
+auto concat_data_dir(Path const& home) -> Path
 {
 	return concat_config_dir(home);
 }
 
-auto concat_data_local_dir(dire::Path const& home) -> dire::Path
+auto concat_data_local_dir(Path const& home) -> Path
 {
 	return concat_config_dir(home);
 }
 
-auto concat_preference_dir(dire::Path const& home) -> dire::Path
+auto concat_preference_dir(Path const& home) -> Path
 {
 	return concat_config_dir(home);
 }
 
 } // namespace
 
-namespace dire
-{
-
 auto BaseDirsBundle::make() -> Optional<BaseDirsBundle>
 {
 	auto home = ::dire::home_dir();
diff --git a/src/lib/src/dire/mac/user.cpp b/src/lib/src/dire/mac/user.cpp
index 2141e9e..2cb7e7a 100644
--- a/src/lib/src/dire/mac/user.cpp
+++ b/src/lib/src/dire/mac/user.cpp
@@ -5,53 +5,54 @@
 #include <dire/detail/system_dirs/shared.hpp>
 #include <dire/detail/getenv.hpp>
 
+namespace dire
+{
+
 namespace
 {
 
-auto concat_audio_dir(dire::Path const& home) -> dire::Path
+auto concat_audio_dir(Path const& home) -> Path
 {
 	return home / "Music";
 }
 
-auto concat_desktop_dir(dire::Path const& home) -> dire::Path
+auto concat_desktop_dir(Path const& home) -> Path
 {
 	return home / "Desktop";
 }
 
-auto concat_document_dir(dire::Path const& home) -> dire::Path
+auto concat_document_dir(Path const& home) -> Path
 {
 	return home / "Documents";
 }
 
-auto concat_download_dir(dire::Path const& home) -> dire::Path
+auto concat_download_dir(Path const& home) -> Path
 {
 	return home / "Downloads";
 }
 
-auto concat_font_dir(dire::Path const& home) -> dire::Path
+auto concat_font_dir(Path const& home) -> Path
 {
 	return home / "Library" / "Fonts";
 }
 
-auto concat_picture_dir(dire::Path const& home) -> dire::Path
+auto concat_picture_dir(Path const& home) -> Path
 {
 	return home / "Pictures";
 }
 
-auto concat_public_dir(dire::Path const& home) -> dire::Path
+auto concat_public_dir(Path const& home) -> Path
 {
 	return home / "Public";
 }
 
-auto concat_video_dir(dire::Path const& home) -> dire::Path
+auto concat_video_dir(Path const& home) -> Path
 {
 	return home / "Movies";
 }
 
 } // namespace
 
-namespace dire
-{
 
 auto UserDirsBundle::make() -> Optional<UserDirsBundle>
 {
diff --git a/src/lib/src/dire/windows/user.cpp b/src/lib/src/dire/windows/user.cpp
index 51a3cb4..60f2822 100644
--- a/src/lib/src/dire/windows/user.cpp
+++ b/src/lib/src/dire/windows/user.cpp
@@ -1,3 +1,4 @@
+#include <dire/base.hpp>
 #include <dire/user.hpp>
 
 #include <dire/detail/system_dirs/system_dirs.hpp>
@@ -7,23 +8,23 @@ namespace dire
 
 auto UserDirsBundle::make() -> Optional<UserDirsBundle>
 {
-	auto home = home_dir();
+	auto home = ::dire::home_dir();
 
 	if(not home) {
 		return {};
 	}
 
 	return UserDirsBundle {
-		.audio_dir = *audio_dir(),
-		.desktop_dir = *desktop_dir(),
-		.document_dir = *document_dir(),
-		.download_dir = *download_dir(),
-		.picture_dir = *picture_dir(),
-		.video_dir = *video_dir(),
-		.public_dir = *public_dir(),
+		.audio_dir = *::dire::audio_dir(),
+		.desktop_dir = *::dire::desktop_dir(),
+		.document_dir = *::dire::document_dir(),
+		.download_dir = *::dire::download_dir(),
+		.picture_dir = *::dire::picture_dir(),
+		.video_dir = *::dire::video_dir(),
+		.public_dir = *::dire::public_dir(),
 
 		.font_dir = {},
-		.template_dir = *template_dir(),
+		.template_dir = *::dire::template_dir(),
 	};
 }