From b9413da4b99ef5ae843fe3226e8445b94b355ab2 Mon Sep 17 00:00:00 2001
From: Crony Akatsuki <crony@cronyakatsuki.xyz>
Date: Wed, 5 Nov 2025 18:10:11 +0100
Subject: [PATCH] feat(shell): setup yazi file manager.

---
 modules/cross-platform/home-manager/shell.nix | 46 +++++++++++++++++++
 .../home-manager/yazi/folder-rules/main.lua   | 12 +++++
 .../home-manager/yazi/smart-tab/main.lua      |  7 +++
 3 files changed, 65 insertions(+)
 create mode 100644 modules/cross-platform/home-manager/yazi/folder-rules/main.lua
 create mode 100644 modules/cross-platform/home-manager/yazi/smart-tab/main.lua

diff --git a/modules/cross-platform/home-manager/shell.nix b/modules/cross-platform/home-manager/shell.nix
index ab052eb..8d2649c 100644
--- a/modules/cross-platform/home-manager/shell.nix
+++ b/modules/cross-platform/home-manager/shell.nix
@@ -141,5 +141,51 @@
         filter_mode = "directory";
       };
     };
+
+    # Install and setup yazi
+    programs.yazi = {
+      enable = true;
+      enableZshIntegration = true;
+      shellWrapperName = "y";
+      settings = {
+        mgr = {
+          ratio = [0 4 4];
+          sort_by = "natural";
+          show_hidden = true;
+          show_symlink = false;
+        };
+      };
+      plugins = {
+        full-border = pkgs.yaziPlugins.full-border;
+        smart-enter = pkgs.yaziPlugins.smart-enter;
+        smart-tab = ./yazi/smart-tab;
+        folder-rules = ./yazi/folder-rules;
+      };
+      initLua = ''
+        require("full-border"):setup({
+          type = ui.Border.ROUNDED,
+        })
+
+        require("smart-enter"):setup({
+          open_multi = true,
+        })
+
+        require("folder-rules"):setup()
+      '';
+      keymap = {
+        mgr.prepend_keymap = [
+          {
+            on = "l";
+            run = "plugin smart-enter";
+            desc = "Enter the child directory, or open the file";
+          }
+          {
+            on = "t";
+            run = "plugin smart-tab";
+            desc = "Create a tab and enter the howered directory";
+          }
+        ];
+      };
+    };
   };
 }
diff --git a/modules/cross-platform/home-manager/yazi/folder-rules/main.lua b/modules/cross-platform/home-manager/yazi/folder-rules/main.lua
new file mode 100644
index 0000000..ad2db62
--- /dev/null
+++ b/modules/cross-platform/home-manager/yazi/folder-rules/main.lua
@@ -0,0 +1,12 @@
+local function setup()
+  ps.sub("cd", function()
+    local cwd = cx.active.current.cwd
+    if cwd:ends_with("downs") then
+      ya.emit("sort", { "mtime", reverse = true, dir_first = false })
+    else
+      ya.emit("sort", { "natural", reverse = false, dir_first = true })
+    end
+  end)
+end
+
+return { setup = setup }
diff --git a/modules/cross-platform/home-manager/yazi/smart-tab/main.lua b/modules/cross-platform/home-manager/yazi/smart-tab/main.lua
new file mode 100644
index 0000000..e5270d3
--- /dev/null
+++ b/modules/cross-platform/home-manager/yazi/smart-tab/main.lua
@@ -0,0 +1,7 @@
+--- @sync entry
+return {
+  entry = function()
+    local h = cx.active.current.hovered
+    ya.emit("tab_create", h and h.cha.is_dir and { h.url } or { current = true })
+  end,
+}