From eae19b0c19623db339a02183c1b32cbf6e066abe Mon Sep 17 00:00:00 2001
From: jasmine <its.jassy@pm.me>
Date: Thu, 15 May 2025 11:09:32 +0800
Subject: [PATCH] session management

---
 config/default.nix                 |  1 +
 config/options.nix                 |  4 ++++
 config/plugins/editor/sessions.nix | 21 +++++++++++++++++++++
 config/plugins/ui/neo-tree.nix     |  7 +++++++
 4 files changed, 33 insertions(+)
 create mode 100644 config/plugins/editor/sessions.nix

diff --git a/config/default.nix b/config/default.nix
index 3c8edba..f8466cb 100644
--- a/config/default.nix
+++ b/config/default.nix
@@ -13,6 +13,7 @@
     # Editor plugins and configurations
     ./plugins/editor/buffers.nix
     ./plugins/editor/comment.nix
+    ./plugins/editor/sessions.nix
     ./plugins/editor/treesitter.nix
 
     # UI plugins
diff --git a/config/options.nix b/config/options.nix
index decd4bd..61378c7 100644
--- a/config/options.nix
+++ b/config/options.nix
@@ -8,11 +8,15 @@
     clipboard = "unnamedplus";
     conceallevel = 1;
     updatetime=100;
+    undofile = true;
 
     # Tabs & Spaces
     tabstop = 2;
     softtabstop = 2;
     shiftwidth = 2;
     expandtab = true;
+
+    # Using this config for sessionoptions is recommended:
+    sessionoptions = "blank,buffers,curdir,folds,help,tabpages,winsize,winpos,terminal,localoptions";
   };
 }
diff --git a/config/plugins/editor/sessions.nix b/config/plugins/editor/sessions.nix
new file mode 100644
index 0000000..265adab
--- /dev/null
+++ b/config/plugins/editor/sessions.nix
@@ -0,0 +1,21 @@
+{ ... }: {
+  plugins.auto-session = {
+    enable = true;
+    settings = {
+      pre_save_cmds = ["Neotree close"];
+      post_restore_cmds = ["Neotree show"];
+    };
+  };
+
+  keymaps = [
+    {
+      mode = ["n"];
+      key = "<leader>ss";
+      action = ":SessionSearch<cr>";
+      options = {
+        desc = "Search sessions";
+        silent = true;
+      };
+    }
+  ];
+}
diff --git a/config/plugins/ui/neo-tree.nix b/config/plugins/ui/neo-tree.nix
index 09c1eb3..5d643da 100644
--- a/config/plugins/ui/neo-tree.nix
+++ b/config/plugins/ui/neo-tree.nix
@@ -1,6 +1,13 @@
 {...}: {
   plugins.neo-tree = {
     enable = true;
+    eventHandlers = {
+      neo_tree_window_after_open = ''
+        function(_)
+          vim.cmd("wincmd =")
+        end
+      '';
+    };
     closeIfLastWindow = true;
   };