modules/nvim/plgs/flatten: Re-enable

The plugin had breaking changes to its config, which caused me to
disable it for some time.

2 files changed, 40 insertions, 35 deletions

diff --git a/modules/by-name/nv/nvim/plgs/flatten-nvim/default.nix b/modules/by-name/nv/nvim/plgs/flatten-nvim/default.nix
index 8d61d859..3257d661 100644
--- a/modules/by-name/nv/nvim/plgs/flatten-nvim/default.nix
+++ b/modules/by-name/nv/nvim/plgs/flatten-nvim/default.nix
@@ -16,7 +16,7 @@
   cfg = config.soispha.programs.nvim;
 in {
   # TODO: Get this plugin working again <2025-01-29>
-  home-manager.users.soispha.programs.nixvim = lib.mkIf false {
+  home-manager.users.soispha.programs.nixvim = lib.mkIf cfg.enable {
     # TODO: package flatten-nvim though a module
 
     extraConfigLuaPre = ''
@@ -26,6 +26,7 @@ in {
         return
       end
     '';
+
     extraPlugins = [
       pkgs.vimPlugins.flatten-nvim
     ];
diff --git a/modules/by-name/nv/nvim/plgs/flatten-nvim/lua/flatten-nvim.lua b/modules/by-name/nv/nvim/plgs/flatten-nvim/lua/flatten-nvim.lua
index 0c86cd27..7e170098 100644
--- a/modules/by-name/nv/nvim/plgs/flatten-nvim/lua/flatten-nvim.lua
+++ b/modules/by-name/nv/nvim/plgs/flatten-nvim/lua/flatten-nvim.lua
@@ -8,6 +8,8 @@
 -- You should have received a copy of the License along with this program.
 -- If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
 
+local flatten = require("flatten")
+
 ---Types:
 --
 -- Passed to callbacks that handle opening files
@@ -27,20 +29,20 @@
 ---@alias OpenHandler fun(files: BufInfo[], argv: string[], stdin_buf: BufInfo, guest_cwd: string):window, buffer
 --
 require("flatten").setup({
-  callbacks = {
+  hooks = {
     ---Called to determine if a nested session should wait for the host to close the file.
     ---param argv: a list of all the arguments in the nested session
     ---@type fun(argv: table): boolean
-    should_block = require("flatten").default_should_block,
+    should_block = flatten.hooks.should_block;
 
     ---If this returns true, the nested session will be opened.
     ---If false, default behavior is used, and
     ---config.nest_if_no_args is respected.
     ---@type fun(host: channel):boolean
-    should_nest = require("flatten").default_should_nest,
+    should_nest = flatten.hooks.should_nest;
 
     ---Called before a nested session is opened.
-    pre_open = function() end,
+    pre_open = flatten.hooks.pre_open;
 
     ---Called after a nested session is opened.
     ---@param bufnr buffer
@@ -48,29 +50,36 @@ require("flatten").setup({
     ---@param filetype string
     ---@param is_blocking boolean
     ---@param is_diff boolean
-    post_open = function(bufnr, winnr, filetype, is_blocking, is_diff)
-      -- If the file is a git commit, create one-shot autocmd to delete its buffer on write
-      if filetype == "gitcommit" or filetype == "gitrebase" then
-        vim.api.nvim_create_autocmd("BufWritePost", {
-          buffer = bufnr,
-          once = true,
-          callback = vim.schedule_wrap(function() vim.api.nvim_buf_delete(bufnr, {}) end),
-        })
-      end
-    end,
+    post_open = flatten.hooks.post_open;
 
     ---Called when a nested session is done waiting for the host.
     ---@param filetype string
-    block_end = function(filetype) end,
-  },
+    block_end = flatten.hooks.block_end;
+
+    no_files = flatten.hooks.no_files;
+    guest_data = flatten.hooks.guest_data;
+
+    -- Override this function to use a different socket to connect to the host
+    -- On the host side this can return nil or the socket address.
+    -- On the guest side this should return the socket address
+    -- or a non-zero channel id from `sockconnect`
+    -- flatten.nvim will detect if the address refers to this instance of nvim, to determine if this is a host or a guest
+    pipe_path = flatten.hooks.pipe_path;
+  };
+
   -- <String, Bool> dictionary of filetypes that should be blocking
   block_for = {
-    gitcommit = true,
-  },
+    gitcommit = true;
+    gitrebase = true;
+  };
+
   -- Command passthrough
-  allow_cmd_passthrough = true,
+  disable_cmd_passthrough = false;
+
   -- Allow a nested session to open if Neovim is opened without arguments
-  nest_if_no_args = false,
+  nest_if_no_args = false;
+  nest_if_cmds = false;
+
   -- Window options
   window = {
     -- Options:
@@ -83,7 +92,7 @@ require("flatten").setup({
     -- OpenHandler    -> allows you to handle file opening yourself (see Types)
     --
     -- TODO: Open gitcommit filetypes in the current buffer, everything else in a new tab <2023-08-29>
-    open = "split",
+    open = "split";
 
     -- Options:
     -- vsplit         -> opens files in diff vsplits
@@ -91,24 +100,19 @@ require("flatten").setup({
     -- tab_vsplit     -> creates a new tabpage, and opens diff vsplits
     -- tab_split      -> creates a new tabpage, and opens diff splits
     -- OpenHandler    -> allows you to handle file opening yourself (see Types)
-    diff = "tab_vsplit",
+    diff = "tab_vsplit";
 
     -- Affects which file gets focused when opening multiple at once
     -- Options:
     -- "first"        -> open first file of new files (default)
     -- "last"         -> open last file of new files
-    focus = "first",
-  },
-  -- Override this function to use a different socket to connect to the host
-  -- On the host side this can return nil or the socket address.
-  -- On the guest side this should return the socket address
-  -- or a non-zero channel id from `sockconnect`
-  -- flatten.nvim will detect if the address refers to this instance of nvim, to determine if this is a host or a guest
-  pipe_path = require("flatten").default_pipe_path,
+    focus = "first";
+  };
+
   -- The `default_pipe_path` will treat the first nvim instance within a single kitty/wezterm session as the host
   -- You can configure this behaviour using the following:
-  one_per = {
-    kitty = true, -- Flatten all instance in the current Kitty session
-    wezterm = true, -- Flatten all instance in the current Wezterm session
-  },
+  integrations = {
+    kitty = false;   -- Flatten all instance in the current Kitty session
+    wezterm = false; -- Flatten all instance in the current Wezterm session
+  };
 })