Fix so that oil can change buffers in the oil window, but you cannot change to another buffer inside the oil window.

home/.config/nvim/lua/plugs/oil.lua

@@ -1,3 +1,5 @@
+local utils = require("utils")
+
 local function lock_oil_buf_to_window(win_id, bufnr)
     local augroup_id = vim.api.nvim_create_augroup("LockWindowToBuffer" .. win_id, { clear = true })
 
@@ -6,26 +8,25 @@ local function lock_oil_buf_to_window(win_id, bufnr)
         group = augroup_id,
         callback = function()
             local current_win = vim.api.nvim_get_current_win()
-            if current_win == win_id then
+            if current_win ~= win_id then
-                local current_buf = vim.api.nvim_win_get_buf(win_id)
+                return
-                if current_buf ~= bufnr then
-                    vim.api.nvim_win_set_buf(win_id, bufnr)
-                end
             end
+
+            local current_buf = vim.api.nvim_win_get_buf(win_id)
+            if current_buf == bufnr then
+                return
+            end
+
+            if utils.is_buf_filetype(current_buf, "oil") then
+                bufnr = current_buf
+                return
+            end
+
+            vim.api.nvim_win_set_buf(win_id, bufnr)
         end,
     })
 end
 
-local function get_oil_bufnr()
-    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
-        if vim.bo[buf].filetype == "oil" then
-            return buf
-        end
-    end
-
-    return nil
-end
-
 return {
     "stevearc/oil.nvim",
     config = function()
@@ -50,7 +51,7 @@ return {
             n = {
                 ["<leader>o"] = {
                     cmd = function()
-                        local oil_bufnr = get_oil_bufnr()
+                        local oil_bufnr = utils.get_bufnr_for_filetype("oil")
                         if oil_bufnr then
                             vim.api.nvim_buf_delete(oil_bufnr, { force = true })
                             return

home/.config/nvim/lua/utils.lua

@@ -8,4 +8,18 @@ function M.add_keymaps(maps)
     end
 end
 
+function M.get_bufnr_for_filetype(filetype)
+    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
+        if vim.bo[buf].filetype == filetype then
+            return buf
+        end
+    end
+
+    return nil
+end
+
+function M.is_buf_filetype(bufnr, filetype)
+    return vim.bo[bufnr].filetype == filetype
+end
+
 return M