refactor: replace BufOnly plugin with two commands

init.lua

@@ -13,7 +13,6 @@ end
 vim.opt.rtp:prepend(lazypath)
 require("lazy").setup({
   "hands-free-vim/talon.nvim",
-  "vim-scripts/BufOnly.vim",
 })
 
 local repo_root = os.getenv("CURSORLESS_REPO_ROOT")

packages/cursorless-neovim-e2e/src/suite/recorded.neovim.test.ts

@@ -67,9 +67,8 @@ async function openNewTestEditor(
   await client.command(":enew");
 
   if (!openBeside) {
-    // close all the other buffers
-    // @see: https://stackoverflow.com/questions/4545275/vim-close-all-buffers-but-this-one
-    await client.command(":BufOnly!");
+    // close all the other buffers (<C-^> is needed because e# fails on unnamed buffers)
+    await client.command("execute '%bd!' | execute 'normal! \\<C-^>'");
   }
 
   // standardise newlines so we can easily split the lines

packages/test-harness/src/config/init.lua

@@ -1,8 +1,6 @@
 local temp_dir = os.getenv("TEMP_DIR")
 local repo_root = os.getenv("CURSORLESS_REPO_ROOT")
 
-vim.cmd("source " .. temp_dir .. "/BufOnly.vim/plugin/BufOnly.vim")
-
 vim.opt.runtimepath:append(temp_dir .. "/talon.nvim")
 vim.opt.runtimepath:append(repo_root .. "/dist/cursorless.nvim")
 

scripts/install-neovim-dependencies.sh

@@ -3,5 +3,4 @@ set -euo pipefail
 
 npm install -g [email protected]
 
-git clone https://github.com/vim-scripts/BufOnly.vim ${TEMP_DIR}/BufOnly.vim
 git clone https://github.com/hands-free-vim/talon.nvim ${TEMP_DIR}/talon.nvim