DIY instead of vimux (#25)

nvim/lua/plugins/runner.lua

@@ -0,0 +1,21 @@
+local function configure()
+  local runner = require("runner")
+  vim.keymap.set("n", "<leader>vd", runner.close, { desc = "[v]imux [d]elete" })
+  vim.keymap.set("n", "<leader>vp", runner.prompt, { desc = "[v]imux [p]rompt" })
+  vim.keymap.set("n", "<leader>vr", function() runner.run("!!") end, { desc = "[v]imux [r]erun the last command" })
+  vim.keymap.set(
+    "n",
+    "<leader>vz",
+    runner.zoom,
+    { desc = "[v]imux [z]oom (tmux <leader>-z to toggle https://superuser.com/a/576505/468052)" }
+  )
+end
+
+return {
+  "local/runner",
+  cond = function()
+    return vim.fn.executable("tmux") == 1
+  end,
+  config = configure,
+  dev = true,
+}

nvim/lua/runner.lua

@@ -0,0 +1,44 @@
+local M = {}
+
+M.close = function()
+  local runner = M.getId()
+  if runner == '' then
+    return
+  end
+  os.execute("tmux kill-pane -t "..runner)
+end
+
+M.prompt = function()
+  local cmd = vim.fn.input("$ ")
+  M.run(cmd)
+end
+
+M.run = function(cmd)
+  local runner = M.getId()
+  if runner == '' then
+    os.execute("tmux split-window -p 40 -h")
+    os.execute("tmux last-pane")
+    runner = M.getId()
+    if runner == '' then
+      return
+    end
+  end
+  os.execute("tmux send-keys -t "..runner.." '"..cmd.."' ENTER")
+end
+
+M.zoom = function ()
+  local runner = M.getId()
+  os.execute("tmux resize-pane -Z -t "..runner)
+end
+
+M.getId = function()
+  local panes = vim.fn.systemlist("tmux list-panes -F '#{pane_active}:#{pane_id}'")
+  for _, pane in pairs(panes) do
+    if string.sub(pane,1,1) ~= "1" then
+      return string.sub(pane,3)
+    end
+  end
+  return ''
+end
+
+return M