feat: action to open entry in new tab (#52)

lua/oil/actions.lua

@@ -30,6 +30,13 @@ M.select_split = {
   end,
 }
 
+M.select_tab = {
+  desc = "Open the entry under the cursor in a new tab",
+  callback = function()
+    oil.select({ tab = true })
+  end,
+}
+
 M.preview = {
   desc = "Open the entry under the cursor in a preview window, or close the preview window if already open",
   callback = function()

lua/oil/config.lua

@@ -37,6 +37,7 @@ local default_config = {
     ["<CR>"] = "actions.select",
     ["<C-s>"] = "actions.select_vsplit",
     ["<C-h>"] = "actions.select_split",
+    ["<C-t>"] = "actions.select_tab",
     ["<C-p>"] = "actions.preview",
     ["<C-c>"] = "actions.close",
     ["<C-l>"] = "actions.refresh",

lua/oil/init.lua

@@ -313,6 +313,7 @@ end
 ---    horizontal boolean Open the buffer in a horizontal split
 ---    split "aboveleft"|"belowright"|"topleft"|"botright" Split modifier
 ---    preview boolean Open the buffer in a preview window
+---    tab boolean Open the buffer in a new tab
 M.select = function(opts)
   local cache = require("oil.cache")
   opts = vim.tbl_extend("keep", opts or {}, {})
@@ -322,6 +323,9 @@ M.select = function(opts)
   if opts.preview and not opts.horizontal and opts.vertical == nil then
     opts.vertical = true
   end
+  if opts.tab and (opts.preview or opts.split) then
+    error("Cannot set preview or split when tab = true")
+  end
   local util = require("oil.util")
   if util.is_floating_win() and opts.preview then
     vim.notify("oil preview doesn't work in a floating window", vim.log.levels.ERROR)
@@ -405,7 +409,14 @@ M.select = function(opts)
     if vim.tbl_isempty(mods) then
       mods = nil
     end
-    local cmd = opts.split and "split" or "edit"
+    local cmd
+    if opts.tab then
+      cmd = "tabedit"
+    elseif opts.split then
+      cmd = "split"
+    else
+      cmd = "edit"
+    end
     vim.cmd({
       cmd = cmd,
       args = { url },