feat: first draft

lua/oil/config.lua

@@ -0,0 +1,154 @@
+local default_config = {
+  -- Id is automatically added at the beginning, and name at the end
+  -- See :help oil-columns
+  columns = {
+    "icon",
+    -- "permissions",
+    -- "size",
+    -- "mtime",
+  },
+  -- Window-local options to use for oil buffers
+  win_options = {
+    wrap = false,
+    signcolumn = "no",
+    cursorcolumn = false,
+    foldcolumn = "0",
+    spell = false,
+    list = false,
+    conceallevel = 3,
+    concealcursor = "n",
+  },
+  -- Restore window options to previous values when leaving an oil buffer
+  restore_win_options = true,
+  -- Skip the confirmation popup for simple operations
+  skip_confirm_for_simple_edits = false,
+  -- Keymaps in oil buffer. Can be any value that `vim.keymap.set` accepts OR a table of keymap
+  -- options with a `callback` (e.g. { callback = function() ... end, desc = "", nowait = true })
+  -- Additionally, if it is a string that matches "action.<name>",
+  -- it will use the mapping at require("oil.action").<name>
+  -- Set to `false` to remove a keymap
+  keymaps = {
+    ["g?"] = "actions.show_help",
+    ["<CR>"] = "actions.select",
+    ["<C-s>"] = "actions.select_vsplit",
+    ["<C-h>"] = "actions.select_split",
+    ["<C-p>"] = "actions.preview",
+    ["<C-c>"] = "actions.close",
+    ["-"] = "actions.parent",
+    ["_"] = "actions.open_cwd",
+    ["`"] = "actions.cd",
+    ["~"] = "actions.tcd",
+    ["g."] = "actions.toggle_hidden",
+  },
+  view_options = {
+    -- Show files and directories that start with "."
+    show_hidden = false,
+  },
+  -- Configuration for the floating window in oil.open_float
+  float = {
+    -- Padding around the floating window
+    padding = 2,
+    max_width = 0,
+    max_height = 0,
+    border = "rounded",
+    win_options = {
+      winblend = 10,
+    },
+  },
+  adapters = {
+    ["oil://"] = "files",
+    ["oil-ssh://"] = "ssh",
+  },
+  -- When opening the parent of a file, substitute these url schemes
+  remap_schemes = {
+    ["scp://"] = "oil-ssh://",
+    ["sftp://"] = "oil-ssh://",
+  },
+}
+
+local M = {}
+
+M.setup = function(opts)
+  local new_conf = vim.tbl_deep_extend("keep", opts or {}, default_config)
+
+  for k, v in pairs(new_conf) do
+    M[k] = v
+  end
+
+  vim.tbl_add_reverse_lookup(M.adapters)
+  M._adapter_by_scheme = {}
+  if type(M.trash) == "string" then
+    M.trash = vim.fn.fnamemodify(vim.fn.expand(M.trash), ":p")
+  end
+end
+
+---@return nil|string
+M.get_trash_url = function()
+  if not M.trash then
+    return nil
+  end
+  local fs = require("oil.fs")
+  if M.trash == true then
+    local data_home = os.getenv("XDG_DATA_HOME") or vim.fn.expand("~/.local/share")
+    local preferred = fs.join(data_home, "trash")
+    local candidates = {
+      preferred,
+    }
+    if fs.is_windows then
+      -- TODO permission issues when using the recycle bin. The folder gets created without
+      -- read/write perms, so all operations fail
+      -- local cwd = vim.fn.getcwd()
+      -- table.insert(candidates, 1, cwd:sub(1, 3) .. "$Recycle.Bin")
+      -- table.insert(candidates, 1, "C:\\$Recycle.Bin")
+    else
+      table.insert(candidates, fs.join(data_home, "Trash", "files"))
+      table.insert(candidates, fs.join(os.getenv("HOME"), ".Trash"))
+    end
+    local trash_dir = preferred
+    for _, candidate in ipairs(candidates) do
+      if vim.fn.isdirectory(candidate) == 1 then
+        trash_dir = candidate
+        break
+      end
+    end
+
+    local oil_trash_dir = vim.fn.fnamemodify(fs.join(trash_dir, "nvim", "oil"), ":p")
+    fs.mkdirp(oil_trash_dir)
+    M.trash = oil_trash_dir
+  end
+  return M.adapters.files .. fs.os_to_posix_path(M.trash)
+end
+
+---@param scheme string
+---@return nil|oil.Adapter
+M.get_adapter_by_scheme = function(scheme)
+  if not vim.endswith(scheme, "://") then
+    local pieces = vim.split(scheme, "://", { plain = true })
+    if #pieces <= 2 then
+      scheme = pieces[1] .. "://"
+    else
+      error(string.format("Malformed url: '%s'", scheme))
+    end
+  end
+  local adapter = M._adapter_by_scheme[scheme]
+  if adapter == nil then
+    local name = M.adapters[scheme]
+    local ok
+    ok, adapter = pcall(require, string.format("oil.adapters.%s", name))
+    if ok then
+      adapter.name = name
+      M._adapter_by_scheme[scheme] = adapter
+    else
+      M._adapter_by_scheme[scheme] = false
+      adapter = false
+      vim.notify(string.format("Could not find oil adapter '%s'", name), vim.log.levels.ERROR)
+    end
+  end
+  if adapter then
+    return adapter
+  else
+    return nil
+  end
+end
+
+return M