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--[[ 50-oil.lua — file explorer that edits the filesystem like a buffer (oil.nvim).
Replaces netrw's local directory browsing (`default_file_explorer`); netrw's remote handlers
(ftp://, scp://, …) live in a separate autocmd group and keep working. Deletions go to the
freedesktop trash rather than being removed permanently. oil-git-status.nvim shows each
entry's git status (files and folders) in the sign column.
Global keymaps:
`-` open the parent directory in the current window
`<M-e>` toggle oil in a floating window
Keymaps inside an oil buffer (merged with oil's defaults):
`<C-s>` open the entry under the cursor in a horizontal split (like `CTRL-W_s`)
`<C-v>` open the entry under the cursor in a vertical split (like `CTRL-W_v`)
`<C-d>` scroll down in the preview window when one is open, otherwise in the oil buffer
`<C-u>` scroll up in the preview window when one is open, otherwise in the oil buffer
`gd` toggle the detail columns (permissions, size, mtime)
`zi` toggle folding in the preview window
]]
local oil = require("oil")
local oil_util = require("oil.util")
local help = require("dotfiles.help")
-- Extra columns added on top of `icon` when detail is toggled on; off by default.
local detail_columns = { "icon", "permissions", "size", "mtime" }
local show_detail = false
-- Toggle the permissions/size/mtime columns, keeping the icon column.
local function toggle_detail_columns()
show_detail = not show_detail
oil.set_columns(show_detail and detail_columns or { "icon" })
end
--[[ Toggle folding in the oil preview window.
'foldenable' is not in `preview_win.win_options`, so the toggle survives preview refreshes;
folds start closed via `foldlevel = 0`, so this flips between the folded overview and full content. ]]
local function toggle_preview_folds()
local preview_win = oil_util.get_preview_win()
if not preview_win then
vim.notify("No oil preview window open", vim.log.levels.WARN)
return
end
vim.wo[preview_win].foldenable = not vim.wo[preview_win].foldenable
end
-- Run a normal-mode scroll key in the preview window when one is open, else in the current window.
local function scroll_win(key)
local win = oil_util.get_preview_win() or vim.api.nvim_get_current_win()
vim.api.nvim_win_call(win, function()
vim.cmd.normal({ args = { vim.keycode(key) }, bang = true })
end)
end
-- Scroll half a page down in the preview window, falling back to the oil buffer.
local function preview_scroll_down()
scroll_win("<C-d>")
end
-- Scroll half a page up in the preview window, falling back to the oil buffer.
local function preview_scroll_up()
scroll_win("<C-u>")
end
oil.setup({
default_file_explorer = true,
delete_to_trash = true,
columns = { "icon" },
view_options = { show_hidden = true },
-- oil-git-status renders two sign columns (index + working tree).
win_options = { signcolumn = "yes:2" },
--[[ The scratch preview sets no 'filetype', so the FileType fold autocmd never fires.
Drive treesitter folds on the preview window directly; `foldlevel = 0` closes them on open. ]]
preview_win = {
win_options = {
foldmethod = "expr",
foldexpr = "v:lua.vim.treesitter.foldexpr()",
foldcolumn = "1",
foldlevel = 0,
},
},
keymaps = {
["<C-h>"] = false,
["<C-s>"] = { "actions.select", opts = { horizontal = true } },
["<C-v>"] = { "actions.select", opts = { vertical = true } },
-- stylua: ignore start
["<C-d>"] = { callback = preview_scroll_down, desc = "Scroll down (preview if open)", mode = "n" },
["<C-u>"] = { callback = preview_scroll_up, desc = "Scroll up (preview if open)", mode = "n" },
-- stylua: ignore end
["gd"] = { callback = toggle_detail_columns, desc = "Toggle detail columns", mode = "n" },
["zi"] = { callback = toggle_preview_folds, desc = "Toggle preview folds", mode = "n" },
},
})
require("oil-git-status").setup({ show_ignored = true })
vim.keymap.set("n", "-", "<Cmd>Oil<CR>", { desc = "Open parent directory (oil)" })
vim.keymap.set("n", "<M-e>", oil.toggle_float, { desc = "Toggle oil (floating)" })
help.register("oil", {
maps = {
{ "-", "Open parent directory (oil)" },
{ "<M-e>", "Toggle oil (floating)" },
},
})
help.register("oil (buffer-local)", {
maps = {
{ "<C-s>", "Open entry in a horizontal split" },
{ "<C-v>", "Open entry in a vertical split" },
{ "<C-d>", "Scroll down (preview if open)" },
{ "<C-u>", "Scroll up (preview if open)" },
{ "gd", "Toggle detail columns" },
{ "zi", "Toggle preview folds" },
},
})
|
