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README.md
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README.md
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# telescope-vinegar.nvim
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A modified version of [Telescope.nvim](https://github.com/nvim-telescope/telescope.nvim)'s built-in file browser with behavior inspired by [vim-vinegar](https://github.com/tpope/vim-vinegar) and [vim-filebeagle](https://github.com/jeetsukumaran/vim-filebeagle).
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## Usage
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File browser opens in the current buffer's directory in normal mode by default.
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- `-` goes up a level to the parent directory
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- `/` enters insert mode to search files
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- `+` prompts for a new file name to create
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- `h` toggles whether hidden files are displayed or not
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## Installation
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Install with packer (or similar equivalent package manager):
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```lua
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use 'rudism/telescope-vinegar.nvim'
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```
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Bind this to a key (I recommend `-`) and execute it to open the file browser in the current file's directory:
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```lua
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require('telescope').extensions.vinegar.file_browser()
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```
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lua/telescope/_extensions/vinegar.lua
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lua/telescope/_extensions/vinegar.lua
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local telescope = require('telescope')
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local finders = require('telescope.finders')
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local pickers = require('telescope.pickers')
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local actions = require('telescope.actions')
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local action_state = require('telescope.actions.state')
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local action_set = require('telescope.actions.set')
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local utils = require('telescope.utils')
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local conf = require('telescope.config').values
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local scan = require('plenary.scandir')
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local Path = require('plenary.path')
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local os_sep = Path.path.sep
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return telescope.register_extension {
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exports = {
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file_browser = function(opts)
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opts = opts or {}
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local is_dir = function(value)
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return value:sub(-1, -1) == os_sep
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end
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opts.depth = opts.depth or 1
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opts.cwd = opts.cwd and vim.fn.expand(opts.cwd) or utils.buffer_dir()
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opts.new_finder = opts.new_finder
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or function(o)
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opts.cwd = o.path
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opts.hidden = o.hidden
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local data = {}
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scan.scan_dir(o.path, {
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hidden = opts.hidden or false,
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add_dirs = true,
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depth = opts.depth,
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on_insert = function(entry, typ)
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table.insert(data, typ == "directory" and (entry .. os_sep) or entry)
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end,
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})
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table.insert(data, ".." .. os_sep)
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local maker = function()
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local mt = {}
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mt.cwd = opts.cwd
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mt.display = function(entry)
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local hl_group
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local display = utils.transform_path(opts, entry.value)
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if is_dir(entry.value) then
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display = display .. os_sep
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if not opts.disable_devicons then
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display = (opts.dir_icon or "") .. " " .. display
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hl_group = "Default"
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end
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else
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display, hl_group = utils.transform_devicons(entry.value, display, opts.disable_devicons)
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end
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if hl_group then
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return display, { { { 1, 3 }, hl_group } }
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else
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return display
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end
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end
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mt.__index = function(t, k)
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local raw = rawget(mt, k)
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if raw then
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return raw
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end
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if k == "path" then
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local retpath = Path:new({ t.cwd, t.value }):absolute()
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if not vim.loop.fs_access(retpath, "R", nil) then
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retpath = t.value
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end
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if is_dir(t.value) then
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retpath = retpath .. os_sep
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end
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return retpath
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end
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return rawget(t, rawget({ value = 1 }, k))
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end
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return function(line)
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local tbl = { line }
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tbl.ordinal = Path:new(line):make_relative(opts.cwd)
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return setmetatable(tbl, mt)
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end
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end
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return finders.new_table { results = data, entry_maker = maker() }
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end
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pickers.new(opts, {
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prompt_title = 'File Browser',
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prompt_prefix = '> ',
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finder = opts.new_finder({ path = opts.cwd, hidden = opts.hidden }),
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previewer = conf.file_previewer(opts),
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sorter = conf.file_sorter(opts),
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initial_mode = opts.initial_mode or 'normal',
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attach_mappings = function(prompt_bufnr, map)
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action_set.select:replace_if(function()
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return is_dir(action_state.get_selected_entry().path)
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end, function()
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local new_cwd = vim.fn.expand(action_state.get_selected_entry().path:sub(1, -2))
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local current_picker = action_state.get_current_picker(prompt_bufnr)
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current_picker.cwd = new_cwd
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current_picker:refresh(opts.new_finder({ path = new_cwd, hidden = opts.hidden }), { reset_prompt = true })
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vim.cmd('stopinsert')
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end)
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local refresh_prompt = function(path)
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vim.cmd('stopinsert')
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local current_picker = action_state.get_current_picker(prompt_bufnr)
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current_picker.cwd = path or current_picker.cwd
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local new_prefix = opts.new_file_mode and 'Create File> ' or '> '
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current_picker:refresh(
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opts.new_finder({ path = path or current_picker.cwd, hidden = opts.hidden }),
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{ reset_prompt = true, new_prefix = new_prefix }
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)
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end
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local create_new_file = function()
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local current_picker = action_state.get_current_picker(prompt_bufnr)
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local file = action_state.get_current_line()
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if file == "" then
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refresh_prompt()
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return
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end
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local fpath = current_picker.cwd .. os_sep .. file
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if not is_dir(fpath) then
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Path:new(fpath):touch { parents = true }
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refresh_prompt()
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else
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Path:new(fpath:sub(1, -2)):mkdir { parents = true }
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local new_cwd = vim.fn.expand(fpath)
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refresh_prompt(new_cwd)
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end
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end
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map("n", "-", function() -- go up a level
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local current_picker = action_state.get_current_picker(prompt_bufnr)
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local new_cwd = Path:new(current_picker.cwd):parent():absolute()
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refresh_prompt(new_cwd)
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end)
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map("n", "/", function() -- enter insert mode to search
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vim.cmd('startinsert')
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end)
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map("n", "+", function() -- enter insert mode to create new file
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opts.new_file_mode = true
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refresh_prompt()
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vim.cmd('startinsert')
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end)
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map("n", "h", function() -- toggle hidden
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local current_picker = action_state.get_current_picker(prompt_bufnr)
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current_picker:refresh(
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opts.new_finder({ path = current_picker.cwd, hidden = not opts.hidden }),
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{ reset_prompt = true }
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)
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end)
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map("i", "<esc>", function()
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opts.new_file_mode = false
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refresh_prompt()
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end)
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map("i", "<cr>", function() -- create file or default
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if opts.new_file_mode then
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opts.new_file_mode = false
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create_new_file()
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else
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actions.select_default(prompt_bufnr)
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end
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end)
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return true
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end,
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}):find()
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end
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}
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}
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