feat: trash support for linux and mac (#165)
* wip: skeleton code for trash adapter * refactor: split trash implementation for mac and linux * fix: ensure we create the .Trash/$uid dir * feat: code complete linux trash implementation * doc: write up trash features * feat: code complete mac trash implementation * cleanup: remove previous, terrible, undocumented trash feature * fix: always disabled trash * feat: show original path of trashed files * doc: add a note about calling actions directly * fix: bugs in trash implementation * fix: schedule_wrap in mac trash * doc: fix typo and line wrapping * fix: parsing of arguments to :Oil command * doc: small documentation tweaks * doc: fix awkward wording in the toggle_trash action * fix: warning on Windows when delete_to_trash = true * feat: :Oil --trash can open specific trash directories * fix: show all trash files in device root * fix: trash mtime should be sortable * fix: shorten_path handles optional trailing slash * refactor: overhaul the UI * fix: keep trash original path vtext from stacking * refactor: replace disable_changes with an error filter * fix: shorten path names in home directory relative to root * doc: small README format changes * cleanup: remove unnecessary preserve_undo logic * test: add a functional test for the freedesktop trash adapter * test: more functional tests for trash * fix: schedule a callback to avoid main loop error * refactor: clean up mutator logic * doc: some comments and type annotations
This commit is contained in:
Steven Arcangeli
GitHub
parent
d8f0d91b10
commit
6175bd6462
27 changed files with 1580 additions and 229 deletions
630
lua/oil/adapters/trash/freedesktop.lua
Normal file
630
lua/oil/adapters/trash/freedesktop.lua
Normal file
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@ -0,0 +1,630 @@
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-- Based on the FreeDesktop.org trash specification
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-- https://specifications.freedesktop.org/trash-spec/trashspec-1.0.html
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local cache = require("oil.cache")
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local config = require("oil.config")
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local constants = require("oil.constants")
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local files = require("oil.adapters.files")
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local fs = require("oil.fs")
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local util = require("oil.util")
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local uv = vim.uv or vim.loop
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local FIELD_META = constants.FIELD_META
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local M = {}
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local function touch_dir(path)
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uv.fs_mkdir(path, 448) -- 0700
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end
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local function ensure_trash_dir(path)
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touch_dir(path)
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touch_dir(fs.join(path, "info"))
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touch_dir(fs.join(path, "files"))
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end
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---Gets the location of the home trash dir, creating it if necessary
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---@return string
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local function get_home_trash_dir()
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local xdg_home = vim.env.XDG_DATA_HOME
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if not xdg_home then
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xdg_home = fs.join(assert(uv.os_homedir()), ".local", "share")
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end
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local trash_dir = fs.join(xdg_home, "Trash")
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ensure_trash_dir(trash_dir)
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return trash_dir
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end
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---@param mode integer
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---@return boolean
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local function is_sticky(mode)
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local extra = bit.rshift(mode, 9)
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return bit.band(extra, 4) ~= 0
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end
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---Get the topdir .Trash/$uid directory if present and valid
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---@param path string
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---@return string[]
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local function get_top_trash_dirs(path)
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local dirs = {}
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local dev = (uv.fs_stat(path) or {}).dev
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local top_trash_dirs = vim.fs.find(".Trash", { upward = true, path = path, limit = math.huge })
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for _, top_trash_dir in ipairs(top_trash_dirs) do
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local stat = uv.fs_stat(top_trash_dir)
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if stat and not dev then
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dev = stat.dev
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end
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if stat and stat.dev == dev and stat.type == "directory" and is_sticky(stat.mode) then
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local trash_dir = fs.join(top_trash_dir, tostring(uv.getuid()))
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ensure_trash_dir(trash_dir)
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table.insert(dirs, trash_dir)
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end
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end
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-- Also search for the .Trash-$uid
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top_trash_dirs = vim.fs.find(
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string.format(".Trash-%d", uv.getuid()),
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{ upward = true, path = path, limit = math.huge }
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)
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for _, top_trash_dir in ipairs(top_trash_dirs) do
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local stat = uv.fs_stat(top_trash_dir)
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if stat and stat.dev == dev then
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ensure_trash_dir(top_trash_dir)
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table.insert(dirs, top_trash_dir)
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end
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end
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return dirs
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end
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---@param path string
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---@return string
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local function get_write_trash_dir(path)
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local dev = uv.fs_stat(path).dev
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local home_trash = get_home_trash_dir()
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if uv.fs_stat(home_trash).dev == dev then
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return home_trash
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end
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local top_trash_dirs = get_top_trash_dirs(path)
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if not vim.tbl_isempty(top_trash_dirs) then
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return top_trash_dirs[1]
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end
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local parent = vim.fn.fnamemodify(path, ":h")
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local next_parent = vim.fn.fnamemodify(parent, ":h")
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while parent ~= next_parent and uv.fs_stat(next_parent).dev == dev do
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parent = next_parent
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next_parent = vim.fn.fnamemodify(parent, ":h")
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end
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local top_trash = fs.join(parent, string.format(".Trash-%d", uv.getuid()))
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ensure_trash_dir(top_trash)
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return top_trash
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end
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---@param path string
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---@return string[]
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local function get_read_trash_dirs(path)
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local dirs = { get_home_trash_dir() }
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vim.list_extend(dirs, get_top_trash_dirs(path))
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return dirs
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end
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---@param url string
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---@param callback fun(url: string)
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M.normalize_url = function(url, callback)
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local scheme, path = util.parse_url(url)
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assert(path)
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local os_path = vim.fn.fnamemodify(fs.posix_to_os_path(path), ":p")
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uv.fs_realpath(
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os_path,
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vim.schedule_wrap(function(err, new_os_path)
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local realpath = new_os_path or os_path
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callback(scheme .. util.addslash(fs.os_to_posix_path(realpath)))
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end)
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)
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end
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---@param url string
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---@param entry oil.Entry
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---@param cb fun(path: string)
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M.get_entry_path = function(url, entry, cb)
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local internal_entry = assert(cache.get_entry_by_id(entry.id))
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local meta = internal_entry[FIELD_META]
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---@type oil.TrashInfo
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local trash_info = meta.trash_info
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if not trash_info then
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-- This is a subpath in the trash
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M.normalize_url(url, cb)
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return
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end
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local path = fs.os_to_posix_path(trash_info.trash_file)
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if meta.stat.type == "directory" then
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path = util.addslash(path)
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end
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cb("oil://" .. path)
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end
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---@class oil.TrashInfo
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---@field trash_file string
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---@field info_file string
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---@field original_path string
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---@field deletion_date number
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---@field stat uv_fs_t
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---@param info_file string
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---@param cb fun(err?: string, info?: oil.TrashInfo)
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local function read_trash_info(info_file, cb)
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if not vim.endswith(info_file, ".trashinfo") then
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return cb("File is not .trashinfo")
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end
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uv.fs_open(info_file, "r", 448, function(err, fd)
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if err then
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return cb(err)
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end
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assert(fd)
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uv.fs_fstat(fd, function(stat_err, stat)
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if stat_err then
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uv.fs_close(fd)
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return cb(stat_err)
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end
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uv.fs_read(
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fd,
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assert(stat).size,
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nil,
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vim.schedule_wrap(function(read_err, content)
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uv.fs_close(fd)
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if read_err then
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return cb(read_err)
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end
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assert(content)
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local trash_info = {
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info_file = info_file,
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}
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local lines = vim.split(content, "\r?\n")
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if lines[1] ~= "[Trash Info]" then
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return cb("File missing [Trash Info] header")
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end
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local trash_base = vim.fn.fnamemodify(info_file, ":h:h")
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for _, line in ipairs(lines) do
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local key, value = unpack(vim.split(line, "=", { plain = true, trimempty = true }))
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if key == "Path" and not trash_info.original_path then
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if not vim.startswith(value, "/") then
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value = fs.join(trash_base, value)
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end
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trash_info.original_path = value
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elseif key == "DeletionDate" and not trash_info.deletion_date then
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trash_info.deletion_date = vim.fn.strptime("%Y-%m-%dT%H:%M:%S", value)
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end
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end
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if not trash_info.original_path or not trash_info.deletion_date then
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return cb("File missing required fields")
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end
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local basename = vim.fn.fnamemodify(info_file, ":t:r")
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trash_info.trash_file = fs.join(trash_base, "files", basename)
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uv.fs_stat(trash_info.trash_file, function(trash_stat_err, trash_stat)
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if trash_stat_err then
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cb(".trashinfo file points to non-existant file")
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else
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trash_info.stat = trash_stat
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cb(nil, trash_info)
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end
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end)
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end)
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)
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end)
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end)
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end
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---@param url string
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---@param column_defs string[]
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---@param cb fun(err?: string, entries?: oil.InternalEntry[], fetch_more?: fun())
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M.list = function(url, column_defs, cb)
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cb = vim.schedule_wrap(cb)
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local _, path = util.parse_url(url)
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assert(path)
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local trash_dirs = get_read_trash_dirs(path)
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local trash_idx = 0
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local read_next_trash_dir
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read_next_trash_dir = function()
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trash_idx = trash_idx + 1
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local trash_dir = trash_dirs[trash_idx]
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if not trash_dir then
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return cb()
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end
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-- Show all files from the trash directory if we are in the root of the device, which we can
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-- tell if the trash dir is a subpath of our current path
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local show_all_files = fs.is_subpath(path, trash_dir)
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-- The first trash dir is a special case; it is in the home directory and we should only show
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-- all entries if we are in the top root path "/"
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if trash_idx == 1 then
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show_all_files = path == "/"
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end
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local info_dir = fs.join(trash_dir, "info")
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---@diagnostic disable-next-line: param-type-mismatch
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uv.fs_opendir(info_dir, function(open_err, fd)
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if open_err then
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if open_err:match("^ENOENT: no such file or directory") then
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-- If the directory doesn't exist, treat the list as a success. We will be able to traverse
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-- and edit a not-yet-existing directory.
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return read_next_trash_dir()
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else
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return cb(open_err)
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end
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end
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local read_next
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read_next = function()
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uv.fs_readdir(fd, function(err, entries)
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if err then
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uv.fs_closedir(fd, function()
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cb(err)
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end)
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return
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elseif entries then
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local internal_entries = {}
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local poll = util.cb_collect(#entries, function(inner_err)
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if inner_err then
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cb(inner_err)
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else
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cb(nil, internal_entries, read_next)
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end
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end)
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for _, entry in ipairs(entries) do
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read_trash_info(
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fs.join(info_dir, entry.name),
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vim.schedule_wrap(function(read_err, info)
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if read_err then
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-- Discard the error. We don't care if there's something wrong with one of these
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-- files.
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poll()
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else
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local parent = util.addslash(vim.fn.fnamemodify(info.original_path, ":h"))
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if path == parent or show_all_files then
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local name = vim.fn.fnamemodify(info.trash_file, ":t")
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---@diagnostic disable-next-line: undefined-field
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local cache_entry = cache.create_entry(url, name, info.stat.type)
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local display_name = vim.fn.fnamemodify(info.original_path, ":t")
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cache_entry[FIELD_META] = {
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stat = info.stat,
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trash_info = info,
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display_name = display_name,
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}
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table.insert(internal_entries, cache_entry)
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end
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if path ~= parent and (show_all_files or fs.is_subpath(path, parent)) then
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local name = parent:sub(path:len() + 1)
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local next_par = vim.fs.dirname(name)
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while next_par ~= "." do
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name = next_par
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next_par = vim.fs.dirname(name)
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end
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---@diagnostic disable-next-line: undefined-field
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local cache_entry = cache.create_entry(url, name, "directory")
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cache_entry[FIELD_META] = {
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stat = info.stat,
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}
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table.insert(internal_entries, cache_entry)
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end
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poll()
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end
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end)
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)
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end
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else
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uv.fs_closedir(fd, function(close_err)
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if close_err then
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cb(close_err)
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else
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vim.schedule(read_next_trash_dir)
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end
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end)
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end
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end)
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end
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read_next()
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---@diagnostic disable-next-line: param-type-mismatch
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end, 10000)
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end
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read_next_trash_dir()
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end
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---@param bufnr integer
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---@return boolean
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M.is_modifiable = function(bufnr)
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return true
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end
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local file_columns = {}
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local current_year
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-- Make sure we run this import-time effect in the main loop (mostly for tests)
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vim.schedule(function()
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current_year = vim.fn.strftime("%Y")
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end)
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file_columns.mtime = {
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render = function(entry, conf)
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local meta = entry[FIELD_META]
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---@type oil.TrashInfo
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local trash_info = meta.trash_info
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local time = trash_info and trash_info.deletion_date or meta.stat and meta.stat.mtime.sec
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if not time then
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return nil
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end
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local fmt = conf and conf.format
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local ret
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if fmt then
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ret = vim.fn.strftime(fmt, time)
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else
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local year = vim.fn.strftime("%Y", time)
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if year ~= current_year then
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ret = vim.fn.strftime("%b %d %Y", time)
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else
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ret = vim.fn.strftime("%b %d %H:%M", time)
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end
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end
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return ret
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end,
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get_sort_value = function(entry)
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local meta = entry[FIELD_META]
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---@type nil|oil.TrashInfo
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local trash_info = meta.trash_info
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if trash_info then
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return trash_info.deletion_date
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else
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return 0
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end
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end,
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parse = function(line, conf)
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local fmt = conf and conf.format
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local pattern
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if fmt then
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pattern = fmt:gsub("%%.", "%%S+")
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else
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pattern = "%S+%s+%d+%s+%d%d:?%d%d"
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end
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return line:match("^(" .. pattern .. ")%s+(.+)$")
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end,
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}
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---@param name string
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---@return nil|oil.ColumnDefinition
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M.get_column = function(name)
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return file_columns[name]
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end
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M.supported_cross_adapter_actions = { files = "move" }
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---@param action oil.Action
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---@return boolean
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M.filter_action = function(action)
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if action.type == "create" then
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return false
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elseif action.type == "delete" then
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local entry = assert(cache.get_entry_by_url(action.url))
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local meta = entry[FIELD_META]
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return meta.trash_info ~= nil
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elseif action.type == "move" then
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local src_adapter = assert(config.get_adapter_by_scheme(action.src_url))
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local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
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return src_adapter.name == "files" or dest_adapter.name == "files"
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elseif action.type == "copy" then
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local src_adapter = assert(config.get_adapter_by_scheme(action.src_url))
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local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
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return src_adapter.name == "files" or dest_adapter.name == "files"
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else
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error(string.format("Bad action type '%s'", action.type))
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end
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end
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---@param err oil.ParseError
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---@return boolean
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M.filter_error = function(err)
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if err.message == "Duplicate filename" then
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return false
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end
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return true
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end
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|
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---@param action oil.Action
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---@return string
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M.render_action = function(action)
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if action.type == "delete" then
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local entry = assert(cache.get_entry_by_url(action.url))
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local meta = entry[FIELD_META]
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---@type oil.TrashInfo
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local trash_info = meta.trash_info
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local short_path = fs.shorten_path(trash_info.original_path)
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return string.format(" PURGE %s", short_path)
|
||||
elseif action.type == "move" then
|
||||
local src_adapter = assert(config.get_adapter_by_scheme(action.src_url))
|
||||
local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
|
||||
if src_adapter.name == "files" then
|
||||
local _, path = util.parse_url(action.src_url)
|
||||
assert(path)
|
||||
local short_path = files.to_short_os_path(path, action.entry_type)
|
||||
return string.format(" TRASH %s", short_path)
|
||||
elseif dest_adapter.name == "files" then
|
||||
local _, path = util.parse_url(action.dest_url)
|
||||
assert(path)
|
||||
local short_path = files.to_short_os_path(path, action.entry_type)
|
||||
return string.format("RESTORE %s", short_path)
|
||||
else
|
||||
error("Must be moving files into or out of trash")
|
||||
end
|
||||
elseif action.type == "copy" then
|
||||
local src_adapter = assert(config.get_adapter_by_scheme(action.src_url))
|
||||
local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
|
||||
if src_adapter.name == "files" then
|
||||
local _, path = util.parse_url(action.src_url)
|
||||
assert(path)
|
||||
local short_path = files.to_short_os_path(path, action.entry_type)
|
||||
return string.format(" COPY %s -> TRASH", short_path)
|
||||
elseif dest_adapter.name == "files" then
|
||||
local _, path = util.parse_url(action.dest_url)
|
||||
assert(path)
|
||||
local short_path = files.to_short_os_path(path, action.entry_type)
|
||||
return string.format("RESTORE %s", short_path)
|
||||
else
|
||||
error("Must be copying files into or out of trash")
|
||||
end
|
||||
else
|
||||
error(string.format("Bad action type '%s'", action.type))
|
||||
end
|
||||
end
|
||||
|
||||
---@param trash_info oil.TrashInfo
|
||||
---@param cb fun(err?: string)
|
||||
local function purge(trash_info, cb)
|
||||
fs.recursive_delete("file", trash_info.info_file, function(err)
|
||||
if err then
|
||||
return cb(err)
|
||||
end
|
||||
---@diagnostic disable-next-line: undefined-field
|
||||
fs.recursive_delete(trash_info.stat.type, trash_info.trash_file, cb)
|
||||
end)
|
||||
end
|
||||
|
||||
---@param path string
|
||||
---@param info_path string
|
||||
---@param cb fun(err?: string)
|
||||
local function write_info_file(path, info_path, cb)
|
||||
uv.fs_open(
|
||||
info_path,
|
||||
"w",
|
||||
448,
|
||||
vim.schedule_wrap(function(err, fd)
|
||||
if err then
|
||||
return cb(err)
|
||||
end
|
||||
assert(fd)
|
||||
local deletion_date = vim.fn.strftime("%Y-%m-%dT%H:%M:%S")
|
||||
local contents = string.format("[Trash Info]\nPath=%s\nDeletionDate=%s", path, deletion_date)
|
||||
uv.fs_write(fd, contents, function(write_err)
|
||||
uv.fs_close(fd, function(close_err)
|
||||
cb(write_err or close_err)
|
||||
end)
|
||||
end)
|
||||
end)
|
||||
)
|
||||
end
|
||||
|
||||
---@param path string
|
||||
---@param cb fun(err?: string, trash_info?: oil.TrashInfo)
|
||||
local function create_trash_info(path, cb)
|
||||
local trash_dir = get_write_trash_dir(path)
|
||||
local basename = vim.fs.basename(path)
|
||||
local now = os.time()
|
||||
local name = string.format("%s-%d.%d", basename, now, math.random(100000, 999999))
|
||||
local dest_path = fs.join(trash_dir, "files", name)
|
||||
local dest_info = fs.join(trash_dir, "info", name .. ".trashinfo")
|
||||
uv.fs_stat(path, function(err, stat)
|
||||
if err then
|
||||
return cb(err)
|
||||
end
|
||||
assert(stat)
|
||||
write_info_file(path, dest_info, function(info_err)
|
||||
if info_err then
|
||||
return cb(info_err)
|
||||
end
|
||||
---@type oil.TrashInfo
|
||||
local trash_info = {
|
||||
original_path = path,
|
||||
trash_file = dest_path,
|
||||
info_file = dest_info,
|
||||
deletion_date = now,
|
||||
stat = stat,
|
||||
}
|
||||
cb(nil, trash_info)
|
||||
end)
|
||||
end)
|
||||
end
|
||||
|
||||
---@param action oil.Action
|
||||
---@param cb fun(err: nil|string)
|
||||
M.perform_action = function(action, cb)
|
||||
if action.type == "delete" then
|
||||
local entry = assert(cache.get_entry_by_url(action.url))
|
||||
local meta = entry[FIELD_META]
|
||||
---@type oil.TrashInfo
|
||||
local trash_info = meta.trash_info
|
||||
purge(trash_info, cb)
|
||||
elseif action.type == "move" then
|
||||
local src_adapter = assert(config.get_adapter_by_scheme(action.src_url))
|
||||
local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
|
||||
if src_adapter.name == "files" then
|
||||
local _, path = util.parse_url(action.src_url)
|
||||
M.delete_to_trash(assert(path), cb)
|
||||
elseif dest_adapter.name == "files" then
|
||||
-- Restore
|
||||
local _, dest_path = util.parse_url(action.dest_url)
|
||||
assert(dest_path)
|
||||
local entry = assert(cache.get_entry_by_url(action.src_url))
|
||||
local meta = entry[FIELD_META]
|
||||
---@type oil.TrashInfo
|
||||
local trash_info = meta.trash_info
|
||||
fs.recursive_move(action.entry_type, trash_info.trash_file, dest_path, function(err)
|
||||
if err then
|
||||
return cb(err)
|
||||
end
|
||||
uv.fs_unlink(trash_info.info_file, cb)
|
||||
end)
|
||||
else
|
||||
error("Must be moving files into or out of trash")
|
||||
end
|
||||
elseif action.type == "copy" then
|
||||
local src_adapter = assert(config.get_adapter_by_scheme(action.src_url))
|
||||
local dest_adapter = assert(config.get_adapter_by_scheme(action.dest_url))
|
||||
if src_adapter.name == "files" then
|
||||
local _, path = util.parse_url(action.src_url)
|
||||
assert(path)
|
||||
create_trash_info(path, function(err, trash_info)
|
||||
if err then
|
||||
cb(err)
|
||||
else
|
||||
---@diagnostic disable-next-line: undefined-field
|
||||
local stat_type = trash_info.stat.type
|
||||
fs.recursive_copy(stat_type, path, trash_info.trash_file, vim.schedule_wrap(cb))
|
||||
end
|
||||
end)
|
||||
elseif dest_adapter.name == "files" then
|
||||
-- Restore
|
||||
local _, dest_path = util.parse_url(action.dest_url)
|
||||
assert(dest_path)
|
||||
local entry = assert(cache.get_entry_by_url(action.src_url))
|
||||
local meta = entry[FIELD_META]
|
||||
---@type oil.TrashInfo
|
||||
local trash_info = meta.trash_info
|
||||
fs.recursive_copy(action.entry_type, trash_info.trash_file, dest_path, cb)
|
||||
else
|
||||
error("Must be moving files into or out of trash")
|
||||
end
|
||||
else
|
||||
cb(string.format("Bad action type: %s", action.type))
|
||||
end
|
||||
end
|
||||
|
||||
---@param path string
|
||||
---@param cb fun(err?: string)
|
||||
M.delete_to_trash = function(path, cb)
|
||||
create_trash_info(path, function(err, trash_info)
|
||||
if err then
|
||||
cb(err)
|
||||
else
|
||||
---@diagnostic disable-next-line: undefined-field
|
||||
local stat_type = trash_info.stat.type
|
||||
fs.recursive_move(stat_type, path, trash_info.trash_file, vim.schedule_wrap(cb))
|
||||
end
|
||||
end)
|
||||
end
|
||||
|
||||
return M
|
||||
Loading…
Add table
Add a link
Reference in a new issue