Barrett Ruth
e6b42168c9
Problem: the codebase still used the upstream \`oil\` naming everywhere — URL schemes, the \`:Oil\` command, highlight groups, user events, module paths, filetypes, buffer/window variables, LuaCATS type annotations, vimdoc help tags, syntax groups, and internal identifiers. Solution: mechanical rename of every reference. URL schemes now use \`canola://\` (plus \`canola-ssh://\`, \`canola-s3://\`, \`canola-sss://\`, \`canola-trash://\`, \`canola-test://\`). The \`:Canola\` command replaces \`:Oil\`. All highlight groups, user events, augroups, namespaces, filetypes, require paths, type annotations, help tags, and identifiers follow suit. The \`upstream\` remote to \`stevearc/oil.nvim\` has been removed and the \`vim.g.oil\` deprecation shim dropped.
103 lines
2.7 KiB
Lua
103 lines
2.7 KiB
Lua
local M = {}
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---@param exe_modifier false|string
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---@param num integer
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---@return string
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local function perm_to_str(exe_modifier, num)
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local str = (bit.band(num, 4) ~= 0 and 'r' or '-') .. (bit.band(num, 2) ~= 0 and 'w' or '-')
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if exe_modifier then
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if bit.band(num, 1) ~= 0 then
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return str .. exe_modifier
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else
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return str .. exe_modifier:upper()
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end
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else
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return str .. (bit.band(num, 1) ~= 0 and 'x' or '-')
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end
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end
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---@param mode integer
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---@return string
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M.mode_to_str = function(mode)
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local extra = bit.rshift(mode, 9)
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return perm_to_str(bit.band(extra, 4) ~= 0 and 's', bit.rshift(mode, 6))
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.. perm_to_str(bit.band(extra, 2) ~= 0 and 's', bit.rshift(mode, 3))
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.. perm_to_str(bit.band(extra, 1) ~= 0 and 't', mode)
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end
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---@param mode integer
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---@return string
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M.mode_to_octal_str = function(mode)
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local mask = 7
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return tostring(bit.band(mask, bit.rshift(mode, 9)))
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.. tostring(bit.band(mask, bit.rshift(mode, 6)))
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.. tostring(bit.band(mask, bit.rshift(mode, 3)))
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.. tostring(bit.band(mask, mode))
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end
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---@param str string String of 3 characters
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---@return nil|integer
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local function str_to_mode(str)
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local r, w, x = unpack(vim.split(str, '', {}))
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local mode = 0
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if r == 'r' then
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mode = bit.bor(mode, 4)
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elseif r ~= '-' then
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return nil
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end
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if w == 'w' then
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mode = bit.bor(mode, 2)
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elseif w ~= '-' then
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return nil
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end
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-- t means sticky and executable
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-- T means sticky, not executable
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-- s means setuid/setgid and executable
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-- S means setuid/setgid and not executable
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if x == 'x' or x == 't' or x == 's' then
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mode = bit.bor(mode, 1)
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elseif x ~= '-' and x ~= 'T' and x ~= 'S' then
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return nil
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end
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return mode
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end
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---@param perm string
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---@return integer
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local function parse_extra_bits(perm)
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perm = perm:lower()
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local mode = 0
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if perm:sub(3, 3) == 's' then
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mode = bit.bor(mode, 4)
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end
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if perm:sub(6, 6) == 's' then
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mode = bit.bor(mode, 2)
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end
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if perm:sub(9, 9) == 't' then
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mode = bit.bor(mode, 1)
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end
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return mode
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end
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---@param line string
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---@return nil|integer
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---@return nil|string
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M.parse = function(line)
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local strval, rem = line:match('^([r%-][w%-][xsS%-][r%-][w%-][xsS%-][r%-][w%-][xtT%-])%s*(.*)$')
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if not strval then
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return
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end
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local user_mode = str_to_mode(strval:sub(1, 3))
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local group_mode = str_to_mode(strval:sub(4, 6))
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local any_mode = str_to_mode(strval:sub(7, 9))
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local extra = parse_extra_bits(strval)
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if not user_mode or not group_mode or not any_mode then
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return
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end
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local mode = bit.bor(bit.lshift(user_mode, 6), bit.lshift(group_mode, 3))
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mode = bit.bor(mode, any_mode)
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mode = bit.bor(mode, bit.lshift(extra, 9))
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return mode, rem
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end
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return M
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