7c26a59ac0
* fix: gracefully handle fs_stat failures * fix: make log methods safe to call in luv callbacks * fix: replace another vimscript call
126 lines
2.7 KiB
Lua
126 lines
2.7 KiB
Lua
local uv = vim.uv or vim.loop
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local levels_reverse = {}
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for k, v in pairs(vim.log.levels) do
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levels_reverse[v] = k
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end
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local Log = {}
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---@type integer
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Log.level = vim.log.levels.WARN
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---@return string
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Log.get_logfile = function()
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local fs = require("oil.fs")
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local ok, stdpath = pcall(vim.fn.stdpath, "log")
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if not ok then
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stdpath = vim.fn.stdpath("cache")
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end
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assert(type(stdpath) == "string")
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return fs.join(stdpath, "oil.log")
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end
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---@param level integer
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---@param msg string
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---@param ... any[]
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---@return string
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local function format(level, msg, ...)
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local args = vim.F.pack_len(...)
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for i = 1, args.n do
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local v = args[i]
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if type(v) == "table" then
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args[i] = vim.inspect(v)
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elseif v == nil then
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args[i] = "nil"
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end
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end
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local ok, text = pcall(string.format, msg, vim.F.unpack_len(args))
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-- TODO figure out how to get formatted time inside luv callback
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-- local timestr = vim.fn.strftime("%Y-%m-%d %H:%M:%S")
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local timestr = ""
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if ok then
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local str_level = levels_reverse[level]
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return string.format("%s[%s] %s", timestr, str_level, text)
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else
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return string.format(
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"%s[ERROR] error formatting log line: '%s' args %s",
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timestr,
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vim.inspect(msg),
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vim.inspect(args)
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)
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end
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end
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---@param line string
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local function write(line)
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-- This will be replaced during initialization
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end
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local initialized = false
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local function initialize()
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if initialized then
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return
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end
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initialized = true
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local filepath = Log.get_logfile()
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local stat = uv.fs_stat(filepath)
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if stat and stat.size > 10 * 1024 * 1024 then
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local backup = filepath .. ".1"
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uv.fs_unlink(backup)
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uv.fs_rename(filepath, backup)
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end
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local parent = vim.fs.dirname(filepath)
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require("oil.fs").mkdirp(parent)
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local logfile, openerr = io.open(filepath, "a+")
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if not logfile then
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local err_msg = string.format("Failed to open oil.nvim log file: %s", openerr)
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vim.notify(err_msg, vim.log.levels.ERROR)
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else
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write = function(line)
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logfile:write(line)
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logfile:write("\n")
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logfile:flush()
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end
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end
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end
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---Override the file handler e.g. for tests
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---@param handler fun(line: string)
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function Log.set_handler(handler)
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write = handler
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initialized = true
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end
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function Log.log(level, msg, ...)
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if Log.level <= level then
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initialize()
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local text = format(level, msg, ...)
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write(text)
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end
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end
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function Log.trace(...)
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Log.log(vim.log.levels.TRACE, ...)
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end
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function Log.debug(...)
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Log.log(vim.log.levels.DEBUG, ...)
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end
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function Log.info(...)
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Log.log(vim.log.levels.INFO, ...)
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end
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function Log.warn(...)
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Log.log(vim.log.levels.WARN, ...)
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end
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function Log.error(...)
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Log.log(vim.log.levels.ERROR, ...)
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end
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return Log
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