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log_reset
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0.1.0
Resets configured log files.
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lib/log/reset.ex
defmodule Log.Reset do
@moduledoc """
Creates and clears configured log files.
"""
@doc """
Creates and clears a log file.
"""
@spec clear_log(Path.t() | nil) :: :ok
def clear_log(nil), do: :ok
def clear_log(log_path) do
log_path = Path.expand(log_path)
dir_path = Path.dirname(log_path)
create_dir(dir_path)
case File.write(log_path, "") do
:ok -> :ok
{:error, reason} -> error(reason, "Couldn't clear log file", log_path)
end
end
@doc """
Lists all configured log paths.
"""
@spec log_paths :: [Path.t()]
def log_paths do
Application.get_all_env(:logger)
|> Enum.filter(fn {_key, value} -> Keyword.keyword?(value) end)
|> Enum.map(fn {_key, value} -> value[:path] end)
|> Enum.reject(&is_nil/1)
end
## Private functions
@spec create_dir(Path.t()) :: :ok
defp create_dir(dir_path) do
case File.mkdir_p(dir_path) do
:ok -> :ok
{:error, reason} -> error(reason, "Couldn't create directory", dir_path)
end
end
@spec error(File.posix(), String.t(), Path.t()) :: :ok
defp error(reason, msg, path) do
import IO.ANSI, only: [format: 1]
import IO, only: [puts: 1]
[:light_red_background, :light_white, "#{msg}:"] |> format() |> puts()
[:light_yellow, "#{inspect(path)}"] |> format() |> puts()
[:light_yellow, "=> #{:file.format_error(reason)}"] |> format() |> puts()
end
end