defmodule Mix.Tasks.Pandoc do
use Mix.Task
@ext ".md"
@impl true
def run(args) do
switches = [runtime_config: :boolean]
{opts, remaining_args} = OptionParser.parse_head!(args, switches: switches)
if opts[:runtime_config] do
Mix.Task.run("app.config")
else
Mix.Task.run("loadpaths")
Application.ensure_all_started(:pandoc)
end
Mix.Task.reenable("pandoc")
install_and_run(remaining_args)
end
defp install_and_run([profile | _args] = all) do
IO.puts("Converting markdown...")
profile = String.to_atom(profile)
config = Application.get_env(:pandoc, profile)
args = config[:args] || []
opts = [cd: config[:cd] || File.cwd!()]
out_path = List.last(args)
full_out_path = [opts[:cd], out_path] |> Path.join() |> Path.expand()
File.rm_rf!(full_out_path)
File.mkdir_p!(full_out_path)
opts[:cd]
|> Path.join("*#{@ext}")
|> Path.wildcard()
|> Enum.each(fn path ->
case Pandoc.run(profile, Path.basename(path)) do
0 -> :ok
status -> Mix.raise("`mix pandoc #{Enum.join(all, " ")}` exited with #{status}")
end
end)
end
defp install_and_run([]) do
Mix.raise("`mix pandoc` expects the profile as argument")
end
end