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defmodule Pandoc do
@moduledoc """
Documentation for `Pandoc`.
"""
def run(profile, ["--watch" | _]) do
config = Application.get_env(:pandoc, profile)
opts = [cd: config[:cd] || File.cwd!()]
dirs = [opts[:cd], Path.join(opts[:cd], "_drafts")]
ref =
__MODULE__.Supervisor
|> Supervisor.start_child(
Supervisor.child_spec({Pandoc.Watcher, [profile, dirs: dirs]},
restart: :transient,
id: __MODULE__.Watcher
)
)
|> case do
{:ok, pid} -> pid
{:error, {:already_started, pid}} -> pid
end
|> Process.monitor()
receive do
{:DOWN, ^ref, _, _, _} -> :ok
end
end
def run(profile, path) do
config = Application.get_env(:pandoc, profile)
args = config[:args] || []
opts = [
cd: config[:cd] || File.cwd!(),
into: IO.stream(:stdio, :line),
stderr_to_stdout: true
]
new_filename =
path |> Path.basename() |> String.replace_suffix(".md", ".html") |> String.slice(11..-1//1)
new_path = args |> List.last() |> Path.join(new_filename)
out_path = Path.join(opts[:cd], new_path) |> Path.expand()
if File.exists?(path) do
args = List.replace_at(args, -1, out_path)
"pandoc" |> System.cmd(args ++ [path], opts) |> elem(1)
else
File.rm(out_path)
end
end
end
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