64 lines
1.6 KiB
Elixir
64 lines
1.6 KiB
Elixir
defmodule Mix.Tasks.Pandoc do
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@moduledoc """
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Invokes pandoc with the given args.
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Usage:
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$ mix pandoc TASK_OPTIONS PROFILE PANDOC_ARGS
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Example:
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$ mix pandoc default documents/hello.md -o priv/static/posts/hello.html
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If pandoc is not installed, it is automatically downloaded. Note the
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arguments given to this task will be appended to any configured arguments.
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## Options
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* `--runtime-config` - load the runtime configuration
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before executing command
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Note flags to control this Mix task must be given before the profile:
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$ mix pandoc --runtime-config default documents/hello.md
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"""
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@shortdoc "Invokes pandoc with the profile and args"
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@compile {:no_warn_undefined, Mix}
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use Mix.Task
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@impl true
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def run(args) do
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switches = [runtime_config: :boolean]
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{opts, remaining_args} = OptionParser.parse_head!(args, switches: switches)
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if function_exported?(Mix, :ensure_application!, 1) do
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Mix.ensure_application!(:inets)
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Mix.ensure_application!(:ssl)
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end
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if opts[:runtime_config] do
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Mix.Task.run("app.config")
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else
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Mix.Task.run("loadpaths")
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Application.ensure_all_started(:pandoc)
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end
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Mix.Task.reenable("pandoc")
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install_and_run(remaining_args)
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end
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defp install_and_run([profile | args] = all) do
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case Pandoc.install_and_run(String.to_atom(profile), args) do
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0 -> :ok
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status -> Mix.raise("`mix pandoc #{Enum.join(all, " ")}` exited with #{status}")
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end
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end
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defp install_and_run([]) do
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Mix.raise("`mix pandoc` expects the profile as argument")
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end
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end
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