54 lines
1.2 KiB
Elixir
54 lines
1.2 KiB
Elixir
defmodule Mash.Helpers do
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@moduledoc """
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Helpers that provide a simple way to write Mash configs.
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"""
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def mix(task, args \\ []) do
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preferred_mix_env = Mix.Task.preferred_cli_env(task) || Mix.env()
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fn io_pid ->
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cmd("mix", [task | args], io_pid, [{"MIX_ENV", Atom.to_string(preferred_mix_env)}])
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end
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end
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def shell(command, args \\ []) do
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fn io_pid ->
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cmd(command, args, io_pid)
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end
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end
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def fun(fun) do
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fn io_pid ->
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Process.group_leader(self(), io_pid)
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try do
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case fun.() do
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:ok ->
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{[], 0}
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{:ok, _any} ->
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{[], 0}
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other ->
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IO.puts(IO.ANSI.red() <> "** (fun) failed: #{inspect(other)}" <> IO.ANSI.reset())
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{[], 1}
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end
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rescue
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e ->
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IO.puts(IO.ANSI.red() <> "** (fun) failed: #{Exception.message(e)}" <> IO.ANSI.reset())
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{[], 1}
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end
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end
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end
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defp cmd(command, args, io_pid, env \\ []) do
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exec_string = "-c #{command} #{Enum.join(args, " ")}"
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System.cmd("script", ["-eqf", exec_string, "/dev/null"],
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into: IO.stream(io_pid, :line),
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env: env,
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parallelism: true,
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stderr_to_stdout: true
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)
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end
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end
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