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nerves_bootstrap lib mix nerves io.ex
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lib/mix/nerves/io.ex

defmodule Mix.Nerves.IO do
@app Mix.Project.config()[:app]
@moduledoc false
def debug_info(header, text \\ "", loc \\ @app) do
if System.get_env("NERVES_DEBUG") == "1" do
shell_info(header, text, loc)
end
:ok
end
def shell_info(header, text \\ "", loc \\ @app) do
Mix.shell().info([:inverse, "|#{loc}| #{header}", :reset])
Mix.shell().info(text)
end
def shell_warn(header, text \\ "", loc \\ @app) do
Mix.shell().error([:inverse, :red, "|#{loc}| #{header}", :reset])
Mix.shell().error(text)
end
def nerves_env_info() do
Mix.shell().info([
:green,
"""
Nerves environment
MIX_TARGET: #{System.get_env("MIX_TARGET") || "unset"}
MIX_ENV: #{Mix.env()}
""",
:reset
])
end
end