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nerves_bootstrap
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0.6.3
Nerves mix integration bootstrap and new project generator
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lib/nerves_bootstrap.ex
defmodule Nerves.Bootstrap do
@version Mix.Project.config()[:version]
@doc """
Returns the version of nerves_bootstrap
"""
def version, do: @version
@doc """
Check the nerves_bootstrap updates from hex
"""
def check_for_update() do
try do
Hex.start()
{:ok, {200, resp, _}} = Hex.API.Package.get("hexpm", "nerves_bootstrap")
latest_rel =
resp
|> Map.get("releases")
|> List.first
latest_vsn =
Map.get(latest_rel, "version")
|> Version.parse!
current_vsn =
Nerves.Bootstrap.version()
|> Version.parse!
if Version.compare(current_vsn, latest_vsn) == :lt do
Mix.shell.info([
IO.ANSI.yellow,
"A new version of Nerves bootstrap is available(#{current_vsn} < #{latest_vsn}), " <>
"please update with `mix local.nerves`",
IO.ANSI.reset
])
end
rescue
_e -> :noop
end
end
@doc """
Add the required Nerves bootstrap aliases to the existing ones
"""
def add_aliases(aliases) do
aliases
|> append("deps.get", "nerves.deps.get")
|> prepend("deps.loadpaths", "nerves.loadpaths")
end
defp append(aliases, a, na) do
key = String.to_atom(a)
Keyword.update(aliases, key, [a, na], &(drop(&1, na) ++ [na]))
end
defp prepend(aliases, a, na) do
key = String.to_atom(a)
Keyword.update(aliases, key, [na, a], &([na | drop(&1, na)]))
end
defp drop(aliases, a) do
Enum.reject(aliases, &(&1 === a))
end
end