Packages
nerves
1.3.0
1.15.0
1.14.3
1.14.2
1.14.1
1.14.0
1.13.2
1.13.1
1.13.0
1.12.0
1.11.3
1.11.2
1.11.1
1.11.0
1.10.5
1.10.4
1.10.3
1.10.2
1.10.1
1.10.0
1.9.3
1.9.2
retired
1.9.1
1.9.0
1.8.0
1.7.17
1.7.16
1.7.15
1.7.14
retired
1.7.13
1.7.12
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
retired
1.7.1
retired
1.7.0
retired
1.6.7
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.4.5
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.3.4
1.3.3
1.3.2
1.3.1
1.3.0
1.2.1
1.2.0
1.1.1
1.1.0
1.0.1
1.0.0
1.0.0-rc.2
1.0.0-rc.1
1.0.0-rc.0
0.11.0
0.10.1
0.10.0
0.9.4
0.9.3
0.9.2
0.9.1
0.9.0
0.8.3
0.8.2
0.8.1
0.8.0
0.7.5
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.8
0.4.7
0.4.6
0.4.5
0.4.4
0.4.3
0.4.2
0.4.1
0.4.0
0.4.0-rc.0
0.3.4
0.3.3
0.3.2
0.3.1
0.3.0
0.2.0
Craft and deploy bulletproof embedded software
Current section
Files
Jump to
Current section
Files
lib/nerves/artifact/resolver.ex
defmodule Nerves.Artifact.Resolver do
@callback get(term) :: {:ok, data :: String.t()} | {:error, term}
@spec get(term, pkg :: Nerves.Package.t()) :: {:ok, file :: String.t()} | {:error, term}
def get([], _pkg) do
{:error, :no_result}
end
def get([resolver | resolvers], pkg) do
case get(resolver, pkg) do
{:ok, _} = result -> result
_ -> get(resolvers, pkg)
end
end
def get({resolver, opts}, pkg) do
apply(resolver, :get, [opts])
|> result(pkg)
end
defp result({:ok, data}, pkg) do
file = Nerves.Artifact.download_path(pkg)
File.mkdir_p(Nerves.Env.download_dir())
File.write(file, data)
case Nerves.Utils.File.validate(file) do
:ok ->
{:ok, file}
{:error, reason} ->
File.rm(file)
{:error, reason}
end
end
defp result(error, _pkg), do: error
end