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refactor nested stream calls #156

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refactor nested stream calls #156

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47 changes: 24 additions & 23 deletions lib/bob/job/docker_checker.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -52,29 +52,30 @@ defmodule Bob.Job.DockerChecker do
def expected_erlang_tags() do
refs = erlang_refs()

Stream.flat_map(@builds, fn {os, os_versions} ->
Stream.flat_map(refs, fn ref ->
if build_erlang_ref?(os, ref) do
Stream.flat_map(os_versions, fn os_version ->
if build_erlang_ref?(os, os_version, ref) do
Stream.flat_map(@archs, fn arch ->
if build_erlang_ref?(arch, os, os_version, ref) do
"OTP-" <> erlang = ref
key = {erlang, os, os_diff(os, os_version), arch}
value = {erlang, os, os_version, arch}
[{key, value}]
else
[]
end
end)
else
[]
end
end)
else
[]
end
end)
@builds
|> Stream.flat_map(fn {os, os_versions} ->
Stream.map(os_versions, fn os_version -> {os, os_version} end)
end)
|> Stream.flat_map(fn {os, os_version} ->
Stream.map(refs, fn ref -> {os, os_version, ref} end)
end)
|> Stream.filter(fn {os, _os_version, ref} ->
build_erlang_ref?(os, ref)
end)
|> Stream.filter(fn {os, os_version, ref} ->
build_erlang_ref?(os, os_version, ref)
end)
|> Stream.flat_map(fn {os, os_version, ref} ->
Stream.map(@archs, fn arch -> {os, os_version, ref, arch} end)
end)
|> Stream.filter(fn {os, os_version, ref, arch} ->
build_erlang_ref?(arch, os, os_version, ref)
end)
|> Stream.map(fn {os, os_version, ref, arch} ->
"OTP-" <> erlang = ref
key = {erlang, os, os_diff(os, os_version), arch}
value = {erlang, os, os_version, arch}
{key, value}
end)
end

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