Packages
credo
0.8.0-rc1
1.7.19
1.7.18
1.7.17
1.7.16
1.7.15
1.7.14
1.7.13
1.7.12
1.7.11
1.7.10
1.7.9
1.7.8
1.7.7
1.7.7-rc.0
1.7.6
1.7.5
1.7.4
1.7.3
1.7.2
1.7.2-rc.4
1.7.2-rc.3
1.7.2-rc.2
1.7.2-rc.1
1.7.2-rc.0
1.7.1
1.7.0
1.7.0-rc.2
1.7.0-rc.1
1.6.7
1.6.6
1.6.5
1.6.4
1.6.3
1.6.2
1.6.1
1.6.0
1.6.0-rc.1
1.6.0-rc.0
1.5.6
1.5.5
1.5.4
1.5.3
1.5.2
1.5.1
1.5.0
1.5.0-rc.5
1.5.0-rc.4
1.5.0-rc.3
1.5.0-rc.2
1.5.0-rc.1
1.4.1
1.4.0
1.4.0-rc.2
1.4.0-rc.1
1.3.2
1.3.1
1.3.0
1.3.0-rc3
1.3.0-rc2
1.3.0-rc1
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc4
1.2.0-rc3
1.2.0-rc2
1.2.0-rc1
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.1.0-rc3
1.1.0-rc2
1.1.0-rc1
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
1.0.1-rc1
1.0.0
1.0.0-rc1
0.10.2
0.10.1
0.10.0
0.9.3
0.9.2
0.9.1
0.9.0
0.9.0-rc8
0.9.0-rc7
0.9.0-rc6
0.9.0-rc5
0.9.0-rc4
0.9.0-rc3
0.9.0-rc2
0.9.0-rc1
0.8.10
0.8.9
0.8.8
0.8.7
0.8.6
0.8.5
0.8.4
0.8.3
0.8.2
0.8.1
0.8.0
0.8.0-rc7
0.8.0-rc6
0.8.0-rc5
0.8.0-rc4
0.8.0-rc3
0.8.0-rc2
0.8.0-rc1
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.1
0.6.0
0.6.0-rc2
0.6.0-rc1
0.5.3
0.5.2
0.5.1
0.5.0
0.4.14
0.4.13
0.4.12
0.4.11
0.4.10
0.4.10-dev
0.4.9
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-beta5
0.4.0-beta4
0.4.0-beta3
0.4.0-beta2
0.4.0-beta1
0.3.13
0.3.12
0.3.11
0.3.10
0.3.9
0.3.8
0.3.7
0.3.6
0.3.5
0.3.4
0.3.3
0.3.2
0.3.1
0.3.0
0.3.0-dev2
0.3.0-dev
0.2.6
0.2.5
0.2.4
0.2.3
0.2.2
0.2.1
0.2.0
0.1.10
0.1.9
0.1.8
0.1.7
0.1.6
0.1.5
0.1.4
0.1.3
0.1.2
0.1.1
0.1.0
0.0.1-dev
A static code analysis tool with a focus on code consistency and teaching.
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Files
lib/credo/check_for_updates.ex
defmodule Credo.CheckForUpdates do
alias Credo.CLI.Output.UI
alias Credo.Execution
@doc false
def run(%Execution{check_for_updates: true} = exec) do
run()
exec
end
def run(%Execution{check_for_updates: false} = exec) do
exec
end
def run() do
"credo"
|> fetch_all_hex_versions()
|> do_run()
end
defp do_run(nil), do: nil
defp do_run(all_versions) do
current = Credo.version
if should_update?(all_versions, current) do
latest = latest_version(all_versions, current)
warning =
[
:orange, :bright, "A new Credo version is available (#{latest})",
:reset, :orange, ", please update with `mix deps.update credo`"
]
UI.warn(warning)
end
end
def should_update?(all_versions, current) do
latest = latest_version(all_versions, current)
Version.compare(current, latest) == :lt
end
defp latest_version(all_versions, default) do
including_pre_versions? = pre_version?(default)
latest = highest_version(all_versions, including_pre_versions?)
latest || default
end
defp highest_version(versions, including_pre_versions?) do
included_versions =
if including_pre_versions? do
versions
else
Enum.reject(versions, &pre_version?/1)
end
List.last(included_versions)
end
defp pre_version?(version) do
{:ok, version} = Version.parse(version)
version.pre != []
end
defp fetch_all_hex_versions(package_name) do
case fetch("https://hex.pm/api/packages/#{package_name}") do
nil ->
nil
package_info ->
hex_versions(package_info)
end
end
defp fetch(url) do
:inets.start()
:ssl.start()
response = :httpc.request(:get, {String.to_char_list(url),
[{'User-Agent', user_agent()},
{'Accept', 'application/vnd.hex+erlang'}]
}, [], [])
convert_response_body(response)
end
defp user_agent do
'Credo/#{Credo.version} (Elixir/#{System.version}) (OTP/#{otp_release()})'
end
defp otp_release do
:erlang.list_to_binary :erlang.system_info(:otp_release)
end
defp convert_response_body({:ok, {_status, _headers, body}}) do
body
|> IO.iodata_to_binary()
|> :erlang.binary_to_term()
end
defp convert_response_body(_), do: nil
defp hex_versions(nil), do: nil
defp hex_versions(%{"releases" => releases}) do
Enum.map(releases, &(&1["version"]))
end
end