aprs.me/lib/aprsme/dependency_info.ex

71 lines
2.1 KiB
Elixir

defmodule Aprsme.DependencyInfo do
@moduledoc """
Provides information about dependencies, particularly for production builds.
"""
@aprs_hash (
mix_lock_path = Path.join([File.cwd!(), "mix.lock"])
if File.exists?(mix_lock_path) do
case File.read(mix_lock_path) do
{:ok, content} ->
case Regex.run(
~r/aprs:\s*\{:git,\s*"https:\/\/github\.com\/aprsme\/aprs",\s*\{:ref,\s*"([a-f0-9]+)"\}/,
content
) do
[_, hash] ->
String.slice(hash, 0, 7)
_ ->
case Regex.run(
~r/aprs:\s*\{:git,\s*"https:\/\/github\.com\/aprsme\/aprs",\s*"([a-f0-9]+)"\}/,
content
) do
[_, hash] -> String.slice(hash, 0, 7)
_ -> "unknown"
end
end
_ ->
"unknown"
end
else
"unknown"
end
)
@doc """
Gets the SHA1 hash of the aprs library currently being used.
In development: reads from vendor/aprs directory
In production: uses the hash captured at compile time
"""
def get_aprs_library_sha do
System.get_env("APRS_PARSER_HASH") || "unknown"
end
defp get_aprs_sha_from_vendor do
vendor_path = Path.join([File.cwd!(), "vendor", "aprs"])
if File.dir?(vendor_path) do
case System.cmd("git", ["rev-parse", "HEAD"], cd: vendor_path) do
{sha, 0} -> String.slice(String.trim(sha), 0, 7)
_ -> nil
end
end
rescue
_ -> nil
end
def latest_aprs_library_sha do
resp = Req.get!("https://api.github.com/repos/aprsme/aprs/commits/main")
body = resp.body
sha = body["sha"] || body |> Jason.decode!() |> Access.get("sha")
String.slice(sha, 0, 7)
rescue
_ -> nil
end
def is_latest_aprs_library? do
get_aprs_library_sha() == latest_aprs_library_sha()
end
end