54 lines
1.4 KiB
Elixir
54 lines
1.4 KiB
Elixir
defmodule Aprsme.DependencyInfo do
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@moduledoc """
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Provides information about dependencies, particularly for production builds.
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"""
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alias Aprsme.CircuitBreaker
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@doc """
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Gets the SHA1 hash of the aprs library currently being used.
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In development: reads from vendor/aprs directory
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In production: uses the hash captured at compile time
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"""
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def get_aprs_library_sha do
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# First try environment variable (production)
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case System.get_env("APRS_PARSER_HASH") do
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nil -> get_aprs_sha_from_vendor()
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"unknown" -> get_aprs_sha_from_vendor()
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hash -> hash
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end
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end
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defp get_aprs_sha_from_vendor do
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vendor_path = Path.join([File.cwd!(), "vendor", "aprs"])
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if File.dir?(vendor_path) do
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case System.cmd("git", ["rev-parse", "HEAD"], cd: vendor_path) do
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{sha, 0} -> String.slice(String.trim(sha), 0, 7)
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_ -> nil
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end
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end
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rescue
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_ -> nil
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end
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def latest_aprs_library_sha do
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case CircuitBreaker.call(
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:github_api,
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fn ->
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resp = Req.get!("https://api.github.com/repos/aprsme/aprs/commits/main")
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body = resp.body
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sha = body["sha"] || body |> Jason.decode!() |> Access.get("sha")
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String.slice(sha, 0, 7)
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end,
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10_000
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) do
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{:ok, sha} -> sha
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{:error, _} -> nil
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end
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end
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def is_latest_aprs_library? do
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get_aprs_library_sha() == latest_aprs_library_sha()
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end
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end
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