aprs.me/lib/aprsme/dependency_info.ex

63 lines
1.7 KiB
Elixir

defmodule Aprsme.DependencyInfo do
@moduledoc """
Provides information about dependencies, particularly for production builds.
"""
@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 build time
"""
def get_aprs_library_sha do
if Application.get_env(:aprsme, :env, :dev) == :prod do
# In production, use the static hash captured at build time
get_static_parser_hash()
else
get_aprs_sha_from_vendor()
end
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
defp fetch_aprs_sha_from_github 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 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
# Get static parser hash at compile time
defp get_static_parser_hash do
case System.get_env("PARSER_GIT_HASH") do
nil -> "unknown"
"unknown" -> "unknown"
hash -> hash
end
end
end