Add task to check sqlean extensions version

lib/mix/tasks/sqlean/check_version.ex

@@ -0,0 +1,31 @@
+defmodule Mix.Tasks.Sqlean.CheckVersion do
+  @shortdoc "Checks the the current Sqlean extensions version is the latest"
+  @moduledoc """
+  Checks the the current Sqlean extensions version is the latest.
+
+  Exits with 0 if versions match, 1 if the extensions needs to be updated.
+  """
+
+  use Mix.Task
+
+  alias Mix.Tasks.Sqlean.Release
+
+  @impl Mix.Task
+  def run(_args) do
+    current_version =
+      Release.fetch_current_version()
+
+    latest_version =
+      Release.fetch_latest_version!()
+
+    if current_version === latest_version do
+      Mix.Shell.IO.info("The sqlean extensions version is up to date (#{current_version})")
+    else
+      Mix.Shell.IO.info(
+        "A new sqlean extensions version is available: #{current_version} ==> #{latest_version}"
+      )
+
+      System.halt(1)
+    end
+  end
+end

lib/mix/tasks/sqlean/release.ex

@@ -0,0 +1,36 @@
+defmodule Mix.Tasks.Sqlean.Release do
+  @latest_version_url "https://raw.githubusercontent.com/nalgeon/sqlean/refs/heads/main/sqlpkg.json"
+
+  def fetch_latest_version! do
+    Application.ensure_all_started(:req)
+
+    @latest_version_url
+    |> Req.get!()
+    |> Map.get(:body)
+    |> JSON.decode!()
+    |> Map.get("version")
+  end
+
+  def fetch_current_version do
+    Application.app_dir(:music_library, [
+      "priv",
+      "sqlite_extensions",
+      "VERSION"
+    ])
+    |> File.read!()
+    |> String.trim()
+  end
+
+  def update_config_file!(config_file, current_version, latest_version) do
+    config_contents = File.read!(config_file)
+
+    new_config_contents =
+      String.replace(
+        config_contents,
+        ~s(version: "#{current_version}"),
+        "version: \"#{latest_version}\""
+      )
+
+    File.write!(config_file, new_config_contents)
+  end
+end

priv/sqlite_extensions/VERSION

@@ -0,0 +1 @@
+0.28.0