1 files changed, 36 insertions, 0 deletions
diff --git a/config/load_from_dotenv.exs b/config/load_from_dotenv.exs
new file mode 100644
index 0000000..244e2bc
--- /dev/null
+++ b/config/load_from_dotenv.exs
@@ -0,0 +1,36 @@
+def load_dotenv!() do
+  {:ok, projroot} = __DIR__ |> get_projroot
+
+  contents =
+    case projroot |> Path.join(".env") |> File.read() do
+      {:error, :enoent} ->
+        Logger.warn("skipping dotenv file: doesn't exist")
+        ""
+
+      {:ok, contents} ->
+        contents
+    end
+
+  contents
+  |> String.split("\n")
+  |> Enum.map(&String.trim/1)
+  |> Enum.filter(fn x -> x != "" end)
+  |> Enum.map(fn x ->
+    result = String.split(x, "=")
+    {Enum.at(result, 0), Enum.at(result, 1)}
+  end)
+  |> System.put_env()
+end
+
+def get_projroot(base) do
+  result =
+    with {:ok, info} <- base |> Path.join(".thulani_root") |> File.stat(),
+         :regular <- info.type,
+         do: {:ok, base}
+
+  case result do
+    {:error, :enoent} -> get_projroot(base |> Path.join("..") |> Path.expand())
+    {:ok, "/"} -> {:error, "couldn't find .thulani_root"}
+    x -> x
+  end
+end