From 09fc18233b51596b2cdb584007d080dd654ba4dc Mon Sep 17 00:00:00 2001
From: Malte Brandy <malte.brandy@maralorn.de>
Date: Mon, 7 Dec 2020 03:41:46 +0100
Subject: [PATCH] Escape channel name

---
 overlays/writeHaskellScript.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/overlays/writeHaskellScript.nix b/overlays/writeHaskellScript.nix
index 6b772820..e75d1d9d 100644
--- a/overlays/writeHaskellScript.nix
+++ b/overlays/writeHaskellScript.nix
@@ -45,7 +45,7 @@ self: super: {
 
       getNivPath :: Text -> Text -> IO Text
       getNivPath sources channel = do
-        let expression = [i|(import #{sources}/nix/sources.nix).#{channel}|] :: String
+        let expression = [i|(import #{sources}/nix/sources.nix)."#{channel}"|] :: String
         nix_build ["-Q", "-E", expression, "--no-out-link"] &> devNull
         escaped <- nix_instantiate ["--eval" :: String, "-E", [i|toString #{expression}|]] |> captureTrim
         pure . Text.dropAround ('"' ==) . decodeUtf8 . trim $ escaped