From 645da1ae0208763fb8893ad954cf4461cbc98aa7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phan=20Kochen?= <git@stephank.nl>
Date: Tue, 4 Jan 2022 15:20:16 +0100
Subject: [PATCH] Account for mismatch in 'fetch-one' filename

---
 src/tmpl/yarn-project.nix.in | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tmpl/yarn-project.nix.in b/src/tmpl/yarn-project.nix.in
index 8fb795b..9841c85 100644
--- a/src/tmpl/yarn-project.nix.in
+++ b/src/tmpl/yarn-project.nix.in
@@ -37,7 +37,8 @@ let
       cd "$src"
       HOME="$TMP" yarn_cache_folder="$TMP" CI=1 \
         node '${yarnPath}' nixify fetch-one $locator
-      mv "$TMP/$outputFilename" $out
+      # Because we change the cache dir, Yarn may generate a different name.
+      mv "$TMP/$(sed 's/-[^-]*\.[^-]*$//' <<< "$outputFilename")"-* $out
     '';
   in lib.mapAttrs (locator: { filename, sha512 }: stdenv.mkDerivation {
     inherit src builder locator;