From 676fe5e01b9a41fa14aaa48d87685677664104b1 Mon Sep 17 00:00:00 2001
From: happysalada <raphael@megzari.com>
Date: Sun, 27 Aug 2023 19:27:40 +0800
Subject: [PATCH] lemmy: fix ui commit_hash path

---
 nixos/modules/services/web-apps/lemmy.nix | 2 +-
 pkgs/servers/web-apps/lemmy/ui.nix        | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/web-apps/lemmy.nix b/nixos/modules/services/web-apps/lemmy.nix
index 895f3a9f1b4..20d9dcb7c26 100644
--- a/nixos/modules/services/web-apps/lemmy.nix
+++ b/nixos/modules/services/web-apps/lemmy.nix
@@ -160,7 +160,7 @@ in
               root * ${cfg.ui.package}/dist
               file_server
             }
-            handle_path /static/undefined/* {
+            handle_path /static/${cfg.ui.package.passthru.commit_sha}/* {
               root * ${cfg.ui.package}/dist
               file_server
             }
diff --git a/pkgs/servers/web-apps/lemmy/ui.nix b/pkgs/servers/web-apps/lemmy/ui.nix
index cd7b1110273..d578fde8e56 100644
--- a/pkgs/servers/web-apps/lemmy/ui.nix
+++ b/pkgs/servers/web-apps/lemmy/ui.nix
@@ -55,6 +55,13 @@ mkYarnPackage {
     hash = pinData.uiYarnDepsHash;
   };
 
+  patchPhase = ''
+    substituteInPlace ./package.json \
+      --replace '$(git rev-parse --short HEAD)' "${src.rev}" \
+      --replace 'yarn clean' 'yarn --offline clean' \
+      --replace 'yarn run rimraf dist' 'yarn --offline run rimraf dist'
+  '';
+
   yarnPreBuild = ''
     export npm_config_nodedir=${nodejs}
   '';
@@ -79,6 +86,7 @@ mkYarnPackage {
 
   passthru.updateScript = ./update.py;
   passthru.tests.lemmy-ui = nixosTests.lemmy;
+  passthru.commit_sha = src.rev;
 
   meta = with lib; {
     description = "Building a federated alternative to reddit in rust";