From 44cdc740713e9877b2b7a76c52fae9d28c2db6cb Mon Sep 17 00:00:00 2001
From: Yongun Seong <nevivurn@nevi.dev>
Date: Wed, 20 Dec 2023 22:17:14 +0900
Subject: [PATCH] kavita: add passthru.updateScript

---
 pkgs/servers/web-apps/kavita/default.nix |  5 ++++-
 pkgs/servers/web-apps/kavita/update.sh   | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100755 pkgs/servers/web-apps/kavita/update.sh

diff --git a/pkgs/servers/web-apps/kavita/default.nix b/pkgs/servers/web-apps/kavita/default.nix
index 5be58c11d4c2..cf9e80c89d3e 100644
--- a/pkgs/servers/web-apps/kavita/default.nix
+++ b/pkgs/servers/web-apps/kavita/default.nix
@@ -67,7 +67,10 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     runHook postInstall
   '';
 
-  passthru.tests = { inherit (nixosTests) kavita; };
+  passthru = {
+    tests = { inherit (nixosTests) kavita; };
+    updateScript = ./update.sh;
+  };
 
   meta = {
     description = "A fast, feature rich, cross platform reading server";
diff --git a/pkgs/servers/web-apps/kavita/update.sh b/pkgs/servers/web-apps/kavita/update.sh
new file mode 100755
index 000000000000..2ada369e91d2
--- /dev/null
+++ b/pkgs/servers/web-apps/kavita/update.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p common-updater-scripts curl jq nix-prefetch-github prefetch-npm-deps
+
+set -euo pipefail
+
+latest_version=$(curl -s https://api.github.com/repos/Kareadita/Kavita/releases/latest | jq -r '.tag_name' | tr -d v)
+
+pushd "$(mktemp -d)"
+curl -s https://raw.githubusercontent.com/Kareadita/Kavita/v${latest_version}/UI/Web/package-lock.json -o package-lock.json
+npmDepsHash=$(prefetch-npm-deps package-lock.json)
+rm -f package-lock.json
+popd
+
+update-source-version kavita "$latest_version"
+
+$(nix-build -A kavita.backend.fetch-deps --no-out-link)
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+sed -E 's#\bnpmDepsHash = ".*?"#npmDepsHash = "'"$npmDepsHash"'"#' -i default.nix
+