pilipalax: add update script

pkgs/by-name/pi/pilipalax/package.nix

@@ -39,12 +39,12 @@
 }:
 flutter324.buildFlutterApplication rec {
   pname = "pilipalax";
-  version = "1.0.22-beta.12+174";
+  version = "1.0.22-beta.12";
 
   src = fetchFromGitHub {
     owner = "orz12";
     repo = "PiliPalaX";
-    tag = version;
+    tag = "${version}+174";
     hash = "sha256-Qjqyg9y5R70hODGfVClS505dJwexL0BbUm6lXSHzhJs=";
   };
 
@@ -113,6 +113,8 @@ flutter324.buildFlutterApplication rec {
     --prefix LD_LIBRARY_PATH : "$out/app/${pname}/lib"
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = {
     description = "Third-party BiliBili client developed with Flutter";
     homepage = "https://github.com/orz12/PiliPalaX";

pkgs/by-name/pi/pilipalax/update.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -I nixpkgs=./. -i bash -p curl jq yq nixVersions.latest bash coreutils common-updater-scripts
+
+set -eou pipefail
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+
+latestTag=$(curl ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} -sL https://api.github.com/repos/orz12/PiliPalaX/releases/latest | jq --raw-output .tag_name)
+latestVersion=$(echo "$latestTag" | awk -F'+' '{print $1}')
+RunNumber=$(echo "$latestTag" | grep -o '[^+]*$')
+
+currentVersion=$(nix-instantiate --eval -E "with import ./. {}; pilipalax.version or (lib.getVersion pilipalax)" | tr -d '"')
+
+if [[ "$currentVersion" == "$latestVersion" ]]; then
+    echo "package is up-to-date: $currentVersion"
+    exit 0
+fi
+
+sed -i "s/\(tag = \"\${version}+\)[0-9]\+/\1${RunNumber}/" "$ROOT/package.nix"
+
+hash=$(nix hash convert --hash-algo sha256 --to sri $(nix-prefetch-url --unpack "https://github.com/orz12/PiliPalaX/archive/refs/tags/${latestTag}.tar.gz"))
+update-source-version pilipalax $latestVersion $hash
+
+curl https://raw.githubusercontent.com/orz12/PiliPalaX/${latestTag}/pubspec.lock | yq . >$ROOT/pubspec.lock.json