From 3342c13bffda2759da56236a6d9c3f343234d083 Mon Sep 17 00:00:00 2001
From: Matteo Pacini <matteo@codecraft.it>
Date: Mon, 5 Aug 2024 23:13:49 +0100
Subject: [PATCH] pcsx2-bin: updated updateScript

---
 pkgs/by-name/pc/pcsx2-bin/package.nix |  3 +-
 pkgs/by-name/pc/pcsx2-bin/update.sh   | 43 +++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 2 deletions(-)
 create mode 100755 pkgs/by-name/pc/pcsx2-bin/update.sh

diff --git a/pkgs/by-name/pc/pcsx2-bin/package.nix b/pkgs/by-name/pc/pcsx2-bin/package.nix
index db8ddcb957db..cb38ebac1c76 100644
--- a/pkgs/by-name/pc/pcsx2-bin/package.nix
+++ b/pkgs/by-name/pc/pcsx2-bin/package.nix
@@ -3,7 +3,6 @@
   stdenvNoCC,
   fetchurl,
   makeWrapper,
-  nix-update-script,
 }:
 
 stdenvNoCC.mkDerivation (finalAttrs: {
@@ -31,7 +30,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   '';
 
   passthru = {
-    updateScript = nix-update-script { };
+    updateScript = ./update.sh;
   };
 
   meta = {
diff --git a/pkgs/by-name/pc/pcsx2-bin/update.sh b/pkgs/by-name/pc/pcsx2-bin/update.sh
new file mode 100755
index 000000000000..872899694278
--- /dev/null
+++ b/pkgs/by-name/pc/pcsx2-bin/update.sh
@@ -0,0 +1,43 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p curl jq gnused
+
+set -euo pipefail
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+if [[ ! "$(basename "$ROOT")" == "pcsx2-bin" || ! -f "$ROOT/package.nix" ]]; then
+    echo "error: Not in the pcsx2-bin folder" >&2
+    exit 1
+fi
+
+PACKAGE_NIX="$ROOT/package.nix"
+
+# Grab latest (pre)release version
+PCSX2_LATEST_VER="$(curl --fail -s ${GITHUB_TOKEN:+-u ":$GITHUB_TOKEN"} "https://api.github.com/repos/PCSX2/pcsx2/releases" | jq -r '.[0].tag_name' | sed 's/^v//')"
+PCSX2_CURRENT_VER="$(grep -oP 'version = "\K[^"]+' "$PACKAGE_NIX")"
+
+if [[ "$PCSX2_LATEST_VER" == "$PCSX2_CURRENT_VER" ]]; then
+    echo "pcsx2-bin is up-to-date"
+    exit 0
+fi
+
+get_hash() {
+    # $1: URL
+    nix-hash --to-sri --type sha256 "$(nix-prefetch-url --type sha256 "$1")"
+}
+
+replace_hash_in_file() {
+    # $1: file
+    # $2: new hash
+    sed -i "s#hash = \".*\"#hash = \"$2\"#g" "$1"
+}
+
+replace_version_in_file() {
+    # $1: file
+    # $2: new version
+    sed -i "s#version = \".*\";#version = \"$2\";#g" "$1"
+}
+
+PCSX2_DARWIN_HASH="$(get_hash "https://github.com/PCSX2/pcsx2/releases/download/v${PCSX2_LATEST_VER}/pcsx2-v${PCSX2_LATEST_VER}-macos-Qt.tar.xz")"
+
+replace_hash_in_file "$PACKAGE_NIX" "$PCSX2_DARWIN_HASH"
+replace_version_in_file "$PACKAGE_NIX" "$PCSX2_LATEST_VER"