From e286ed3aed97ecedde3745d9a18420dd177934f2 Mon Sep 17 00:00:00 2001
From: Deadbeef <ent3rm4n@gmail.com>
Date: Tue, 25 Jul 2023 01:18:12 +0800
Subject: [PATCH] qq: add update script

---
 .../instant-messengers/qq/default.nix         | 16 +++++-----
 .../instant-messengers/qq/sources.nix         |  8 +++++
 .../instant-messengers/qq/update.sh           | 31 +++++++++++++++++++
 3 files changed, 48 insertions(+), 7 deletions(-)
 create mode 100644 pkgs/applications/networking/instant-messengers/qq/sources.nix
 create mode 100755 pkgs/applications/networking/instant-messengers/qq/update.sh

diff --git a/pkgs/applications/networking/instant-messengers/qq/default.nix b/pkgs/applications/networking/instant-messengers/qq/default.nix
index 54a2e9e6c017..af5cf167a62c 100644
--- a/pkgs/applications/networking/instant-messengers/qq/default.nix
+++ b/pkgs/applications/networking/instant-messengers/qq/default.nix
@@ -23,23 +23,23 @@
 }:
 
 let
-  version = "3.2.1-17153";
-  _hash = "b69de82d";
+  sources = import ./sources.nix;
   srcs = {
     x86_64-linux = fetchurl {
-      url = "https://dldir1.qq.com/qqfile/qq/QQNT/${_hash}/linuxqq_${version}_amd64.deb";
-      hash = "sha256-+GjTjv0K2vnlkb46KhMvRRFWuIEBz23Lg3QhiA7QzkA=";
+      url = "https://dldir1.qq.com/qqfile/qq/QQNT/${sources.urlhash}/linuxqq_${sources.version}_amd64.deb";
+      hash = sources.amd64_hash;
     };
     aarch64-linux = fetchurl {
-      url = "https://dldir1.qq.com/qqfile/qq/QQNT/${_hash}/linuxqq_${version}_arm64.deb";
-      hash = "sha256-BtmmVpKZF15aU7RRmXl9g5leg2jz5sT4vYXluq9aIYk=";
+      url = "https://dldir1.qq.com/qqfile/qq/QQNT/${sources.urlhash}/linuxqq_${sources.version}_arm64.deb";
+      hash = sources.arm64_hash;
     };
   };
   src = srcs.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
 in
 stdenv.mkDerivation {
   pname = "qq";
-  inherit version src;
+  version = sources.version;
+  inherit src;
 
   nativeBuildInputs = [
     autoPatchelfHook
@@ -98,6 +98,8 @@ stdenv.mkDerivation {
     )
   '';
 
+  passthru.updateScript = ./update.sh;
+
   meta = with lib; {
     homepage = "https://im.qq.com/linuxqq/";
     description = "Messaging app";
diff --git a/pkgs/applications/networking/instant-messengers/qq/sources.nix b/pkgs/applications/networking/instant-messengers/qq/sources.nix
new file mode 100644
index 000000000000..68c615e38127
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/qq/sources.nix
@@ -0,0 +1,8 @@
+# Generated by ./update.sh - do not update manually!
+# Last updated: 2023-09-26
+{
+  version = "3.2.1-17153";
+  urlhash = "b69de82d";
+  arm64_hash = "sha256-BtmmVpKZF15aU7RRmXl9g5leg2jz5sT4vYXluq9aIYk=";
+  amd64_hash = "sha256-+GjTjv0K2vnlkb46KhMvRRFWuIEBz23Lg3QhiA7QzkA=";
+}
diff --git a/pkgs/applications/networking/instant-messengers/qq/update.sh b/pkgs/applications/networking/instant-messengers/qq/update.sh
new file mode 100755
index 000000000000..312fc210857a
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/qq/update.sh
@@ -0,0 +1,31 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash --pure --keep GITHUB_TOKEN -p nix git curl cacert nix-prefetch-git jq
+
+set -euo pipefail
+
+cd $(readlink -e $(dirname "${BASH_SOURCE[0]}"))
+
+payload=$(curl https://im.qq.com/rainbow/linuxQQDownload | grep -oP "var params= \K\{.*\}(?=;)")
+amd64_url=$(jq -r .x64DownloadUrl.deb <<< "$payload")
+arm64_url=$(jq -r .armDownloadUrl.deb <<< "$payload")
+
+urlhash=$(grep -oP "(?<=QQNT/)[a-e0-9]+(?=/linuxqq)" <<< "$amd64_url")
+version=$(grep -oP "(?<=/linuxqq_).*(?=_amd64.deb)" <<< "$amd64_url")
+
+amd64_hash=$(nix-prefetch-url $amd64_url)
+arm64_hash=$(nix-prefetch-url $arm64_url)
+
+# use friendlier hashes
+amd64_hash=$(nix hash to-sri --type sha256 "$amd64_hash")
+arm64_hash=$(nix hash to-sri --type sha256 "$arm64_hash")
+
+cat >sources.nix <<EOF
+# Generated by ./update.sh - do not update manually!
+# Last updated: $(date +%F)
+{
+  version = "$version";
+  urlhash = "$urlhash";
+  arm64_hash = "$arm64_hash";
+  amd64_hash = "$amd64_hash";
+}
+EOF