From 98873022d4265c8ed77b1e2942c46ebea5afd93a Mon Sep 17 00:00:00 2001
From: Thiago Kenji Okada <thiagokokada@gmail.com>
Date: Tue, 19 Jan 2021 11:18:21 -0300
Subject: [PATCH] opentabletdriver: improve update.sh script

Allow it to update deb package sha256 automatically.
---
 pkgs/tools/X11/opentabletdriver/default.nix | 7 +++++--
 pkgs/tools/X11/opentabletdriver/update.sh   | 8 ++++++++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/pkgs/tools/X11/opentabletdriver/default.nix b/pkgs/tools/X11/opentabletdriver/default.nix
index dc527f47dd34..0450635b6546 100644
--- a/pkgs/tools/X11/opentabletdriver/default.nix
+++ b/pkgs/tools/X11/opentabletdriver/default.nix
@@ -155,8 +155,11 @@ stdenv.mkDerivation rec {
   dontWrapGApps = true;
   dontStrip = true;
 
-  passthru.tests = {
-    otd-runs = nixosTests.opentabletdriver;
+  passthru = {
+    updateScript = ./update.sh;
+    tests = {
+      otd-runs = nixosTests.opentabletdriver;
+    };
   };
 
   meta = with lib; {
diff --git a/pkgs/tools/X11/opentabletdriver/update.sh b/pkgs/tools/X11/opentabletdriver/update.sh
index 04fae30c05a5..715857cf8f46 100755
--- a/pkgs/tools/X11/opentabletdriver/update.sh
+++ b/pkgs/tools/X11/opentabletdriver/update.sh
@@ -14,6 +14,14 @@ if [[ "$new_version" == "$old_version" ]]; then
   [[ "${1}" != "--force" ]] && exit 0
 fi
 
+# Updating the hash of deb package manually since there seems to be no way to do it automatically
+oldDebPkgUrl="https://github.com/InfinityGhost/OpenTabletDriver/releases/download/v${old_version}/OpenTabletDriver.deb";
+newDebPkgUrl="https://github.com/InfinityGhost/OpenTabletDriver/releases/download/v${new_version}/OpenTabletDriver.deb";
+oldDebSha256=$(nix-prefetch-url "$oldDebPkgUrl")
+newDebSha256=$(nix-prefetch-url "$newDebPkgUrl")
+echo "oldDebSha256: $oldDebSha256 newDebSha256: $newDebSha256"
+sed -i ./default.nix -re "s|\"$oldDebSha256\"|\"$newDebSha256\"|"
+
 cd ../../../..
 update-source-version opentabletdriver "$new_version"
 store_src="$(nix-build . -A opentabletdriver.src --no-out-link)"