From d987335f49bd49ca9e00d1bd06f3d962561eb0b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20Schr=C3=B6ter?= <dev@felschr.com>
Date: Sat, 23 Sep 2023 19:06:38 +0200
Subject: [PATCH] tor-browser: adjust update script for upcoming changes

Both Tor Browser & Mullvad Browser will use slightly different archive
names beginnign with release 13.0. In addition to adjusting to those
changes, the update script now supports prereleases via an argument.
---
 .../browsers/mullvad-browser/default.nix      |  2 +-
 .../browsers/tor-browser/update.nix           | 21 +++++++++++--------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/pkgs/applications/networking/browsers/mullvad-browser/default.nix b/pkgs/applications/networking/browsers/mullvad-browser/default.nix
index 3b3f29221537..c5ed02c58a70 100644
--- a/pkgs/applications/networking/browsers/mullvad-browser/default.nix
+++ b/pkgs/applications/networking/browsers/mullvad-browser/default.nix
@@ -232,7 +232,7 @@ stdenv.mkDerivation rec {
     updateScript = callPackage ../tor-browser/update.nix {
       inherit pname version meta;
       baseUrl = "https://cdn.mullvad.net/browser/";
-      prefix = "mullvad-browser-";
+      name = "mullvad-browser";
     };
   };
 
diff --git a/pkgs/applications/networking/browsers/tor-browser/update.nix b/pkgs/applications/networking/browsers/tor-browser/update.nix
index f169bd3c4efa..4edb644d59f9 100644
--- a/pkgs/applications/networking/browsers/tor-browser/update.nix
+++ b/pkgs/applications/networking/browsers/tor-browser/update.nix
@@ -13,13 +13,16 @@
 , version
 , meta
 , baseUrl ? "https://dist.torproject.org/torbrowser/"
-# prefix used to match published archive
-, prefix ? "tor-browser-"
-# suffix used to match published archive
-, suffix ? "_ALL.tar.xz"
+# name used to match published archive
+, name ? "tor-browser"
+, prerelease ? false
 }:
 
-writeShellScript "update-${pname}" ''
+let
+  versionMatch = if prerelease
+    then ''[0-9]+(\.[0-9]+)*.*''
+    else ''[0-9]+(\.[0-9]+)*'';
+in writeShellScript "update-${pname}" ''
   PATH="${lib.makeBinPath [ coreutils curl gnugrep gnused gnupg nix common-updater-scripts ]}"
   set -euo pipefail
 
@@ -27,7 +30,7 @@ writeShellScript "update-${pname}" ''
 
   url=${baseUrl}
   version=$(curl -s $url \
-            | sed -rne 's,^.*href="([0-9]+(\.[0-9]+)*)/".*,\1,p' \
+            | sed -rne 's,^.*href="(${versionMatch})/".*,\1,p' \
             | sort --version-sort | tail -1)
 
   if [[ "${version}" = "$version" ]]; then
@@ -47,13 +50,13 @@ writeShellScript "update-${pname}" ''
   gpgv --keyring=$HOME/tor.keyring $HOME/shasums.asc $HOME/shasums
 
   declare -A platforms=(
-    ['x86_64-linux']='linux64'
-    ['i686-linux']='linux32'
+    ['x86_64-linux']='linux-x86_64'
+    ['i686-linux']='linux-i686'
   )
 
   for platform in ${lib.escapeShellArgs meta.platforms}; do
     arch="''${platforms[$platform]}"
-    sha256=$(cat "$HOME/shasums" | grep "${prefix}""$arch-$version""${suffix}" | cut -d" " -f1)
+    sha256=$(grep "${name}-$arch-$version.tar.xz" "$HOME/shasums" | cut -d" " -f1)
     hash=$(nix hash to-sri --type sha256 "$sha256")
 
     update-source-version "${pname}" "0" "sha256-${lib.fakeSha256}" --source-key="sources.$platform"