1 files changed, 10 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix b/nixpkgs/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
index c97a908d33d9..f217084585a2 100644
--- a/nixpkgs/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
+++ b/nixpkgs/pkgs/applications/networking/instant-messengers/signal-desktop/default.nix
@@ -2,7 +2,7 @@
 , gnome2, gtk3, atk, at-spi2-atk, cairo, pango, gdk-pixbuf, glib, freetype, fontconfig
 , dbus, libX11, xorg, libXi, libXcursor, libXdamage, libXrandr, libXcomposite
 , libXext, libXfixes, libXrender, libXtst, libXScrnSaver, nss, nspr, alsaLib
-, cups, expat, udev, libnotify, libuuid
+, cups, expat, udev, libnotify, libuuid, at-spi2-core
 # Unfortunately this also overwrites the UI language (not just the spell
 # checking language!):
 , hunspellDicts, spellcheckerLanguage ? null # E.g. "de_DE"
@@ -25,6 +25,7 @@ let
     alsaLib
     atk
     at-spi2-atk
+    at-spi2-core
     cairo
     cups
     dbus
@@ -57,11 +58,17 @@ let
 
 in stdenv.mkDerivation rec {
   pname = "signal-desktop";
-  version = "1.26.2";
+  version = "1.27.2"; # Please backport all updates to the stable channel.
+  # All releases have a limited lifetime and "expire" 90 days after the release.
+  # When releases "expire" the application becomes unusable until an update is
+  # applied. The expiration date for the current release can be extracted with:
+  # $ grep -a "^{\"buildExpiration" "${signal-desktop}/libexec/resources/app.asar"
+  # (Alternatively we could try to patch the asar archive, but that requires a
+  # few additional steps and might not be the best idea.)
 
   src = fetchurl {
     url = "https://updates.signal.org/desktop/apt/pool/main/s/signal-desktop/signal-desktop_${version}_amd64.deb";
-    sha256 = "08qx7k82x6ybqi3lln6ixzmdz4sr8yz8vfx0y408b85wjfc7ncjk";
+    sha256 = "08qh7867bc6z6mdbdilqdacx67n0kaxl3m4m97k0jxhd093a8xfz";
   };
 
   phases = [ "unpackPhase" "installPhase" ];