From 1e084a85d288430908b3cf56c7cb8af9488a983e Mon Sep 17 00:00:00 2001
From: worldofpeace <worldofpeace@protonmail.ch>
Date: Sun, 26 Jul 2020 15:30:53 -0400
Subject: [PATCH] pantheon.wingpanel-indicator-session: fix build with latest
 vala

---
 .../wingpanel-indicators/session/default.nix       | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix
index 14c87036ec8..e9313525821 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix
@@ -1,5 +1,6 @@
 { stdenv
 , fetchFromGitHub
+, fetchpatch
 , pantheon
 , pkgconfig
 , meson
@@ -23,6 +24,19 @@ stdenv.mkDerivation rec {
     sha256 = "02inp8xdxfx8qxjdf2nazw46ahp1gv3skd922ma6kgx5w4wxh5l8";
   };
 
+  patches = [
+    # build failure in vala 0.48.7
+    # https://github.com/elementary/gala/pull/869#issuecomment-657147695
+    (fetchpatch {
+      url = "https://github.com/elementary/wingpanel-indicator-session/commit/ead6971c708eed8b844bd9acd7eed2ab8a97e803.patch";
+      sha256 = "1v7w7zdia82d38ycr5zhckaxgf7gr15hsv05cv5khlki8frryn2x";
+    })
+    (fetchpatch {
+      url = "https://github.com/elementary/wingpanel-indicator-session/commit/85347e676054635ac878fc542bd057398ca70d3e.patch";
+      sha256 = "1vw4zx0qbhxmfzqhdcmwdp4fxvij7n3f5lwcplf5v3k9qsr3wm0n";
+    })
+  ];
+
   passthru = {
     updateScript = pantheon.updateScript {
       attrPath = "pantheon.${pname}";