2 files changed, 22 insertions, 4 deletions
diff --git a/third_party/default.nix b/third_party/default.nix
index 193572bf65fb..5bd96581c9d8 100644
--- a/third_party/default.nix
+++ b/third_party/default.nix
@@ -5,11 +5,11 @@
 
 { pkgs, ... }:
 let
-  # Tracking nixos-unstable as of 2020-01-18.
-  commit = "c438ce12a858f24c1a2479213eaab751da45fa50";
+  # Tracking nixos-unstable as of 2020-02-17.
+  commit = "8130f3c1c2bb0e533b5e150c39911d6e61dcecc2";
   nixpkgsSrc = fetchTarball {
     url = "https://github.com/NixOS/nixpkgs-channels/archive/${commit}.tar.gz";
-    sha256 = "18m4hxx8y0gfrmhkz29iyc0hmss584m9xhgpk7j7bwjaci0fps4z";
+    sha256 = "154nrhmm3dk5kmga2w5f7a2l6j79dvizrg4wzbrcwlbvdvapdgkb";
   };
   nixpkgs = import nixpkgsSrc {
     config.allowUnfree = true;
@@ -40,6 +40,7 @@ let
       emacsPackagesNgGen
       fetchFromGitHub
       fetchurl
+      fetchzip
       fira
       fira-code
       fira-mono
@@ -110,7 +111,7 @@ in exposed // {
 
   # Packages to be overridden
   originals = {
-    inherit (nixpkgs) git guile notmuch;
+    inherit (nixpkgs) git guile notmuch pounce;
   };
 
   # Make NixOS available
diff --git a/third_party/pounce/default.nix b/third_party/pounce/default.nix
new file mode 100644
index 000000000000..1aab276b7436
--- /dev/null
+++ b/third_party/pounce/default.nix
@@ -0,0 +1,17 @@
+# Applies the changes from nixpkgs#88e4258df to the pounce derivation.
+#
+# TODO(tazjin): Remove this once the change has propagated to
+# nixos-unstable.
+{ pkgs, ... }:
+
+with pkgs.third_party;
+
+originals.pounce.overrideAttrs(old: rec {
+  version = "1.1";
+  src = fetchzip {
+    url = "https://git.causal.agency/pounce/snapshot/pounce-${version}.tar.gz";
+    sha256 = "07iyh6ikrlf7y57k462jcr00db6aijk9b2s7n7l7i49hk7kmm6wq";
+  };
+
+  patches = [];
+})