1 files changed, 8 insertions, 3 deletions
diff --git a/pkgs/development/compilers/c0/default.nix b/pkgs/development/compilers/c0/default.nix
index 9722d466ae2..179326cfeb8 100644
--- a/pkgs/development/compilers/c0/default.nix
+++ b/pkgs/development/compilers/c0/default.nix
@@ -10,17 +10,18 @@
 , libpng
 , ncurses
 , readline
+, unstableGitUpdater
 }:
 
 stdenv.mkDerivation rec {
   pname = "c0";
-  version = "unstable-2022-10-25";
+  version = "unstable-2023-09-05";
 
   src = fetchFromBitbucket {
     owner = "c0-lang";
     repo = "c0";
-    rev = "7ef3bc9ca232ec41936e93ec8957051e48cacfba";
-    sha256 = "sha256-uahF8fOp2ZJE8EhZke46sbPmN0MNHzsLkU4EXkV710U=";
+    rev = "608f97eef5d81bb85963d66f955730dd93996f67";
+    hash = "sha256-lRIEtclx+NKxAO72nsvnxVeEGCEe6glC6w8MXh1HEwY=";
   };
 
   patches = [
@@ -67,6 +68,10 @@ stdenv.mkDerivation rec {
     mv $out/c0-mode/ $out/share/emacs/site-lisp/
   '';
 
+  passthru.updateScript = unstableGitUpdater {
+    url = "https://bitbucket.org/c0-lang/c0.git";
+  };
+
   meta = with lib; {
     description = "A small safe subset of the C programming language, augmented with contracts";
     homepage = "https://c0.cs.cmu.edu/";