codeium 0 -> 1
attrpath: codeium
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/9g2wzifs3crlrzz14xwcpnjkq1b1n508-packages.json.drv
building '/nix/store/9g2wzifs3crlrzz14xwcpnjkq1b1n508-packages.json.drv'...

Going to be running update for following packages:
 - codeium-1.8.16

Press Enter key to continue...
Running update for:
 - codeium-1.8.16: UPDATING ...
 - codeium-1.8.16: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/co/codeium/package.nix b/pkgs/by-name/co/codeium/package.nix
index 923d4fce8f21..437df8439ed3 100644
--- a/pkgs/by-name/co/codeium/package.nix
+++ b/pkgs/by-name/co/codeium/package.nix
@@ -13,10 +13,10 @@ let
   }.${system} or throwSystem;
 
   hash = {
-    x86_64-linux = "sha256-9r3v5xCYYoxfs3zY7/v8K3B5CxJPcNcEtkDU6kuvzGE=";
-    aarch64-linux = "sha256-Q/PktmEfTBX1ycK/7ebsJSE25FQ8dO+ejv+fAOKlNy8=";
-    x86_64-darwin = "sha256-vyv5oyMl9Itu434okNmgRX0A1UTX3ZxJ3Q56akpIbrU=";
-    aarch64-darwin = "sha256-H2ghAfRzDhbCyxrKmJ2ritkUuDeWZzINr8DROzbOyUQ=";
+    x86_64-linux = "sha256-AHjR6lHszYqZ2yC/uY2DmB67xMUFZliqI29Ptes2SoY=";
+    aarch64-linux = "sha256-2NYlec6gpVMJwZctEqwn5rQiTrb5PmaxEz3lQxF1qmk=";
+    x86_64-darwin = "sha256-OeMbO2lDK6XUF3ht+09ZWOL7UsEEVTrKyXOfhny8DhM=";
+    aarch64-darwin = "sha256-4CQvJkd3kI7XJz46QsSUBtWLmxDu7AcAJwRS3amv0SM=";
   }.${system} or throwSystem;
 
   bin = "$out/bin/codeium_language_server";
@@ -24,7 +24,7 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "codeium";
-  version = "1.8.16";
+  version = "1.8.22";
   src = fetchurl {
     name = "${finalAttrs.pname}-${finalAttrs.version}.gz";
     url = "https://github.com/Exafunction/codeium/releases/download/language-server-v${finalAttrs.version}/language_server_${plat}.gz";

An auto update branch exists with message `codeium: 1.8.16 -> 1.8.21`. New version is 1.8.22.
The auto update branch does not match or exceed the new version.
Old version 1.8.16" not present in master derivation file with contents: { stdenv, lib, fetchurl, gzip, autoPatchelfHook }:
let

  inherit (stdenv.hostPlatform) system;
  throwSystem = throw "Unsupported system: ${system}";

  plat = {
    x86_64-linux = "linux_x64";
    aarch64-linux = "linux_arm";
    x86_64-darwin = "macos_x64";
    aarch64-darwin = "macos_arm";

  }.${system} or throwSystem;

  hash = {
    x86_64-linux = "sha256-AHjR6lHszYqZ2yC/uY2DmB67xMUFZliqI29Ptes2SoY=";
    aarch64-linux = "sha256-2NYlec6gpVMJwZctEqwn5rQiTrb5PmaxEz3lQxF1qmk=";
    x86_64-darwin = "sha256-OeMbO2lDK6XUF3ht+09ZWOL7UsEEVTrKyXOfhny8DhM=";
    aarch64-darwin = "sha256-4CQvJkd3kI7XJz46QsSUBtWLmxDu7AcAJwRS3amv0SM=";
  }.${system} or throwSystem;

  bin = "$out/bin/codeium_language_server";

in
stdenv.mkDerivation (finalAttrs: {
  pname = "codeium";
  version = "1.8.22";
  src = fetchurl {
    name = "${finalAttrs.pname}-${finalAttrs.version}.gz";
    url = "https://github.com/Exafunction/codeium/releases/download/language-server-v${finalAttrs.version}/language_server_${plat}.gz";
    inherit hash;
  };

  nativeBuildInputs = [ gzip ] ++ lib.optionals stdenv.isLinux [ autoPatchelfHook ];

  dontUnpack = true;
  dontConfigure = true;
  dontBuild = true;

  installPhase = ''
    runHook preInstall
    mkdir -p $out/bin
    gzip -dc $src > ${bin}
    chmod +x ${bin}
    runHook postInstall
  '';

  passthru.updateScript = ./update.sh;

  meta = rec {
    description = "Codeium language server";
    longDescription = ''
      Codeium proprietary language server, patched for Nix(OS) compatibility.
      bin/language_server_x must be symlinked into the plugin directory, replacing the existing binary.
      For example:
      ```shell
      ln -s "$(which codeium_language_server)" /home/a/.local/share/JetBrains/Rider2023.1/codeium/662505c9b23342478d971f66a530cd102ae35df7/language_server_linux_x64
      ```
    '';
    homepage = "https://codeium.com/";
    downloadPage = homepage;
    changelog = homepage;
    license = lib.licenses.unfree;
    maintainers = with lib.maintainers; [ anpin ];
    mainProgram = "codeium";
    platforms = [ "aarch64-darwin" "aarch64-linux" "x86_64-linux" "x86_64-darwin" ];
    sourceProvenance = [ lib.sourceTypes.binaryNativeCode ];
  };
})