Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: folly 2025.10.13.00 -> 2026.01.26.00 https://github.com/facebook/folly/releases
attrpath: folly
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/v7kify1ahfg3lakp7i993yy1hf5c9fxc-packages.json.drv
building '/nix/store/v7kify1ahfg3lakp7i993yy1hf5c9fxc-packages.json.drv'...

Going to be running update for following packages:
 - folly-2025.10.13.00

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - folly-2025.10.13.00: UPDATING ...
 - folly-2025.10.13.00: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fo/folly/package.nix b/pkgs/by-name/fo/folly/package.nix
index eca0493cc2f0..6731eefbc1e6 100644
--- a/pkgs/by-name/fo/folly/package.nix
+++ b/pkgs/by-name/fo/folly/package.nix
@@ -40,7 +40,7 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "folly";
-  version = "2025.10.13.00";
+  version = "2026.01.26.00";
 
   # split outputs to reduce downstream closure sizes
   outputs = [
@@ -52,7 +52,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "facebook";
     repo = "folly";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-k7PGxYF3HlNc5nPBV+MkELya/4yllkaMA37vcfES4NE=";
+    hash = "sha256-XnyYW7D9u2/L6uQfo3v2hcvVdrsgc3vZAqHgEJuBJjQ=";
   };
 
   nativeBuildInputs = [

An auto update branch exists with message `folly: 2025.10.13.00 -> 2025.12.01.00`. New version is 2026.01.26.00.
The auto update branch does not match or exceed the new version.
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A folly
nix build failed.
got build log for 'folly' from 'daemon'
Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/aiszjq5780ri172l3m7v1gkb0y21aahi-source
source root is source
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
applying patch /nix/store/rnwh59qc0jipsdzimyfm3lsv35jjiw0l-install-test-certs.patch
patching file CMakeLists.txt
Hunk #1 succeeded at 284 (offset -205 lines).
applying patch /nix/store/8hqzmp7y1lsxhp279lyhip3lx9gypg49-char_traits.patch
patching file folly/memory/test/UninitializedMemoryHacksTest.cpp
applying patch /nix/store/hbvjm6kd4qb2vsbq4anqik7z46m6xj7y-folly-fix-glog-0.7.patch
patching file CMake/folly-deps.cmake
Hunk #1 succeeded at 73 (offset 12 lines).
applying patch /nix/store/4ck8mhsc7rmj80rx3pyba2dzp5ssy9p3-fix-__type_pack_element.patch
patching file folly/container/test/ForeachTest.cpp
Hunk #1 FAILED at 314.
1 out of 1 hunk FAILED -- saving rejects to file folly/container/test/ForeachTest.cpp.rej