From 8ff4998cd98dae056283291c8d2d147f412349e2 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Fri, 13 Feb 2026 23:13:07 +0000
Subject: [PATCH 1/5] abseil-cpp_202407: 20240722.1 -> 20240722.2

Diff: https://github.com/abseil/abseil-cpp/compare/20240722.1...20240722.2

Changelog: https://github.com/abseil/abseil-cpp/releases/tag/20240722.2
---
 pkgs/development/libraries/abseil-cpp/202407.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/abseil-cpp/202407.nix b/pkgs/development/libraries/abseil-cpp/202407.nix
index d8c0d3ef08b7..5a59ef370eaf 100644
--- a/pkgs/development/libraries/abseil-cpp/202407.nix
+++ b/pkgs/development/libraries/abseil-cpp/202407.nix
@@ -11,13 +11,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "abseil-cpp";
-  version = "20240722.1";
+  version = "20240722.2";
 
   src = fetchFromGitHub {
     owner = "abseil";
     repo = "abseil-cpp";
     tag = finalAttrs.version;
-    hash = "sha256-ir4hG2VIPv3se7JfWqCM/siLqFEFkmhMW/IGCocy6Pc=";
+    hash = "sha256-PuS7MLwi824c4z4Cubh029DEUVYSNPD3MwCDsgzsp3Y=";
   };
 
   patches = [

From f29056c5b975fe75379b61151d61d6a94f5b4d58 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Fri, 13 Feb 2026 23:14:04 +0000
Subject: [PATCH 2/5] abseil-cpp_202505: 20250512.1 -> 20250512.2

Diff: https://github.com/abseil/abseil-cpp/compare/20250512.1...20250512.2

Changelog: https://github.com/abseil/abseil-cpp/releases/tag/20250512.2
---
 pkgs/by-name/ab/abseil-cpp_202505/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/ab/abseil-cpp_202505/package.nix b/pkgs/by-name/ab/abseil-cpp_202505/package.nix
index c1884d4a953d..cb354cd50a3d 100644
--- a/pkgs/by-name/ab/abseil-cpp_202505/package.nix
+++ b/pkgs/by-name/ab/abseil-cpp_202505/package.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "abseil-cpp";
-  version = "20250512.1";
+  version = "20250512.2";
 
   src = fetchFromGitHub {
     owner = "abseil";
     repo = "abseil-cpp";
     tag = finalAttrs.version;
-    hash = "sha256-eB7OqTO9Vwts9nYQ/Mdq0Ds4T1KgmmpYdzU09VPWOhk=";
+    hash = "sha256-NMdCALDFGGNNGyN17nwpRYBh/hoQoU7YMk66YDJndxQ=";
   };
 
   cmakeFlags = [

From 953a83a67992a3e7e0210d5f5b2fb6178584595e Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Fri, 13 Feb 2026 23:14:21 +0000
Subject: [PATCH 3/5] abseil-cpp_202508: 20250814.1 -> 20250814.2

Diff: https://github.com/abseil/abseil-cpp/compare/20250814.1...20250814.2

Changelog: https://github.com/abseil/abseil-cpp/releases/tag/20250814.2
---
 pkgs/by-name/ab/abseil-cpp_202508/package.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/by-name/ab/abseil-cpp_202508/package.nix b/pkgs/by-name/ab/abseil-cpp_202508/package.nix
index 5419ae381c67..47079240bfac 100644
--- a/pkgs/by-name/ab/abseil-cpp_202508/package.nix
+++ b/pkgs/by-name/ab/abseil-cpp_202508/package.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "abseil-cpp";
-  version = "20250814.1";
+  version = "20250814.2";
 
   src = fetchFromGitHub {
     owner = "abseil";
     repo = "abseil-cpp";
     tag = finalAttrs.version;
-    hash = "sha256-SCQDORhmJmTb0CYm15zjEa7dkwc+lpW2s1d4DsMRovI=";
+    hash = "sha256-PCospVD/hnbT/87tRtvick+RIuwAv7DDPGnLG3ZMb3g=";
   };
 
   outputs = [

From 543f80d4becdaa65a55d608d5f589648c285e1e9 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Fri, 13 Feb 2026 23:19:43 +0000
Subject: [PATCH 4/5] abseil-cpp_202601: init at 20260107.1

---
 pkgs/by-name/ab/abseil-cpp_202601/package.nix | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 pkgs/by-name/ab/abseil-cpp_202601/package.nix

diff --git a/pkgs/by-name/ab/abseil-cpp_202601/package.nix b/pkgs/by-name/ab/abseil-cpp_202601/package.nix
new file mode 100644
index 000000000000..f71a2aedf920
--- /dev/null
+++ b/pkgs/by-name/ab/abseil-cpp_202601/package.nix
@@ -0,0 +1,50 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  gtest,
+  static ? stdenv.hostPlatform.isStatic,
+  cxxStandard ? null,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "abseil-cpp";
+  version = "20260107.1";
+
+  src = fetchFromGitHub {
+    owner = "abseil";
+    repo = "abseil-cpp";
+    tag = finalAttrs.version;
+    hash = "sha256-TJT2Kzc64zI42FAbbGWP3Sshh1dU/D/AtEpgZrrhebg=";
+  };
+
+  outputs = [
+    "out"
+    "dev"
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "ABSL_BUILD_TEST_HELPERS" true)
+    (lib.cmakeBool "ABSL_USE_EXTERNAL_GOOGLETEST" true)
+    (lib.cmakeBool "BUILD_SHARED_LIBS" (!static))
+  ]
+  ++ lib.optionals (cxxStandard != null) [
+    (lib.cmakeFeature "CMAKE_CXX_STANDARD" cxxStandard)
+  ];
+
+  strictDeps = true;
+
+  nativeBuildInputs = [ cmake ];
+
+  buildInputs = [ gtest ];
+
+  meta = {
+    description = "Open-source collection of C++ code designed to augment the C++ standard library";
+    homepage = "https://abseil.io/";
+    changelog = "https://github.com/abseil/abseil-cpp/releases/tag/${finalAttrs.version}";
+    license = lib.licenses.asl20;
+    platforms = lib.platforms.all;
+    maintainers = [ lib.maintainers.GaetanLepage ];
+  };
+})

From 6796a6522369e6369129799897aa3c1bc915bd79 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Fri, 13 Feb 2026 23:20:16 +0000
Subject: [PATCH 5/5] abseil-cpp: 20250814.2 -> 20260107.1

---
 pkgs/by-name/ab/abseil-cpp/package.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/by-name/ab/abseil-cpp/package.nix b/pkgs/by-name/ab/abseil-cpp/package.nix
index 8e26cb30a690..37806c0e7ce1 100644
--- a/pkgs/by-name/ab/abseil-cpp/package.nix
+++ b/pkgs/by-name/ab/abseil-cpp/package.nix
@@ -5,4 +5,4 @@
 # library.”  Therefore, we keep packages `abseil-cpp_YYYYMM` for each
 # required LTS branch, leaving `abseil-cpp` as an alias.
 
-{ abseil-cpp_202508 }: abseil-cpp_202508
+{ abseil-cpp_202601 }: abseil-cpp_202601