Revert "Merge pull request #9546 from NixOS/nixos-23.11"

This reverts commit 587c7dcb2b, reversing
changes made to 864fc85fc8.

Makefile

@@ -69,7 +69,6 @@ ifeq ($(OPTIMIZE), 1)
   GLOBAL_LDFLAGS += $(CXXLTO)
 else
   GLOBAL_CXXFLAGS += -O0 -U_FORTIFY_SOURCE
-  unexport NIX_HARDENING_ENABLE
 endif
 
 include mk/platform.mk

flake.lock

@@ -34,16 +34,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1709083642,
-        "narHash": "sha256-7kkJQd4rZ+vFrzWu8sTRtta5D1kBG0LSRYAfhtmMlSo=",
+        "lastModified": 1705033721,
+        "narHash": "sha256-K5eJHmL1/kev6WuqyqqbS1cdNnSidIZ3jeqJ7GbrYnQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b550fe4b4776908ac2a861124307045f8e717c8e",
+        "rev": "a1982c92d8980a0114372973cbdfe0a307f1bdea",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-23.11",
+        "ref": "nixos-23.05-small",
         "repo": "nixpkgs",
         "type": "github"
       }

flake.nix

@@ -1,9 +1,7 @@
 {
   description = "The purely functional package manager";
 
-  # TODO switch to nixos-23.11-small
-  #      https://nixpk.gs/pr-tracker.html?pr=291954
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/release-23.11";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05-small";
   inputs.nixpkgs-regression.url = "github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2";
   inputs.flake-compat = { url = "github:edolstra/flake-compat"; flake = false; };
   inputs.libgit2 = { url = "github:libgit2/libgit2"; flake = false; };
@@ -12,10 +10,20 @@
 
     let
       inherit (nixpkgs) lib;
-      inherit (lib) fileset;
+
+      # Experimental fileset library: https://github.com/NixOS/nixpkgs/pull/222981
+      # Not an "idiomatic" flake input because:
+      #  - Propagation to dependent locks: https://github.com/NixOS/nix/issues/7730
+      #  - Subflake would download redundant and huge parent flake
+      #  - No git tree hash support: https://github.com/NixOS/nix/issues/6044
+      inherit (import (builtins.fetchTarball { url = "https://github.com/NixOS/nix/archive/1bdcd7fc8a6a40b2e805bad759b36e64e911036b.tar.gz"; sha256 = "sha256:14ljlpdsp4x7h1fkhbmc4bd3vsqnx8zdql4h3037wh09ad6a0893"; }))
+        fileset;
 
       officialRelease = false;
 
+      # Set to true to build the release notes for the next release.
+      buildUnreleasedNotes = false;
+
       version = lib.fileContents ./.version + versionSuffix;
       versionSuffix =
         if officialRelease
@@ -396,11 +404,8 @@
             # Make bash completion work.
             XDG_DATA_DIRS+=:$out/share
           '';
-
           nativeBuildInputs = attrs.nativeBuildInputs or []
-            # TODO: Remove the darwin check once
-            # https://github.com/NixOS/nixpkgs/pull/291814 is available
-            ++ lib.optional (stdenv.cc.isClang && !stdenv.buildPlatform.isDarwin) pkgs.buildPackages.bear
+            ++ lib.optional stdenv.cc.isClang pkgs.buildPackages.bear
             ++ lib.optional (stdenv.cc.isClang && stdenv.hostPlatform == stdenv.buildPlatform) pkgs.buildPackages.clang-tools;
         });
         in
@@ -412,9 +417,8 @@
               (forAllStdenvs (stdenvName: makeShell pkgs pkgs.${stdenvName}));
           in
             (makeShells "native" nixpkgsFor.${system}.native) //
-            (lib.optionalAttrs (!nixpkgsFor.${system}.native.stdenv.isDarwin)
-              (makeShells "static" nixpkgsFor.${system}.static)) //
-              (lib.genAttrs shellCrossSystems (crossSystem: let pkgs = nixpkgsFor.${system}.cross.${crossSystem}; in makeShell pkgs pkgs.stdenv)) //
+            (makeShells "static" nixpkgsFor.${system}.static) //
+            (lib.genAttrs shellCrossSystems (crossSystem: let pkgs = nixpkgsFor.${system}.cross.${crossSystem}; in makeShell pkgs pkgs.stdenv)) //
             {
               default = self.devShells.${system}.native-stdenvPackages;
             }

package.nix

@@ -154,7 +154,7 @@ in {
     in
       fileset.toSource {
         root = ./.;
-        fileset = fileset.intersection baseFiles (fileset.unions ([
+        fileset = fileset.intersect baseFiles (fileset.unions ([
           # For configure
           ./.version
           ./configure.ac

src/libstore/local-store.cc

@@ -1208,7 +1208,7 @@ StorePath LocalStore::addToStoreFromDump(
     Path tempDir;
     AutoCloseFD tempDirFd;
 
-    bool methodsMatch = ContentAddressMethod(FileIngestionMethod(dumpMethod)) == hashMethod;
+    bool methodsMatch = (FileIngestionMethod) dumpMethod == hashMethod;
 
     /* If the methods don't match, our streaming hash of the dump is the
        wrong sort, and we need to rehash. */

tests/functional/git-hashing/common.sh

@@ -4,7 +4,7 @@ clearStore
 clearCache
 
 # Need backend to support git-hashing too
-requireDaemonNewerThan "2.19"
+requireDaemonNewerThan "2.18.0pre20230908"
 
 enableFeatures "git-hashing"
 

tests/functional/impure-env.sh

@@ -1,7 +1,7 @@
 source common.sh
 
 # Needs the config option 'impure-env' to work
-requireDaemonNewerThan "2.19.0"
+requireDaemonNewerThan "2.18.0pre20230816"
 
 enableFeatures "configurable-impure-env"
 restartDaemon