overlays at ldc-1.40.1, dub-1.39.0, dtools-2.110.0HEADmain

- following nixpkgs pretty much
  - ldc-1.40.1 (based on D 2.110.0)
  - dub-1.39.0
  - dtools-2.110.0 (overlay changes)

13 files changed, 659 insertions, 320 deletions

diff --git a/nix-overlays/README b/nix-overlays/README
index f69d2a5..e871693 100644
--- a/nix-overlays/README
+++ b/nix-overlays/README
@@ -16,9 +16,9 @@ compiler and build tools: ldc, dub and dtools, than exist in nixpkgs at the time
 of publishing, in some cases with additional fixes.
 
 nix overlays for (updates nixpkgs, more recent versions of):
-  - ldc     ( 1.30.0 -> 1.40.0 )
-  - dub     ( 1.23.0 -> 1.38.1 ) [for nix versions 1.31.0 ... 1.33.0 broken]
-  - dtools  ( 2.095.1 -> 2.103.1 )
+  - ldc     ( 1.30.0 -> 1.40.1 )
+  - dub     ( 1.23.0 -> 1.39.0 ) [for nix versions 1.31.0 ... 1.33.0 broken]
+  - dtools  ( 2.095.1 -> 2.110.0 )
 
   - dmd     ( 2.106.1 -> 2.110.0 )
   - gdc     [not yet available]
@@ -47,13 +47,13 @@ search nixpkgs here:
 - https://search.nixos.org/packages?channel=unstable&from=0&size=100&sort=relevance&query=
 
 ** compilers
-*** ldc OK ✓ ( 1.30.0 -> 1.40.0 )
+*** ldc OK ✓ ( 1.30.0 -> 1.40.1 )
 
 - https://wiki.dlang.org/LDC
 
 - https://github.com/ldc-developers/ldc
   - https://github.com/ldc-developers/ldc/releases
-    nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.0.tar.gz
+    nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.1.tar.gz
   - https://github.com/ldc-developers/ldc/issues
 
 - version in nixpkgs:
@@ -88,13 +88,13 @@ not yet provided in nixpkgs with gcc12, no attempt made
 - https://github.com/D-Programming-GDC/gdc
 
 ** build tool
-*** dub ( 1.23.0 -> 1.38.1 )
+*** dub ( 1.23.0 -> 1.39.0 )
 
 - https://code.dlang.org/packages/dub
 
 - https://github.com/dlang/dub
   - https://github.com/dlang/dub/releases
-    nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.38.1.tar.gz
+    nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.39.0.tar.gz
   - https://github.com/dlang/dub/issues
 
 - version in nixpkgs:
@@ -102,19 +102,19 @@ not yet provided in nixpkgs with gcc12, no attempt made
 
 - dub nixpkg overlay is updated and runs most dub tests correctly
 
-- dub OK ✓ ( 1.30.0 -> 1.38.1 )
+- dub OK ✓ ( 1.30.0 -> 1.39.0 )
 
   from v1.31.0 requires seeting of pwd in buildPhase else fails to build
   packages with nix tools that previous version of dub built;
 
 ** tools
-*** dtools OK ✓ ( 2.095.1 -> 2.103.1 )
+*** dtools OK ✓ ( 2.095.1 -> 2.110.0 )
 
 - https://code.dlang.org/packages/dtools
 
 - https://github.com/dlang/tools
   - https://github.com/dlang/tools/tags
-    nix-prefetch --unpack https://github.com/dlang/tools/archive/refs/tags/v2.103.1.tar.gz
+    nix-prefetch --unpack https://github.com/dlang/tools/archive/refs/tags/v2.110.0.tar.gz
   - https://github.com/dlang/tools/issues
 
 - version in nixpkgs
diff --git a/nix-overlays/dmd/default.nix b/nix-overlays/dmd/default.nix
index 69a9f75..8375c13 100644
--- a/nix-overlays/dmd/default.nix
+++ b/nix-overlays/dmd/default.nix
@@ -1,5 +1 @@
-import ./generic.nix {
-  version = "2.110.0";
-  dmdHash = "sha256-icXp9xWF2AI2gp7z/lQFAChmXfQePe9b5pbpQ9Mn19Y=";
-  phobosHash = "sha256-CmJpcHM+sIsaYBlpALCFoQFG+93s8gUyWmM0tYqjXkk=";
-}
+import ./package.nix
diff --git a/nix-overlays/dmd/generic.nix b/nix-overlays/dmd/generic.nix
index 22f7fa8..e130d69 100644
--- a/nix-overlays/dmd/generic.nix
+++ b/nix-overlays/dmd/generic.nix
@@ -1,28 +1,30 @@
-{ version
-, dmdHash
-, phobosHash
+{
+  version,
+  dmdHash,
+  phobosHash,
 }:
 
-{ stdenv
-, lib
-, fetchFromGitHub
-, removeReferencesTo
-, makeWrapper
-, which
-, writeTextFile
-, curl
-, tzdata
-, gdb
-#, Foundation
-, callPackage
-, targetPackages
-, fetchpatch
-, bash
-, installShellFiles
-, git
-, unzip
-, dmdBootstrap ? callPackage ./bootstrap.nix { }
-, dmdBin ? "${dmdBootstrap}/bin"
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  removeReferencesTo,
+  makeWrapper,
+  which,
+  writeTextFile,
+  curl,
+  tzdata,
+  gdb,
+  # Foundation,
+  callPackage,
+  targetPackages,
+  fetchpatch,
+  bash,
+  installShellFiles,
+  git,
+  unzip,
+  dmdBootstrap ? callPackage ./bootstrap.nix { },
+  dmdBin ? "${dmdBootstrap}/bin",
 }:
 
 let
@@ -36,11 +38,8 @@ let
   };
 
   bits = builtins.toString stdenv.hostPlatform.parsed.cpu.bits;
-  osname =
-    if stdenv.hostPlatform.isDarwin then
-      "osx"
-    else
-      stdenv.hostPlatform.parsed.kernel.name;
+  osname = if stdenv.hostPlatform.isDarwin then "osx"
+    else stdenv.hostPlatform.parsed.kernel.name;
 
   pathToDmd = "\${NIX_BUILD_TOP}/dmd/generated/${osname}/release/${bits}/dmd";
 in
diff --git a/nix-overlays/dmd/package.nix b/nix-overlays/dmd/package.nix
new file mode 100644
index 0000000..69a9f75
--- /dev/null
+++ b/nix-overlays/dmd/package.nix
@@ -0,0 +1,5 @@
+import ./generic.nix {
+  version = "2.110.0";
+  dmdHash = "sha256-icXp9xWF2AI2gp7z/lQFAChmXfQePe9b5pbpQ9Mn19Y=";
+  phobosHash = "sha256-CmJpcHM+sIsaYBlpALCFoQFG+93s8gUyWmM0tYqjXkk=";
+}
diff --git a/nix-overlays/dtools/default.nix b/nix-overlays/dtools/default.nix
index d605e4d..8375c13 100644
--- a/nix-overlays/dtools/default.nix
+++ b/nix-overlays/dtools/default.nix
@@ -1,51 +1 @@
-{ stdenv, lib, fetchFromGitHub, fetchpatch, ldc, curl, gnumake42 }:
-
-stdenv.mkDerivation rec {
-  pname = "dtools";
-  version = "2.103.1";
-
-  src = fetchFromGitHub {
-    owner = "dlang";
-    repo = "tools";
-    rev = "v${version}";
-    sha256 = "sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=";
-    name = "dtools";
-  };
-
-  patches = [
-    (fetchpatch {
-      # part of https://github.com/dlang/tools/pull/441
-      url = "https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch"; # Fix LDC arm64 build
-      sha256 = "sha256-x6EclTYN1Y5FG57KLhbBK0BZicSYcZoWO7MTVcP4T18=";
-    })
-  ];
-
-  nativeBuildInputs = [ ldc gnumake42 ]; # fails with make 4.4
-  buildInputs = [ curl ];
-
-  makeCmd = ''
-    make -f posix.mak all DMD_DIR=dmd DMD=${ldc.out}/bin/ldmd2 CC=${stdenv.cc}/bin/cc
-  '';
-
-  buildPhase = ''
-    $makeCmd
-  '';
-
-  doCheck = true;
-
-  checkPhase = ''
-      $makeCmd test_rdmd
-    '';
-
-  installPhase = ''
-      $makeCmd INSTALL_DIR=$out install
-  '';
-
-  meta = with lib; {
-    description = "Ancillary tools for the D programming language compiler";
-    homepage = "https://github.com/dlang/tools";
-    license = lib.licenses.boost;
-    maintainers = with maintainers; [ ThomasMader ];
-    platforms = lib.platforms.unix;
-  };
-}
+import ./package.nix
diff --git a/nix-overlays/dtools/disabled-tests.diff b/nix-overlays/dtools/disabled-tests.diff
new file mode 100644
index 0000000..a22825a
--- /dev/null
+++ b/nix-overlays/dtools/disabled-tests.diff
@@ -0,0 +1,11 @@
+--- a/rdmd_test.d
++++ b/rdmd_test.d
+@@ -616,7 +616,7 @@ void runTests(string rdmdApp, string compiler, string model)
+         enforce(res.status == 1, res.output);
+     }
+ 
+-    version (Posix)
++    version (none)
+     {
+         import std.conv : to;
+         auto makeVersion = execute(["make", "--version"]).output.splitLines()[0];
diff --git a/nix-overlays/dtools/fix-ldc-arm64.diff b/nix-overlays/dtools/fix-ldc-arm64.diff
new file mode 100644
index 0000000..66eaa22
--- /dev/null
+++ b/nix-overlays/dtools/fix-ldc-arm64.diff
@@ -0,0 +1,102 @@
+Adapted from https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch
+--- /dev/null
++++ b/osmodel.mak
+@@ -0,0 +1,75 @@
++#   osmodel.mak
++#
++# Detects and sets the macros:
++#
++#   OS         = one of {osx,linux,freebsd,openbsd,netbsd,dragonflybsd,solaris}
++#   MODEL      = one of { 32, 64 }
++#   MODEL_FLAG = one of { -m32, -m64 }
++#   ARCH       = one of { x86, x86_64, aarch64 }
++#
++# Note:
++#   Keep this file in sync between druntime, phobos, and dmd repositories!
++# Source: https://github.com/dlang/dmd/blob/master/src/osmodel.mak
++
++
++ifeq (,$(OS))
++  uname_S:=$(shell uname -s)
++  ifeq (Darwin,$(uname_S))
++    OS:=osx
++  endif
++  ifeq (Linux,$(uname_S))
++    OS:=linux
++  endif
++  ifeq (FreeBSD,$(uname_S))
++    OS:=freebsd
++  endif
++  ifeq (OpenBSD,$(uname_S))
++    OS:=openbsd
++  endif
++  ifeq (NetBSD,$(uname_S))
++    OS:=netbsd
++  endif
++  ifeq (DragonFly,$(uname_S))
++    OS:=dragonflybsd
++  endif
++  ifeq (Solaris,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (SunOS,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (,$(OS))
++    $(error Unrecognized or unsupported OS for uname: $(uname_S))
++  endif
++endif
++
++# When running make from XCode it may set environment var OS=MACOS.
++# Adjust it here:
++ifeq (MACOS,$(OS))
++  OS:=osx
++endif
++
++ifeq (,$(MODEL))
++  ifeq ($(OS), solaris)
++    uname_M:=$(shell isainfo -n)
++  else
++    uname_M:=$(shell uname -m)
++  endif
++  ifneq (,$(findstring $(uname_M),x86_64 amd64))
++    MODEL:=64
++    ARCH:=x86_64
++  endif
++  ifneq (,$(findstring $(uname_M),aarch64 arm64))
++    MODEL:=64
++    ARCH:=aarch64
++  endif
++  ifneq (,$(findstring $(uname_M),i386 i586 i686))
++    MODEL:=32
++    ARCH:=x86
++  endif
++  ifeq (,$(MODEL))
++    $(error Cannot figure 32/64 model and arch from uname -m: $(uname_M))
++  endif
++endif
++
++MODEL_FLAG:=-m$(MODEL)
+--- a/Makefile
++++ b/Makefile
+@@ -9,9 +9,8 @@ DUB=dub
+ WITH_DOC = no
+ DOC = ../dlang.org
+ 
+-# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile from dmd
+-$(shell [ ! -d $(DMD_DIR) ] && git clone --depth=1 https://github.com/dlang/dmd $(DMD_DIR))
+-include $(DMD_DIR)/compiler/src/osmodel.mak
++# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile
++include osmodel.mak
+ 
+ ifeq (windows,$(OS))
+     DOTEXE:=.exe
+@@ -30,7 +29,7 @@ DFLAGS = $(MODEL_FLAG) $(if $(findstring windows,$(OS)),,-fPIC) -preview=dip1000
+ DFLAGS += $(WARNINGS)
+ 
+ # Default DUB flags (DUB uses a different architecture format)
+-DUBFLAGS = --arch=$(subst 32,x86,$(subst 64,x86_64,$(MODEL)))
++DUBFLAGS = --arch=$(ARCH)
+ 
+ TOOLS = \
+     $(ROOT)/catdoc$(DOTEXE) \
diff --git a/nix-overlays/dtools/package.nix b/nix-overlays/dtools/package.nix
new file mode 100644
index 0000000..2e72b44
--- /dev/null
+++ b/nix-overlays/dtools/package.nix
@@ -0,0 +1,49 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  ldc,
+  curl,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "dtools";
+  version = "2.110.0";
+
+  src = fetchFromGitHub {
+    owner = "dlang";
+    repo = "tools";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-xMEHnrstL5hAkhp8+/z1I2KZWZ7eztWZnUGLTKCfbBI=";
+    name = "dtools";
+  };
+
+  patches = [
+    # Disable failing tests
+    ./disabled-tests.diff
+    # Fix LDC arm64 build
+    ./fix-ldc-arm64.diff
+  ];
+
+  nativeBuildInputs = [ ldc ];
+  buildInputs = [ curl ];
+
+  makeFlags = [
+    "CC=${stdenv.cc}/bin/cc"
+    "DMD=${ldc.out}/bin/ldmd2"
+    "INSTALL_DIR=$(out)"
+  ];
+
+  enableParallelBuilding = true;
+
+  doCheck = true;
+  checkTarget = "test_rdmd";
+
+  meta = with lib; {
+    description = "Ancillary tools for the D programming language";
+    homepage = "https://github.com/dlang/tools";
+    license = licenses.boost;
+    maintainers = with maintainers; [ jtbx ];
+    platforms = platforms.unix;
+  };
+})
diff --git a/nix-overlays/dub/package.nix b/nix-overlays/dub/package.nix
index f13adec..1ac054c 100644
--- a/nix-overlays/dub/package.nix
+++ b/nix-overlays/dub/package.nix
@@ -1,18 +1,19 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, curl
-, ldc
-, dcompiler ? ldc
-, libevent
-, rsync
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  curl,
+  ldc,
+  dcompiler ? ldc,
+  libevent,
+  rsync,
 }:
 
 assert dcompiler != null;
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "dub";
-  version = "1.38.1";
+  version = "1.39.0";
 
   enableParallelBuilding = true;
 
@@ -20,7 +21,7 @@ stdenv.mkDerivation (finalAttrs: {
     owner = "dlang";
     repo = "dub";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-8Lr/0sx4SKwU1aNOxZArta0RXpDM+EWl29ZsPDdPWFo=";
+    hash = "sha256-73b15A9+hClD6IbuxTy9QZKpTKjUFYBuqGOclUyhrnM=";
   };
 
   postPatch = ''
diff --git a/nix-overlays/ldc/bootstrap.nix b/nix-overlays/ldc/bootstrap.nix
index d81e5a4..8f76b5b 100644
--- a/nix-overlays/ldc/bootstrap.nix
+++ b/nix-overlays/ldc/bootstrap.nix
@@ -1,4 +1,13 @@
-{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
+{
+  lib,
+  stdenv,
+  fetchurl,
+  curl,
+  tzdata,
+  autoPatchelfHook,
+  fixDarwinDylibNames,
+  libxml2,
+}:
 
 let
   inherit (stdenv) hostPlatform;
diff --git a/nix-overlays/ldc/package.nix b/nix-overlays/ldc/package.nix
index c20084c..39b510a 100644
--- a/nix-overlays/ldc/package.nix
+++ b/nix-overlays/ldc/package.nix
@@ -1,26 +1,27 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, cmake
-, ninja
-, llvm_19
-, curl
-, tzdata
-, lit
-, gdb
-, unzip
-, darwin
-, callPackage
-, makeWrapper
-, runCommand
-, writeText
-, targetPackages
-
-, ldcBootstrap ? callPackage ./bootstrap.nix { }
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  ninja,
+  llvm_19,
+  curl,
+  tzdata,
+  lit,
+  gdb,
+  unzip,
+  darwin,
+  callPackage,
+  makeWrapper,
+  runCommand,
+  writeText,
+  targetPackages,
+
+  ldcBootstrap ? callPackage ./bootstrap.nix { },
 }:
 
 let
-  pathConfig = runCommand "ldc-lib-paths" {} ''
+  pathConfig = runCommand "ldc-lib-paths" { } ''
     mkdir $out
     echo ${tzdata}/share/zoneinfo/ > $out/TZDatabaseDirFile
     echo ${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary} > $out/LibcurlPathFile
@@ -30,13 +31,13 @@ in
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "ldc";
-  version = "1.40.0";
+  version = "1.40.1";
 
   src = fetchFromGitHub {
     owner = "ldc-developers";
     repo = "ldc";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-LT85DlAebecPpBUgZP0ayKTVrTUqN6DMJVEWTatLOxY=";
+    hash = "sha256-WdnwdH25A5oMNNY3uWG2hxnaAT+S1hNuP7LElH3uuuk=";
     fetchSubmodules = true;
   };
 
@@ -106,8 +107,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   # https://github.com/ldc-developers/ldc/issues/2497#issuecomment-459633746
-  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin
-    "|druntime-test-shared";
+  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin "|druntime-test-shared";
 
   checkPhase = ''
     # Build default lib test runners
@@ -147,34 +147,35 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   passthru.ldcBootstrap = ldcBootstrap;
-  passthru.tests = let
-    ldc = finalAttrs.finalPackage;
-    helloWorld = stdenv.mkDerivation (finalAttrs: {
-      name = "ldc-hello-world";
-      src = writeText "hello_world.d" ''
-        module hello_world;
-        import std.stdio;
-        void main() {
-          writeln("Hello, world!");
-        }
-      '';
-      dontUnpack = true;
-      buildInputs = [ ldc ];
-      dFlags = [];
-      buildPhase = ''
-        ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
-      '';
-      installPhase = ''
-        mkdir -p $out/bin
-        mv test $out/bin
-      '';
-    });
-  in {
-    # Without -shared, built binaries should not contain
-    # references to the compiler binaries.
-    no-references-to-compiler = helloWorld.overrideAttrs {
-      disallowedReferences = [ ldc ];
-      dFlags = ["-g"];
+  passthru.tests =
+    let
+      ldc = finalAttrs.finalPackage;
+      helloWorld = stdenv.mkDerivation (finalAttrs: {
+        name = "ldc-hello-world";
+        src = writeText "hello_world.d" ''
+          module hello_world;
+          import std.stdio;
+          void main() {
+            writeln("Hello, world!");
+          }
+        '';
+        dontUnpack = true;
+        buildInputs = [ ldc ];
+        dFlags = [ ];
+        buildPhase = ''
+          ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
+        '';
+        installPhase = ''
+          mkdir -p $out/bin
+          mv test $out/bin
+        '';
+      });
+    in {
+      # Without -shared, built binaries should not contain
+      # references to the compiler binaries.
+      no-references-to-compiler = helloWorld.overrideAttrs {
+        disallowedReferences = [ ldc ];
+        dFlags = ["-g"];
     };
   };
 })
diff --git a/org/nix-develop-dlang-shared.org b/org/nix-develop-dlang-shared.org
index b1611a4..f0a7aac 100644
--- a/org/nix-develop-dlang-shared.org
+++ b/org/nix-develop-dlang-shared.org
@@ -94,24 +94,44 @@ sha256 = "<<ldc-hash>>";
 
 #+NAME: ldc-version
 #+BEGIN_SRC org
-<<ldc_version_1_40_0>>
+<<ldc_version_1_40_1>>
 #+END_SRC
 
 #+NAME: ldc-hash
 #+BEGIN_SRC org
-<<ldc_hash_1_40_0>>
+<<ldc_hash_1_40_1>>
 #+END_SRC
 
 #+NAME: ldc-llvm-set
 #+BEGIN_SRC org
-<<ldc_llvm_set_1_40_0>>
+<<ldc_llvm_set_1_40_1>>
 #+END_SRC
 
 *** versions
 **** 1.40 OK ✓
+***** 1.40.1 OK ✓
+
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.1.tar.gz
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
+
+#+NAME: ldc_version_1_40_1
+#+BEGIN_SRC nix
+1.40.1
+#+END_SRC
+
+#+NAME: ldc_hash_1_40_1
+#+BEGIN_SRC nix
+sha256-WdnwdH25A5oMNNY3uWG2hxnaAT+S1hNuP7LElH3uuuk=
+#+END_SRC
+
+#+NAME: ldc_llvm_set_1_40_1
+#+BEGIN_SRC nix
+llvm_19
+#+END_SRC
+
 ***** 1.40.0 OK ✓
 
- - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.0-beta6.tar.gz
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.40.0.tar.gz
  - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
 
 #+NAME: ldc_version_1_40_0
@@ -240,6 +260,26 @@ sha256-/bs3bwgkLZF5IqaiKnc5gCF/r6MQBG/F1kWUkK8j2s0=
 #+END_SRC
 
 *** versions
+**** 2.111.0 OK ✓
+
+- nix-prefetch-url --unpack https://github.com/dlang/dmd/archive/refs/tags/v2.111.0-beta.1.tar.gz
+- nix-prefetch-url --unpack https://github.com/dlang/phobos/archive/refs/tags/v2.111.0-beta.1.tar.gz
+
+#+NAME: dmd_version_2_111_0
+#+BEGIN_SRC nix
+2.111.0-beta.1
+#+END_SRC
+
+#+NAME: phobos_hash_2_111_0
+#+BEGIN_SRC nix
+sha256-yPmstS52J0BboR++9nYaeUq2mAJrFuUjxxi2BGgGCUY=
+#+END_SRC
+
+#+NAME: dmd_hash_2_111_0
+#+BEGIN_SRC nix
+sha256-MfGcno6o+GXZTWyWZ0kGYtMcMPuj2VgQd5I+nPKz1I4=
+#+END_SRC
+
 **** 2.110.0 OK ✓
 
 - nix-prefetch-url --unpack https://github.com/dlang/dmd/archive/refs/tags/v2.110.0.tar.gz
@@ -381,15 +421,30 @@ sha256-yRL9ub3u4mREG9PVxBvgQ/LDXD57RadPTZ2h08qyh/s=
 #+NAME: dub-version
 #+HEADER: :noweb yes
 #+BEGIN_SRC org
-<<dub_version_1_38_1>>
+<<dub_version_1_39_0>>
 #+END_SRC
 
 #+NAME: dub-hash
 #+BEGIN_SRC org
-<<dub_hash_1_38_1>>
+<<dub_hash_1_39_0>>
 #+END_SRC
 
 *** versions
+**** 1.39 OK ✓
+***** 1.39.0
+
+- nix-prefetch-url --unpack https://github.com/dlang/dub/archive/refs/tags/v1.39.0.tar.gz
+
+#+NAME: dub_version_1_39_0
+#+BEGIN_SRC nix
+1.39.0
+#+END_SRC
+
+#+NAME: dub_hash_1_39_0
+#+BEGIN_SRC nix
+sha256-73b15A9+hClD6IbuxTy9QZKpTKjUFYBuqGOclUyhrnM=
+#+END_SRC
+
 **** 1.38 OK ✓
 ***** 1.38.1
 
@@ -502,61 +557,66 @@ sha256-5pW3Fu3PQ1ZLJnsuh7fPpEBNbVQgGfFyiuMrAVOJKQA=
 
 #+NAME: dtools-version
 #+BEGIN_SRC org
-<<dtools_version_2_103_1>>
+<<dtools_version_2_110_0>>
 #+END_SRC
 
 #+NAME: dtools-hash
 #+BEGIN_SRC org
-<<dtools_hash_2_103_1>>
+<<dtools_hash_2_110_0>>
 #+END_SRC
 
 *** versions
-**** 2.103.1 OK ✓
+**** 2.110.0 OK ✓
 
-- https://github.com/dlang/tools/releases/tag/v2.103.1
+- https://github.com/dlang/tools/releases/tag/v2.110.0
 
-#+NAME: dtools_version_2_103_1
+#+NAME: dtools_version_2_110_0
 #+BEGIN_SRC nix
-2.103.1
+2.110.0
 #+END_SRC
 
-#+NAME: dtools_hash_2_103_1
+#+NAME: dtools_hash_2_110_0
 #+BEGIN_SRC nix
-sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=
+sha256-xMEHnrstL5hAkhp8+/z1I2KZWZ7eztWZnUGLTKCfbBI=
 #+END_SRC
 
-**** 2.102.2
+**** 2.109.1 OK ✓
 
-- https://github.com/dlang/tools/releases/tag/v2.102.2
+- https://github.com/dlang/tools/releases/tag/v2.109.1
 
-#+NAME: dtools_version_2_102_2
+#+NAME: dtools_version_2_109_1
 #+BEGIN_SRC nix
-2.102.2
+2.109.1
 #+END_SRC
 
-#+NAME: dtools_hash_2_102_2
+#+NAME: dtools_hash_2_109_1
 #+BEGIN_SRC nix
-sha256-XM4gUxcarQCOBR8W/o0iWAI54PyLDkH6CsDce22Cnu4=
+sha256-Pfj8Kwf5AlcrHhLs5A/0vIFWLZaNR3ro+esbs7oWN9I=
 #+END_SRC
 
-**** 2.095.1
+**** 2.104.1 OK ✓
 
-- https://github.com/dlang/tools/releases/tag/v2.095.1
+- https://github.com/dlang/tools/releases/tag/v2.104.2
 
-#+NAME: dtools_version_2_095_1
+#+NAME: dtools_version_2_104_2
 #+BEGIN_SRC nix
-2.095.1
+2.104.2
 #+END_SRC
 
-#+NAME: dtools_hash_2_095_1
+#+NAME: dtools_hash_2_104_2
 #+BEGIN_SRC nix
-sha256:0rdfk3mh3fjrb0h8pr8skwlq6ac9hdl1fkrkdl7n1fa2806b740b
+sha256-Pfj8Kwf5AlcrHhLs5A/0vIFWLZaNR3ro+esbs7oWN9I=
 #+END_SRC
 
 ** sha256 blank_hash
 
 #+NAME: blank_hash
 #+BEGIN_SRC nix
+<<sha256-blank>>
+#+END_SRC
+
+#+NAME: sha256-blank
+#+BEGIN_SRC nix
 sha256-0000000000000000000000000000000000000000000=
 #+END_SRC
 
diff --git a/org/nixpkgs_overlays_d_related.org b/org/nixpkgs_overlays_d_related.org
index c4e39f4..1d20dd0 100644
--- a/org/nixpkgs_overlays_d_related.org
+++ b/org/nixpkgs_overlays_d_related.org
@@ -285,12 +285,6 @@ use flake .
 #use flake .#default
 #+END_SRC
 
-#+BEGIN_SRC shell
-- https://github.com/nix-community/nix-direnv
-NixDirEnvSHA="sha256-0000000000000000000000000000000000000000000="
-direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc
-#+END_SRC
-
 ** .nix
 *** flake.nix
 
@@ -350,32 +344,34 @@ direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/${Nix
           inherit shell;
           inherit devEnv;
           packages = [
-            gnumake
             ldc
             dub
             dtools
+            gnumake
           ];
           inherit shellHook;
         };
         dsh-overlay-ldc-dub = mkShell {
-          name = "overlay - ldc-<<ldc_version>> - dub-<<dub_version>>";
+          name = "overlay - ldc-<<ldc_version>> - dub-<<dub_version>> - dtools-<<dtools_version>>";
           inherit shell;
           inherit devEnv;
           packages = [
-            gnumake
             ldc
             dub
+            dtools
+            gnumake
           ];
           inherit shellHook;
         };
         dsh-overlay-dmd-dub = mkShell {
-          name = "overlay - dmd-<<dmd_version>> - dub-<<dub_version>>";
+          name = "overlay - dmd-<<dmd_version>> - dub-<<dub_version>> - dtools-<<dtools_version>>";
           inherit shell;
           inherit devEnv;
           packages = [
-            gnumake
             dmd
             dub
+            dtools
+            gnumake
           ];
           inherit shellHook;
         };
@@ -384,11 +380,12 @@ direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/${Nix
           inherit shell;
           inherit devEnv;
           packages = [
-            gnumake
             ldc
             gtkd
             tilix
             dub
+            dtools
+            gnumake
           ];
           inherit shellHook;
         };
@@ -397,9 +394,10 @@ direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/${Nix
         #  inherit shell;
         #  inherit devEnv;
         #  packages = [
-        #    gnumake
         #    gdc
         #    dub
+        #    dtools
+        #    gnumake
         #  ];
         #  inherit shellHook;
         #};
@@ -410,6 +408,7 @@ direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/${Nix
           packages = with pkgs-nix; [
             ldc
             dub
+            dtools
             gnumake
           ];
           inherit shellHook;
@@ -421,6 +420,7 @@ direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/${Nix
           packages = with pkgs-nix; [
             dmd
             dub
+            dtools
             gnumake
           ];
           inherit shellHook;
@@ -501,41 +501,42 @@ pkgs.callPackage ./shell.nix {}
 
 - OK ldc 1.32.2 tested
 
-*** overlays
-**** default.nix OK ✓
+*** overlays OK ✓
+**** default.nix
 
 #+HEADER: :tangle "../nix-overlays/ldc/default.nix"
 #+BEGIN_SRC nix
 import ./package.nix
 #+END_SRC
 
-**** package.nix OK ✓ (unaltered)
+**** package.nix OK ✓
 
 #+HEADER: :tangle "../nix-overlays/ldc/package.nix"
 #+BEGIN_SRC nix
-{ lib
-, stdenv
-, fetchFromGitHub
-, cmake
-, ninja
-, <<ldc_llvm_set>>
-, curl
-, tzdata
-, lit
-, gdb
-, unzip
-, darwin
-, callPackage
-, makeWrapper
-, runCommand
-, writeText
-, targetPackages
-
-, ldcBootstrap ? callPackage ./bootstrap.nix { }
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  ninja,
+  <<ldc_llvm_set>>,
+  curl,
+  tzdata,
+  lit,
+  gdb,
+  unzip,
+  darwin,
+  callPackage,
+  makeWrapper,
+  runCommand,
+  writeText,
+  targetPackages,
+
+  ldcBootstrap ? callPackage ./bootstrap.nix { },
 }:
 
 let
-  pathConfig = runCommand "ldc-lib-paths" {} ''
+  pathConfig = runCommand "ldc-lib-paths" { } ''
     mkdir $out
     echo ${tzdata}/share/zoneinfo/ > $out/TZDatabaseDirFile
     echo ${curl.out}/lib/libcurl${stdenv.hostPlatform.extensions.sharedLibrary} > $out/LibcurlPathFile
@@ -621,8 +622,7 @@ stdenv.mkDerivation (finalAttrs: {
   '';
 
   # https://github.com/ldc-developers/ldc/issues/2497#issuecomment-459633746
-  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin
-    "|druntime-test-shared";
+  additionalExceptions = lib.optionalString stdenv.hostPlatform.isDarwin "|druntime-test-shared";
 
   checkPhase = ''
     # Build default lib test runners
@@ -662,34 +662,35 @@ stdenv.mkDerivation (finalAttrs: {
   };
 
   passthru.ldcBootstrap = ldcBootstrap;
-  passthru.tests = let
-    ldc = finalAttrs.finalPackage;
-    helloWorld = stdenv.mkDerivation (finalAttrs: {
-      name = "ldc-hello-world";
-      src = writeText "hello_world.d" ''
-        module hello_world;
-        import std.stdio;
-        void main() {
-          writeln("Hello, world!");
-        }
-      '';
-      dontUnpack = true;
-      buildInputs = [ ldc ];
-      dFlags = [];
-      buildPhase = ''
-        ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
-      '';
-      installPhase = ''
-        mkdir -p $out/bin
-        mv test $out/bin
-      '';
-    });
-  in {
-    # Without -shared, built binaries should not contain
-    # references to the compiler binaries.
-    no-references-to-compiler = helloWorld.overrideAttrs {
-      disallowedReferences = [ ldc ];
-      dFlags = ["-g"];
+  passthru.tests =
+    let
+      ldc = finalAttrs.finalPackage;
+      helloWorld = stdenv.mkDerivation (finalAttrs: {
+        name = "ldc-hello-world";
+        src = writeText "hello_world.d" ''
+          module hello_world;
+          import std.stdio;
+          void main() {
+            writeln("Hello, world!");
+          }
+        '';
+        dontUnpack = true;
+        buildInputs = [ ldc ];
+        dFlags = [ ];
+        buildPhase = ''
+          ldc2 ${lib.escapeShellArgs finalAttrs.dFlags} -of=test $src
+        '';
+        installPhase = ''
+          mkdir -p $out/bin
+          mv test $out/bin
+        '';
+      });
+    in {
+      # Without -shared, built binaries should not contain
+      # references to the compiler binaries.
+      no-references-to-compiler = helloWorld.overrideAttrs {
+        disallowedReferences = [ ldc ];
+        dFlags = ["-g"];
     };
   };
 })
@@ -701,7 +702,16 @@ stdenv.mkDerivation (finalAttrs: {
 
 #+HEADER: :tangle "../nix-overlays/ldc/bootstrap.nix"
 #+BEGIN_SRC nix
-{ lib, stdenv, fetchurl, curl, tzdata, autoPatchelfHook, fixDarwinDylibNames, libxml2 }:
+{
+  lib,
+  stdenv,
+  fetchurl,
+  curl,
+  tzdata,
+  autoPatchelfHook,
+  fixDarwinDylibNames,
+  libxml2,
+}:
 
 let
   inherit (stdenv) hostPlatform;
@@ -797,10 +807,17 @@ hashes = {
 
 *** overlays
 **** default.nix
-***** default.nix  >=2.108.0)
 
 #+HEADER: :tangle "../nix-overlays/dmd/default.nix"
 #+BEGIN_SRC nix
+import ./package.nix
+#+END_SRC
+
+**** package.nix OK ✓
+***** package.nix  >=2.108.0)
+
+#+HEADER: :tangle "../nix-overlays/dmd/package.nix"
+#+BEGIN_SRC nix
 import ./generic.nix {
   version = "<<dmd_version>>";
   dmdHash = "<<dmd_hash>>";
@@ -808,10 +825,9 @@ import ./generic.nix {
 }
 #+END_SRC
 
-***** default.nix  < 2.108.0)
-
+***** package.nix  < 2.108.0)
 
-#+HEADER: :tangle-NO "../nix-overlays/dmd/default.nix"
+#+HEADER: :tangle-NO "../nix-overlays/dmd/package.nix"
 #+BEGIN_SRC nix
 import ./generic.nix {
   version = "<<dmd_version>>";
@@ -824,31 +840,33 @@ import ./generic.nix {
 
 #+HEADER: :tangle "../nix-overlays/dmd/generic.nix"
 #+BEGIN_SRC nix
-{ version
-, dmdHash
-, phobosHash
+{
+  version,
+  dmdHash,
+  phobosHash,
 }:
 
-{ stdenv
-, lib
-, fetchFromGitHub
-, removeReferencesTo
-, makeWrapper
-, which
-, writeTextFile
-, curl
-, tzdata
-, gdb
-#, Foundation
-, callPackage
-, targetPackages
-, fetchpatch
-, bash
-, installShellFiles
-, git
-, unzip
-, dmdBootstrap ? callPackage ./bootstrap.nix { }
-, dmdBin ? "${dmdBootstrap}/bin"
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+  removeReferencesTo,
+  makeWrapper,
+  which,
+  writeTextFile,
+  curl,
+  tzdata,
+  gdb,
+  # Foundation,
+  callPackage,
+  targetPackages,
+  fetchpatch,
+  bash,
+  installShellFiles,
+  git,
+  unzip,
+  dmdBootstrap ? callPackage ./bootstrap.nix { },
+  dmdBin ? "${dmdBootstrap}/bin",
 }:
 
 let
@@ -862,11 +880,8 @@ let
   };
 
   bits = builtins.toString stdenv.hostPlatform.parsed.cpu.bits;
-  osname =
-    if stdenv.hostPlatform.isDarwin then
-      "osx"
-    else
-      stdenv.hostPlatform.parsed.kernel.name;
+  osname = if stdenv.hostPlatform.isDarwin then "osx"
+    else stdenv.hostPlatform.parsed.kernel.name;
 
   pathToDmd = "\${NIX_BUILD_TOP}/dmd/generated/${osname}/release/${bits}/dmd";
 in
@@ -1181,23 +1196,26 @@ stdenv.mkDerivation {
 - OK dub == 1.30.0 OK ✓
 
 *** overlays
-**** default.nix OK ✓
+**** default.nix
 
 #+HEADER: :tangle "../nix-overlays/dub/default.nix"
 #+BEGIN_SRC nix
 import ./package.nix
 #+END_SRC
 
+**** package.nix OK ✓
+
 #+HEADER: :tangle "../nix-overlays/dub/package.nix"
 #+BEGIN_SRC nix
-{ lib
-, stdenv
-, fetchFromGitHub
-, curl
-, <<dcompiler>>
-, dcompiler ? <<dcompiler>>
-, libevent
-, rsync
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  curl,
+  <<dcompiler>>,
+  dcompiler ? <<dcompiler>>,
+  libevent,
+  rsync,
 }:
 
 assert dcompiler != null;
@@ -1317,57 +1335,183 @@ dmd
 
 #+HEADER: :tangle "../nix-overlays/dtools/default.nix"
 #+BEGIN_SRC nix
-{ stdenv, lib, fetchFromGitHub, fetchpatch, ldc, curl, gnumake42 }:
+import ./package.nix
+#+END_SRC
+
+**** package.nix
+
+#+HEADER: :tangle "../nix-overlays/dtools/package.nix"
+#+BEGIN_SRC nix
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  ldc,
+  curl,
+}:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "dtools";
   version = "<<dtools_version>>";
 
   src = fetchFromGitHub {
     owner = "dlang";
     repo = "tools";
-    rev = "v${version}";
-    sha256 = "<<dtools_hash>>";
+    rev = "v${finalAttrs.version}";
+    hash = "<<dtools_hash>>";
     name = "dtools";
   };
 
   patches = [
-    (fetchpatch {
-      # part of https://github.com/dlang/tools/pull/441
-      url = "https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch"; # Fix LDC arm64 build
-      sha256 = "sha256-x6EclTYN1Y5FG57KLhbBK0BZicSYcZoWO7MTVcP4T18=";
-    })
+    # Disable failing tests
+    ./disabled-tests.diff
+    # Fix LDC arm64 build
+    ./fix-ldc-arm64.diff
   ];
 
-  nativeBuildInputs = [ ldc gnumake42 ]; # fails with make 4.4
+  nativeBuildInputs = [ ldc ];
   buildInputs = [ curl ];
 
-  makeCmd = ''
-    make -f posix.mak all DMD_DIR=dmd DMD=${ldc.out}/bin/ldmd2 CC=${stdenv.cc}/bin/cc
-  '';
+  makeFlags = [
+    "CC=${stdenv.cc}/bin/cc"
+    "DMD=${ldc.out}/bin/ldmd2"
+    "INSTALL_DIR=$(out)"
+  ];
 
-  buildPhase = ''
-    $makeCmd
-  '';
+  enableParallelBuilding = true;
 
   doCheck = true;
-
-  checkPhase = ''
-      $makeCmd test_rdmd
-    '';
-
-  installPhase = ''
-      $makeCmd INSTALL_DIR=$out install
-  '';
+  checkTarget = "test_rdmd";
 
   meta = with lib; {
-    description = "Ancillary tools for the D programming language compiler";
+    description = "Ancillary tools for the D programming language";
     homepage = "https://github.com/dlang/tools";
-    license = lib.licenses.boost;
-    maintainers = with maintainers; [ ThomasMader ];
-    platforms = lib.platforms.unix;
+    license = licenses.boost;
+    maintainers = with maintainers; [ jtbx ];
+    platforms = platforms.unix;
   };
-}
+})
+#+END_SRC
+
+#+HEADER: :tangle "../nix-overlays/dtools/disabled-tests.diff"
+#+BEGIN_SRC diff
+--- a/rdmd_test.d
++++ b/rdmd_test.d
+@@ -616,7 +616,7 @@ void runTests(string rdmdApp, string compiler, string model)
+         enforce(res.status == 1, res.output);
+     }
+ 
+-    version (Posix)
++    version (none)
+     {
+         import std.conv : to;
+         auto makeVersion = execute(["make", "--version"]).output.splitLines()[0];
+#+END_SRC
+
+#+HEADER: :tangle "../nix-overlays/dtools/fix-ldc-arm64.diff"
+#+BEGIN_SRC diff
+Adapted from https://github.com/dlang/tools/commit/6c6a042d1b08e3ec1790bd07a7f69424625ee866.patch
+--- /dev/null
++++ b/osmodel.mak
+@@ -0,0 +1,75 @@
++#   osmodel.mak
++#
++# Detects and sets the macros:
++#
++#   OS         = one of {osx,linux,freebsd,openbsd,netbsd,dragonflybsd,solaris}
++#   MODEL      = one of { 32, 64 }
++#   MODEL_FLAG = one of { -m32, -m64 }
++#   ARCH       = one of { x86, x86_64, aarch64 }
++#
++# Note:
++#   Keep this file in sync between druntime, phobos, and dmd repositories!
++# Source: https://github.com/dlang/dmd/blob/master/src/osmodel.mak
++
++
++ifeq (,$(OS))
++  uname_S:=$(shell uname -s)
++  ifeq (Darwin,$(uname_S))
++    OS:=osx
++  endif
++  ifeq (Linux,$(uname_S))
++    OS:=linux
++  endif
++  ifeq (FreeBSD,$(uname_S))
++    OS:=freebsd
++  endif
++  ifeq (OpenBSD,$(uname_S))
++    OS:=openbsd
++  endif
++  ifeq (NetBSD,$(uname_S))
++    OS:=netbsd
++  endif
++  ifeq (DragonFly,$(uname_S))
++    OS:=dragonflybsd
++  endif
++  ifeq (Solaris,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (SunOS,$(uname_S))
++    OS:=solaris
++  endif
++  ifeq (,$(OS))
++    $(error Unrecognized or unsupported OS for uname: $(uname_S))
++  endif
++endif
++
++# When running make from XCode it may set environment var OS=MACOS.
++# Adjust it here:
++ifeq (MACOS,$(OS))
++  OS:=osx
++endif
++
++ifeq (,$(MODEL))
++  ifeq ($(OS), solaris)
++    uname_M:=$(shell isainfo -n)
++  else
++    uname_M:=$(shell uname -m)
++  endif
++  ifneq (,$(findstring $(uname_M),x86_64 amd64))
++    MODEL:=64
++    ARCH:=x86_64
++  endif
++  ifneq (,$(findstring $(uname_M),aarch64 arm64))
++    MODEL:=64
++    ARCH:=aarch64
++  endif
++  ifneq (,$(findstring $(uname_M),i386 i586 i686))
++    MODEL:=32
++    ARCH:=x86
++  endif
++  ifeq (,$(MODEL))
++    $(error Cannot figure 32/64 model and arch from uname -m: $(uname_M))
++  endif
++endif
++
++MODEL_FLAG:=-m$(MODEL)
+--- a/Makefile
++++ b/Makefile
+@@ -9,9 +9,8 @@ DUB=dub
+ WITH_DOC = no
+ DOC = ../dlang.org
+ 
+-# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile from dmd
+-$(shell [ ! -d $(DMD_DIR) ] && git clone --depth=1 https://github.com/dlang/dmd $(DMD_DIR))
+-include $(DMD_DIR)/compiler/src/osmodel.mak
++# Load operating system $(OS) (e.g. linux, osx, ...) and $(MODEL) (e.g. 32, 64) detection Makefile
++include osmodel.mak
+ 
+ ifeq (windows,$(OS))
+     DOTEXE:=.exe
+@@ -30,7 +29,7 @@ DFLAGS = $(MODEL_FLAG) $(if $(findstring windows,$(OS)),,-fPIC) -preview=dip1000
+ DFLAGS += $(WARNINGS)
+ 
+ # Default DUB flags (DUB uses a different architecture format)
+-DUBFLAGS = --arch=$(subst 32,x86,$(subst 64,x86_64,$(MODEL)))
++DUBFLAGS = --arch=$(ARCH)
+ 
+ TOOLS = \
+     $(ROOT)/catdoc$(DOTEXE) \
 #+END_SRC
 
 ** versions SET
@@ -1455,4 +1599,16 @@ stdenv.mkDerivation rec {
 <<./nix-develop-dlang-shared.org:dtools-hash()>>
 #+END_SRC
 
+** sha256 blank_hash
+
+#+NAME: sha256-blank
+#+BEGIN_SRC nix
+<<./nix-develop-dlang-shared.org:sha256-blank()>>
+#+END_SRC
+
+#+NAME: blank_hash
+#+BEGIN_SRC nix
+<<./nix-develop-dlang-shared.org:sha256-blank()>>
+#+END_SRC
+
 * __END__