7 files changed, 92 insertions, 116 deletions
diff --git a/nixDevEnv/overlays/ldcVersion.nix b/nixDevEnv/overlays/ldcVersion.nix
index 5990004..5bc7f7a 100644
--- a/nixDevEnv/overlays/ldcVersion.nix
+++ b/nixDevEnv/overlays/ldcVersion.nix
@@ -1,9 +1,8 @@
 self: super: rec {
-  pname   = "ldc";
-  version = "1.24.0";
-  sha256  = "0g5svf55i0kq55q49awmwqj9qi1n907cyrn1vjdjgs8nx6nn35gx";
   ldc = super.ldc.overrideAttrs(oldAttrs: rec {
-    inherit pname version sha256;
+    pname   = "ldc";
+    version = "1.24.0";
+    sha256  = "0g5svf55i0kq55q49awmwqj9qi1n907cyrn1vjdjgs8nx6nn35gx";
     name = "${pname}-${version}";
     src = super.fetchurl {
       url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz";
diff --git a/nixDevEnv/shells/packages-ldc.nix b/nixDevEnv/shells/packages-ldc.nix
new file mode 100644
index 0000000..9874b74
--- /dev/null
+++ b/nixDevEnv/shells/packages-ldc.nix
@@ -0,0 +1,18 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  dub2nix-src = fetchTarball {
+    url = "https://github.com/lionello/dub2nix/archive/master.tar.gz";
+  };
+  dub2nix = (import dub2nix-src) { inherit pkgs; };
+in
+with pkgs; [
+  nix
+  dub
+  ninja
+  ldc
+  rdmd
+  sqlite
+  dub2nix
+  nix-prefetch-git
+  validatePkgConfig
+]
diff --git a/nixDevEnv/shells/shell-dmd-verNix.nix b/nixDevEnv/shells/shell-dmd-verNix.nix
index a673c35..7f16efe 100644
--- a/nixDevEnv/shells/shell-dmd-verNix.nix
+++ b/nixDevEnv/shells/shell-dmd-verNix.nix
@@ -1,12 +1,5 @@
-{ pkgs ? import <nixpkgs>
-  { overlays = [ ]; }
-}:
-let
-  dub2nix-src = fetchTarball {
-    url = "https://github.com/lionello/dub2nix/archive/master.tar.gz";
-  };
-  dub2nix = (import dub2nix-src) { inherit pkgs; };
-in pkgs.mkShell {
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
   buildInputs = with pkgs; [
     nix
     dub
diff --git a/nixDevEnv/shells/shell-dmd-verUser.nix b/nixDevEnv/shells/shell-dmd-verUser.nix
index a673c35..334aece 100644
--- a/nixDevEnv/shells/shell-dmd-verUser.nix
+++ b/nixDevEnv/shells/shell-dmd-verUser.nix
@@ -1,12 +1,7 @@
 { pkgs ? import <nixpkgs>
   { overlays = [ ]; }
 }:
-let
-  dub2nix-src = fetchTarball {
-    url = "https://github.com/lionello/dub2nix/archive/master.tar.gz";
-  };
-  dub2nix = (import dub2nix-src) { inherit pkgs; };
-in pkgs.mkShell {
+pkgs.mkShell {
   buildInputs = with pkgs; [
     nix
     dub
diff --git a/nixDevEnv/shells/shell-ldc-verNix.nix b/nixDevEnv/shells/shell-ldc-verNix.nix
index 094bfa7..0a6aa9a 100644
--- a/nixDevEnv/shells/shell-ldc-verNix.nix
+++ b/nixDevEnv/shells/shell-ldc-verNix.nix
@@ -1,19 +1,5 @@
-{ pkgs ? import <nixpkgs>
-  { overlays = [ ]; }
-}:
-let
-  dub2nix-src = fetchTarball {
-    url = "https://github.com/lionello/dub2nix/archive/master.tar.gz";
-  };
-  dub2nix = (import dub2nix-src) { inherit pkgs; };
-in pkgs.mkShell {
-  buildInputs = with pkgs; [
-    nix
-    dub
-    ldc
-    rdmd
-    sqlite
-    dub2nix
-    nix-prefetch-git
-  ];
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+  buildInputs = with pkgs;
+  [ (import ./packages-ldc.nix { inherit pkgs; }) ];
 }
diff --git a/nixDevEnv/shells/shell-ldc-verUser.nix b/nixDevEnv/shells/shell-ldc-verUser.nix
index 9d2c3e1..1c9c092 100644
--- a/nixDevEnv/shells/shell-ldc-verUser.nix
+++ b/nixDevEnv/shells/shell-ldc-verUser.nix
@@ -1,17 +1,7 @@
-{ pkgs ? import <nixpkgs> {}, }:
-let
-  dub2nix-src = fetchTarball {
-    url = "https://github.com/lionello/dub2nix/archive/master.tar.gz";
-  };
-  dub2nix = (import dub2nix-src) { inherit pkgs; };
-in pkgs.mkShell {
-  buildInputs = with pkgs; [
-    nix
-    dub
-    ldc
-    rdmd
-    sqlite
-    dub2nix
-    nix-prefetch-git
-  ];
+{ pkgs ? import <nixpkgs> {
+  overlays = [ (import ../overlays/ldcVersion.nix) ];
+} }:
+pkgs.mkShell {
+  buildInputs = with pkgs;
+  [ (import ./packages-ldc.nix { inherit pkgs; }) ];
 }
diff --git a/org/spine_build_scaffold.org b/org/spine_build_scaffold.org
index 39c275f..d5e8aa8 100644
--- a/org/spine_build_scaffold.org
+++ b/org/spine_build_scaffold.org
@@ -1810,14 +1810,8 @@ fi
 - ln -sf nixDevEnv/dub/mkDub-dmd.nix mkDub.nix
 
 #+BEGIN_SRC nix :tangle ../nixDevEnv/shells/shell-dmd-verNix.nix
-{ pkgs ? import <nixpkgs>
-  <<nix_shell_overlay_none>>
-}:
-let
-  <<nix_shell_dub2nix>>
-in pkgs.mkShell {
-  <<nix_shell_buildInputs_dmd>>
-}
+{ pkgs ? import <nixpkgs> {} }:
+<<nix_shell_mkshell_with_buildInputs_dmd>>
 #+END_SRC
 
 **** user
@@ -1826,14 +1820,8 @@ in pkgs.mkShell {
 - ln -sf nixDevEnv/dub/mkDub-dmd.nix mkDub.nix
 
 #+BEGIN_SRC nix :tangle ../nixDevEnv/shells/shell-dmd-verUser.nix
-{ pkgs ? import <nixpkgs>
-  <<nix_shell_overlay_user_version_dmd>>
-}:
-let
-  <<nix_shell_dub2nix>>
-in pkgs.mkShell {
-  <<nix_shell_buildInputs_dmd>>
-}
+<<nix_shell_overlay_user_version_dmd>>
+<<nix_shell_mkshell_with_buildInputs_dmd>>
 #+END_SRC
 
 *** ldc shell :ldc:
@@ -1849,14 +1837,8 @@ in pkgs.mkShell {
 - ln -sf nixDevEnv/dub/mkDub-ldc.nix mkDub.nix
 
 #+BEGIN_SRC nix :tangle ../nixDevEnv/shells/shell-ldc-verNix.nix
-{ pkgs ? import <nixpkgs>
-  <<nix_shell_overlay_none>>
-}:
-let
-  <<nix_shell_dub2nix>>
-in pkgs.mkShell {
-  <<nix_shell_buildInputs_ldc>>
-}
+{ pkgs ? import <nixpkgs> {} }:
+<<nix_shell_mkshell_with_buildInputs_ldc>>
 #+END_SRC
 
 **** user
@@ -1865,22 +1847,31 @@ in pkgs.mkShell {
 - ln -sf nixDevEnv/dub/mkDub-ldc.nix mkDub.nix
 
 #+BEGIN_SRC nix :tangle ../nixDevEnv/shells/shell-ldc-verUser.nix
-{ pkgs ? import <nixpkgs> {}, }:
-let
-  <<nix_shell_dub2nix>>
-in pkgs.mkShell {
-  <<nix_shell_buildInputs_ldc>>
-}
+<<nix_shell_overlay_user_version_ldc>>
+<<nix_shell_mkshell_with_buildInputs_ldc>>
 #+END_SRC
 
-- overlay header
+***** (import ./nixDevEnv/overlays/ldcVersion.nix)
 
+#+NAME: nix_shell_overlay_user_version_ldc
 #+BEGIN_SRC nix
-{ pkgs ? import <nixpkgs>
-  <<nix_shell_overlay_user_version_ldc>>
-}:
+{ pkgs ? import <nixpkgs> {
+  overlays = [ (import ../overlays/ldcVersion.nix) ];
+} }:
 #+END_SRC
 
+**** mkShell with build inputs
+
+#+NAME: nix_shell_mkshell_with_buildInputs_ldc
+#+BEGIN_SRC nix
+pkgs.mkShell {
+  buildInputs = with pkgs;
+  [ (import ./packages-ldc.nix { inherit pkgs; }) ];
+}
+#+END_SRC
+
+- overlay header
+
 *** parts
 **** dub2nix
 
@@ -1905,7 +1896,9 @@ no working overlay, default none:
 
 #+NAME: nix_shell_overlay_user_version_dmd
 #+BEGIN_SRC nix
-{ overlays = [ ]; }
+{ pkgs ? import <nixpkgs>
+  { overlays = [ ]; }
+}:
 #+END_SRC
 
 use if working overlay:
@@ -1916,41 +1909,44 @@ use if working overlay:
 ]; }
 #+END_SRC
 
-***** (import ./nixDevEnv/overlays/ldcVersion.nix)
-
-#+NAME: nix_shell_overlay_user_version_ldc
-#+BEGIN_SRC nix
-{ overlays = [
-  (import ../overlays/ldcVersion.nix)
-]; }
-#+END_SRC
-
 **** build inputs
 
-#+NAME: nix_shell_buildInputs_dmd
+#+NAME: nix_shell_mkshell_with_buildInputs_dmd
 #+BEGIN_SRC nix
-buildInputs = with pkgs; [
-  nix
-  dub
-  dmd
-  rdmd
-  sqlite
-  dub2nix
-  nix-prefetch-git
-];
+pkgs.mkShell {
+  buildInputs = with pkgs; [
+    nix
+    dub
+    dmd
+    rdmd
+    sqlite
+    dub2nix
+    nix-prefetch-git
+  ];
+}
 #+END_SRC
 
-#+NAME: nix_shell_buildInputs_ldc
-#+BEGIN_SRC nix
-buildInputs = with pkgs; [
+**** build inputs ldc
+
+#+BEGIN_SRC nix :tangle ../nixDevEnv/shells/packages-ldc.nix
+{ pkgs ? import <nixpkgs> {} }:
+let
+  dub2nix-src = fetchTarball {
+    url = "https://github.com/lionello/dub2nix/archive/master.tar.gz";
+  };
+  dub2nix = (import dub2nix-src) { inherit pkgs; };
+in
+with pkgs; [
   nix
   dub
+  ninja
   ldc
   rdmd
   sqlite
   dub2nix
   nix-prefetch-git
-];
+  validatePkgConfig
+]
 #+END_SRC
 
 *** shell with dmd & ldc :shell:
@@ -2291,10 +2287,9 @@ in {
 
 #+BEGIN_SRC nix :tangle ../nixDevEnv/overlays/ldcVersion.nix
 self: super: rec {
-  pname   = "ldc";
-  <<ldc_version_info>>
   ldc = super.ldc.overrideAttrs(oldAttrs: rec {
-    inherit pname version sha256;
+    pname   = "ldc";
+    <<ldc_version_info>>
     name = "${pname}-${version}";
     src = super.fetchurl {
       url = "https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz";
@@ -2313,10 +2308,10 @@ no working overlay, tangle to work on
 
 #+BEGIN_SRC nix :NO-tangle ../nixDevEnv/overlays/dmdVersion.nix
 self: super: rec {
+  pname   = "dmd";
   <<dmd_version_info>>
   dmd = super.dmd.overrideAttrs(oldAttrs: rec {
-    inherit year version sha256;
-    pname = oldAttrs.pname;
+    inherit pname year version sha256;
     name = "${pname}-${version}";
     src = super.fetchurl {
       url = "http://downloads.dlang.org/releases/${year}/dmd.${version}.linux.tar.xz";