From a9482cd9e883df85ae65bf9348b52dfbd9d9692a Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Thu, 5 Mar 2026 16:42:28 -0500
Subject:  nix direnv 3.1.0

---
 .envrc-nix                       |  9 +++++----
 org/config_env.org               |  1 +
 org/nix-develop-dlang-shared.org | 17 +++++++++++++++--
 3 files changed, 21 insertions(+), 6 deletions(-)
 mode change 100644 => 100755 .envrc-nix

diff --git a/.envrc-nix b/.envrc-nix
old mode 100644
new mode 100755
index d6f3c4e..e49eba4
--- a/.envrc-nix
+++ b/.envrc-nix
@@ -1,7 +1,8 @@
+# -*- mode: nix -*-
 NIX_ENFORCE_PURITY=1
 # - https://github.com/nix-community/nix-direnv
-NixDirEnvVersion="3.0.7"
-NixDirEnvSHA="sha256-bn8WANE5a91RusFmRI7kS751ApelG02nMcwRekC/qzc="
+NixDirEnvVersion="3.1.0"
+NixDirEnvSHA="sha256-yMJ2OVMzrFaDPn7q8nCBZFRYpL/f0RcHzhmw/i6btJM="
 if ! has nix_direnv_version || ! nix_direnv_version ${NixDirEnvVersion}; then
   source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "${NixDirEnvSHA}"
 fi
@@ -26,7 +27,7 @@ echo '
   • nix develop using nixpkgs
     ❯❯ nix develop ".#dsh-nixpkgs-dmd-dub" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-nixpkgs-ldc-dub" --print-build-logs -c zsh
-  • nix develop using package overlays: (dmd-2.111.0, ldc-1.41.0, dub-1.40.0)
+  • nix develop using package overlays: (dmd-2.111.0, ldc-1.42.0, dub-1.40.0)
     ❯❯ nix develop ".#dsh-overlay-dmd-dub" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-overlay-ldc-dub" --print-build-logs -c zsh
   ❯❯ nix flake show
@@ -40,7 +41,7 @@ echo '
   • nix build using nixpkgs
     ❯❯ nix build ".#spine-search-nixpkgs-dmd" --print-build-logs
     ❯❯ nix build ".#spine-search-nixpkgs-ldc" --print-build-logs
-  • nix build using package overlays: (dmd-2.111.0, ldc-1.41.0, dub-1.40.0)
+  • nix build using package overlays: (dmd-2.111.0, ldc-1.42.0, dub-1.40.0)
     ❯❯ nix build ".#spine-search-overlay-dmd" --print-build-logs
     ❯❯ nix build ".#spine-search-overlay-ldc" --print-build-logs
 
diff --git a/org/config_env.org b/org/config_env.org
index 8bc8c55..75732ca 100644
--- a/org/config_env.org
+++ b/org/config_env.org
@@ -53,6 +53,7 @@ fi
     - ${NixDirEnvVersion}
 
 #+HEADER: :tangle ../.envrc-nix
+#+HEADER: :shebang "# -*- mode: nix -*-"
 #+BEGIN_SRC shell
 NIX_ENFORCE_PURITY=1
 # - https://github.com/nix-community/nix-direnv
diff --git a/org/nix-develop-dlang-shared.org b/org/nix-develop-dlang-shared.org
index fec2815..005d7f7 100644
--- a/org/nix-develop-dlang-shared.org
+++ b/org/nix-develop-dlang-shared.org
@@ -27,6 +27,7 @@ check for latest version:
 
 update direnv version and sha hash:
 - emacs org/nix-develop-dlang-shared.org
+- direnv fetchurl https://raw.githubusercontent.com/nix-community/nix-direnv/3.1.0/direnvrc
 
 re-tangle file:
 
@@ -40,16 +41,28 @@ update flake.lock:
 
 #+NAME: direnv-version
 #+BEGIN_SRC org
-<<direnv_version_3_0_7>>
+<<direnv_version_3_1_0>>
 #+END_SRC
 
 #+NAME: direnv-hash
 #+BEGIN_SRC org
-<<direnv_hash_3_0_7>>
+<<direnv_hash_3_1_0>>
 #+END_SRC
 
 *** versions
 
+**** 3.1.0
+
+#+NAME: direnv_version_3_1_0
+#+BEGIN_SRC org
+3.1.0
+#+END_SRC
+
+#+NAME: direnv_hash_3_1_0
+#+BEGIN_SRC org
+sha256-yMJ2OVMzrFaDPn7q8nCBZFRYpL/f0RcHzhmw/i6btJM=
+#+END_SRC
+
 **** 3.0.7
 
 #+NAME: direnv_version_3_0_7
-- 
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