From 9c28d751555128b2ff25ac7bbbfce3797e8eaec4 Mon Sep 17 00:00:00 2001
From: Scott Hansen <tech@firecat53.net>
Date: Thu, 14 Aug 2025 11:47:40 -0700
Subject: [PATCH] Update version to 1.4.1 and update `version_replaceme` when
 using nix build

---
 flake.nix | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/flake.nix b/flake.nix
index 3b3b251..99e8cbc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,17 +22,25 @@
         system:
         let
           pkgs = pkgsFor system;
+
+          # Update version when releasing
+          version = "1.4.1";
+
+          # Update the version in a new source tree
+          srcWithReplacedVersion = pkgs.runCommand "newt-src-with-version" { } ''
+            cp -r ${./.} $out
+            chmod -R +w $out
+            rm -rf $out/.git $out/result $out/.envrc $out/.direnv
+            find $out -name "*.go" -type f -exec sed -i "s/version_replaceme/${version}/g" {} \;
+          '';
         in
         {
           default = self.packages.${system}.pangolin-newt;
           pangolin-newt = pkgs.buildGoModule {
             pname = "pangolin-newt";
-            version = "1.4.0";
-
-            src = ./.;
-
-            vendorHash = "sha256-V8sq7XD/HJFKjhggrDWPdEEq3hjz0IHzpybQXA8Z/pg=";
-
+            version = version;
+            src = srcWithReplacedVersion;
+            vendorHash = "sha256-PENsCO2yFxLVZNPgx2OP+gWVNfjJAfXkwWS7tzlm490=";
             meta = with pkgs.lib; {
               description = "A tunneling client for Pangolin";
               homepage = "https://github.com/fosrl/newt";