From 2445d9f8d4ca74e7fed7099b935c344ca718857c Mon Sep 17 00:00:00 2001
From: Winter <winter@winter.cafe>
Date: Sun, 10 Aug 2025 02:55:09 -0400
Subject: [PATCH] nix: add script to do the lexgen dance
Change-Id: yswowtpnywsowlxvvpnouplzmsvqutto

h/t https://github.com/bluesky-social/indigo/issues/931#issuecomment-2635675099
for the inspiration

Signed-off-by: Winter <winter@winter.cafe>
---
 flake.nix | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/flake.nix b/flake.nix
index 41522b5..af0e8e7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -189,6 +189,31 @@
           ${gomod2nix.legacyPackages.${system}.gomod2nix}/bin/gomod2nix generate --outdir ./nix
         '');
       };
+      lexgen = {
+        type = "app";
+        program =
+          (pkgs.writeShellApplication {
+            name = "lexgen";
+            text = ''
+              if ! command -v lexgen > /dev/null; then
+                echo "error: must be executed from devshell"
+                exit 1
+              fi
+
+              rootDir=$(jj --ignore-working-copy root || git rev-parse --show-toplevel) || (echo "error: can't find repo root?"; exit 1)
+              cd "$rootDir"
+
+              rm api/tangled/*
+              lexgen --build-file lexicon-build-config.json lexicons
+              sed -i.bak 's/\tutil/\/\/\tutil/' api/tangled/*
+              ${pkgs.gotools}/bin/goimports -w api/tangled/*
+              go run cmd/gen.go
+              lexgen --build-file lexicon-build-config.json lexicons
+              rm api/tangled/*.bak
+            '';
+          })
+          + /bin/lexgen;
+      };
     });
 
     nixosModules.appview = {
-- 
2.43.0