From eea31494c11c3dcd88868b7530c45edd08cf7cf2 Mon Sep 17 00:00:00 2001
From: Bernardo Meurer Costa <beme@anthropic.com>
Date: Sun, 12 Oct 2025 00:40:11 +0000
Subject: [PATCH] fix(libstore/find-cycles): install header in public include
 directory

Move `find-cycles.hh` to `src/libstore/include/nix/store/build/` to
ensure it is properly installed as a public header and can be used by
tests and other consumers of the library.
---
 src/libstore/build/find-cycles.cc                         | 2 +-
 src/libstore/{ => include/nix/store}/build/find-cycles.hh | 0
 src/libstore/include/nix/store/meson.build                | 1 +
 src/libstore/unix/build/derivation-builder.cc             | 2 +-
 4 files changed, 3 insertions(+), 2 deletions(-)
 rename src/libstore/{ => include/nix/store}/build/find-cycles.hh (100%)

diff --git a/src/libstore/build/find-cycles.cc b/src/libstore/build/find-cycles.cc
index 0c1f5ee41..3ade944f4 100644
--- a/src/libstore/build/find-cycles.cc
+++ b/src/libstore/build/find-cycles.cc
@@ -1,4 +1,4 @@
-#include "find-cycles.hh"
+#include "nix/store/build/find-cycles.hh"
 
 #include "nix/store/store-api.hh"
 #include "nix/util/file-system.hh"
diff --git a/src/libstore/build/find-cycles.hh b/src/libstore/include/nix/store/build/find-cycles.hh
similarity index 100%
rename from src/libstore/build/find-cycles.hh
rename to src/libstore/include/nix/store/build/find-cycles.hh
diff --git a/src/libstore/include/nix/store/meson.build b/src/libstore/include/nix/store/meson.build
index 5d6626ff8..5549a192a 100644
--- a/src/libstore/include/nix/store/meson.build
+++ b/src/libstore/include/nix/store/meson.build
@@ -21,6 +21,7 @@ headers = [ config_pub_h ] + files(
   'build/derivation-resolution-goal.hh',
   'build/derivation-trampoline-goal.hh',
   'build/drv-output-substitution-goal.hh',
+  'build/find-cycles.hh',
   'build/goal.hh',
   'build/substitution-goal.hh',
   'build/worker.hh',
diff --git a/src/libstore/unix/build/derivation-builder.cc b/src/libstore/unix/build/derivation-builder.cc
index bd00b7701..e650d6fdd 100644
--- a/src/libstore/unix/build/derivation-builder.cc
+++ b/src/libstore/unix/build/derivation-builder.cc
@@ -45,7 +45,7 @@
 
 #include "store-config-private.hh"
 #include "build/derivation-check.hh"
-#include "build/find-cycles.hh"
+#include "nix/store/build/find-cycles.hh"
 
 #if NIX_WITH_AWS_AUTH
 #  include "nix/store/aws-creds.hh"