From 94a4eb7da36d654325bc5acd930502b91fa8ef99 Mon Sep 17 00:00:00 2001
From: Sergio Garcia <47090312+singiamtel@users.noreply.github.com>
Date: Thu, 19 Jun 2025 17:23:38 +0200
Subject: [PATCH] Inject the key into the recipe (#937)

---
 bits_helpers/build.py     | 1 +
 bits_helpers/utilities.py | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/bits_helpers/build.py b/bits_helpers/build.py
index fb37da66..7c2c3b42 100644
--- a/bits_helpers/build.py
+++ b/bits_helpers/build.py
@@ -1064,6 +1064,7 @@ def doBuild(args, parser):
       ("FULL_RUNTIME_REQUIRES", " ".join(spec["full_runtime_requires"])),
       ("FULL_BUILD_REQUIRES", " ".join(spec["full_build_requires"])),
       ("FULL_REQUIRES", " ".join(spec["full_requires"])),
+      ("BITS_PREFER_SYSTEM_KEY", spec.get("key", "")),
     ]
     # Add the extra environment as passed from the command line.
     buildEnvironment += [e.partition('=')[::2] for e in args.environment]
diff --git a/bits_helpers/utilities.py b/bits_helpers/utilities.py
index 4766fc63..6a48205d 100644
--- a/bits_helpers/utilities.py
+++ b/bits_helpers/utilities.py
@@ -592,6 +592,8 @@ def getPackageList(packages, specs, configDir, preferSystem, noSystem,
             spec = replacement
             # Allows generalising the version based on the actual key provided
             spec["version"] = spec["version"].replace("%(key)s", key)
+            # We need the key to inject the version into the replacement recipe later.
+            spec["key"] = key 
             recipe = replacement.get("recipe", "")
             # If there's an explicitly-specified recipe, we're still building
             # the package. If not, aliBuild will still "build" it, but it's