build.hooks: Pass UV_NO_CONFIG to uv build/install frontend

build/hooks/pyproject-configure-hook.sh

@@ -12,6 +12,23 @@ pyprojectConfigurePhase() {
   # information from the cross compiled Python.
   export PYTHONPATH=@pythonPath@
 
+  # Compile bytecode by default.
+  if [ -z "${UV_COMPILE_BYTECODE-}" ]; then
+    export UV_COMPILE_BYTECODE=1
+  fi
+
+  # Opt out of uv-specific installer metadata that causes non-reproducible builds.
+  if [ -z "${UV_NO_INSTALLER_METADATA-}" ]; then
+    export UV_NO_INSTALLER_METADATA=1
+  fi
+
+  # Don't load uv config from pyproject.toml & such.
+  # Loading config might cause uv-specific behaviour defined in tool.uv such as
+  # find-links to fail at build time.0984dhbb
+  if [ -z "${UV_NO_CONFIG-}" ]; then
+    export UV_NO_CONFIG=1
+  fi
+
   runHook postConfigure
   echo "Finished executing pyprojectConfigurePhase"
 }

build/hooks/pyproject-install-hook.sh

@@ -7,14 +7,6 @@ pyprojectInstallPhase() {
 
   pushd dist >/dev/null
 
-  if [ -z "${UV_COMPILE_BYTECODE-}" ]; then
-    export UV_COMPILE_BYTECODE=1
-  fi
-
-  if [ -z "${UV_NO_INSTALLER_METADATA-}" ]; then
-    export UV_NO_INSTALLER_METADATA=1
-  fi
-
   for wheel in ./*.whl; do
     @uv@/bin/uv pip --offline --no-cache install --no-deps --link-mode=copy --python=@pythonInterpreter@ --system --prefix "$out" $uvPipInstallFlags "$wheel"
     echo "Successfully installed $wheel"