try to fix license addition

Author: lithomas1

pyproject.toml

@@ -156,7 +156,7 @@ test-command = """
   pd.test(extra_args=["-m not clipboard and single_cpu and not slow and not network and not db", "--no-strict-data-files"]);' \
   """
 free-threaded-support = true
-before-build = "bash {package}/scripts/cibw_before_build.sh"
+before-build = "PACKAGE_DIR={package} bash {package}/scripts/cibw_before_build.sh"
 
 [tool.cibuildwheel.windows]
 before-build = "pip install delvewheel && bash {package}/scripts/cibw_before_build.sh"

scripts/cibw_before_build.sh

@@ -1,12 +1,6 @@
 # Add 3rd party licenses, like numpy does
-
-PROJECT_DIR="${1:-$PWD}"
-
-ls $PROJECT_DIR/LICENSES/*
-ls .
-
-for file in $PROJECT_DIR/LICENSES/*; do
-  cat $file >> $PROJECT_DIR/LICENSE
+for file in $PACKAGE_DIR/LICENSES/*; do
+  cat $file >> $PACKAGE_DIR/LICENSE
 done
 
 # TODO: Delete when there's a PyPI Cython release that supports free-threaded Python 3.13.