Add bash script to run vendoring and tidy up

conda_lock/scripts/vendor_poetry/rerun_vendoring.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+set -euo pipefail
+
+if ! command -v vendoring &> /dev/null; then
+  echo "vendoring not found on PATH. Please install vendoring with 'pip install vendoring'."
+  exit 1
+fi
+
+if ! command -v dos2unix &> /dev/null; then
+  echo "dos2unix not found on PATH. Please install dos2unix with 'apt-get install dos2unix' or 'brew install dos2unix'."
+  exit 1
+fi
+
+if [ ! -f pyproject.toml ]; then
+  echo "pyproject.toml not found in the current directory. Please run this script from the root of the project:"
+  echo "  conda_lock/scripts/vendor_poetry/rerun_vendoring.sh"
+  exit 1
+fi
+
+vendoring sync -vvv .
+
+echo Fixing CRLF line endings...
+dos2unix conda_lock/_vendor/poetry/core/_vendor/lark/grammars/*
+dos2unix conda_lock/_vendor/poetry/core/_vendor/fastjsonschema/*
+dos2unix conda_lock/_vendor/conda/_vendor/boltons/LICENSE
+dos2unix conda_lock/_vendor/poetry/core/_vendor/lark/LICENSE
+
+echo Downloading missing licenses...
+for package in poetry poetry-core cleo; do
+  curl -s "https://raw.githubusercontent.com/python-poetry/${package}/master/LICENSE" > "conda_lock/_vendor/${package}.LICENSE"
+done
+
+echo Removing duplicate licenses...
+# This one is actually correct, but we downloaded it to poetry-core.LICENSE above.
+diff conda_lock/_vendor/poetry_core.LICENSE conda_lock/_vendor/poetry-core.LICENSE
+rm conda_lock/_vendor/poetry-core.LICENSE
+# These are licenses for poetry_core's vendored 'packaging', not poetry_core itself.
+diff conda_lock/_vendor/poetry/core/_vendor/packaging/LICENSE.APACHE conda_lock/_vendor/poetry_core.LICENSE.APACHE
+diff conda_lock/_vendor/poetry/core/_vendor/packaging/LICENSE.BSD conda_lock/_vendor/poetry_core.LICENSE.BSD
+rm conda_lock/_vendor/poetry_core.LICENSE.APACHE
+rm conda_lock/_vendor/poetry_core.LICENSE.BSD
+
+echo "Vendoring complete. Please commit the changes."