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#!/bin/bash
# This script accepts a directory containing a pyproject.toml file configured
# for use with poetry and generates and prints the pinned dependencies of that
# file. Any dependencies on acme or those referencing certbot will be removed
# from the output. The exported requirements are printed to stdout.
#
# For example, if a directory containing a pyproject.toml file for poetry is at
# ../current, you could activate Certbot's developer environment and then run a
# command like the following to generate requirements.txt for that environment:
# ./export-pinned-dependencies.sh ../current > requirements.txt
set -euo pipefail
# If this script wasn't given a command line argument, print usage and exit.
if [ -z ${1+x} ]; then
echo "Usage:" >&2
echo "$0 PYPROJECT_TOML_DIRECTORY" >&2
exit 1
fi
REPO_ROOT="$(git rev-parse --show-toplevel)"
WORK_DIR="$1"
if ! command -v poetry >/dev/null || [ $(poetry --version | grep -oE '[0-9]+\.[0-9]+' | sed 's/\.//') -lt 12 ]; then
echo "Please install poetry 1.2+." >&2
echo "You may need to recreate Certbot's virtual environment and activate it." >&2
exit 1
fi
# Old eggs can cause outdated dependency information to be used by poetry so we
# delete them before generating the lock file. See
# https://github.com/python-poetry/poetry/issues/4103 for more info.
rm -rf ${REPO_ROOT}/*/*.egg-info
cd "${WORK_DIR}"
if [ -f poetry.lock ]; then
rm poetry.lock
fi
poetry lock >&2
trap 'rm poetry.lock' EXIT
# We need to remove local packages from the output.
poetry export --without-hashes | sed '/^acme @/d; /certbot/d;'
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