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#!/bin/bash
#
# This script builds a release. If run in a venv, it auto-installs its tools.
# You may want to run "make release" instead of running this script directly.
set -eEu
function release_with() {
"$1" -m build --sdist --wheel
}
function suggest_venv() {
local venv_cmd='python -m venv env && source env/bin/activate'
printf "HELP: To avoid this error, use a virtual-env with '%s' instead.\n" "$venv_cmd"
}
if test -n "${VIRTUAL_ENV-}"; then
deps=(build twine) # Install twine along with build, as we need it later.
echo "Virtual environment detected. Adding packages: ${deps[*]}"
pip install --quiet --upgrade "${deps[@]}"
echo 'Starting the build.'
release_with python
else
trap suggest_venv ERR # This keeps the original exit (error) code.
echo 'Starting the build.'
release_with python3 # Outside a venv, use python3.
fi
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