reproduce-zsh-input-problem.sh

echo """
FROM debian:bookworm-20240130-slim

RUN apt update && apt install -y python3 zsh bash
""" > Dockerfile

echo """
val = input() 
print('export FOO=' + val)
""" > prog.py

docker build . -t python-zsh:local

echo 'Run this command in containers: source <(python3 prog.py)'

echo "bash (ok)"
docker run -it -v $PWD/prog.py:/prog.py python-zsh:local bash

echo "zsh (freeze)"
docker run -it -v $PWD/prog.py:/prog.py python-zsh:local zsh