Hello guys! In my

pants.toml

[test] section I have:

extra_env_vars = [
  'SOME_VARAIBLE_X=1',
  'SOME_VARIABLE_Y="hello"',
  ...

I would like to somehow override the value of just one variable when running

pants test

. I've tried

pants test --test-extra-env-vars="['SOME_VARAIBLE_X=0']"

, and it overrides the value of X, but other variables like SOME_VARIABLE_Y are no longer taken from pants.toml

That is because the CLI option replaced the value set in pants.toml. See https://www.pantsbuild.org/2.18/docs/using-pants/key-concepts/options#addremove-semantics for how to add to the value rather than replacing it. However, overriding a particular entry in a list may prove tricky. Not sure how pants treats duplicate entries, in case the last one wins for instance..

Thank you!