如何在 Github 操作中覆盖环境变量?

How to override an environment variable in Github Actions?

鉴于我有以下内容:

name: MyWorkFlow

on: push

env:
  FOO: bar1
jobs:
  myJob:
    - run: export FOO=bar2
    - run: echo $FOO

输出为'bar1'。无论如何,我可以覆盖这些环境变量吗?

run: echo "FOO=1234" >> $GITHUB_ENV