Githubアクションでジョブ間で変数を共有する方法

This article discusses how to share variables between jobs in Github Actions. It covers defining variables at the job and workflow levels and sharing them across multiple jobs using the with keyword. The best approach for sharing variables depends on

How to share variables between jobs in Github Actions

How can I share variables between different stages of the same job?

Variables defined in one stage of a job can be accessed in subsequent stages using the syntax ${{ steps.<stage-name>.outputs.var-name }}</stage-name>. For example, if a variable named my-var is defined in the build stage, it can be accessed in the deploy stage as follows:

<code>deploy:
  steps:
    - run: echo ${{ steps.build.outputs.my-var }}</code>

Is it possible to reuse variables across multiple jobs in a Github Actions workflow?

Yes, variables can be shared across multiple jobs by defining them at the workflow level. Workflow-level variables are accessible to all jobs in the workflow and can be set using the with keyword. For example, to define a variable named my-var that is accessible to all jobs in the workflow:

<code>jobs:
  job1:
    needs: job2
    steps:
      - run: echo ${{ steps.job2.outputs.my-var }}
  job2:
    steps:
      - run: echo "##[set-output name=my-var;]value"</code>

What is the best approach for sharing variables between jobs in Github Actions?

The best approach for sharing variables between jobs depends on the specific requirements of the workflow. If the variables need to be accessed only within a single job, it is recommended to define them at the job level. If the variables need to be shared across multiple jobs, it is recommended to define them at the workflow level.

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