how to trigger a workflow from another workflow in github actions

This article discusses the use of GitHub Actions to automate tasks in software development processes. It introduces the concept of linking multiple workflows together using the "needs" keyword, allowing one workflow to trigger or depend on

How to trigger a workflow from another workflow in GitHub Actions

GitHub Actions allow you to automate a series of tasks within your software development process. You can create workflows that run on specific events, such as when a new pull request is created or when code is pushed to a branch. You can also trigger a workflow from another workflow.

How can I link multiple workflows together in GitHub Actions?

To link multiple workflows together in GitHub Actions, you can use the needs keyword. The needs keyword specifies that one workflow depends on another workflow. When you use the needs keyword, the dependent workflow will not run until the required workflow has completed successfully.

For example, the following workflow triggers the deploy workflow after the build workflow has completed successfully:

<code>name: Build and Deploy

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - run: echo "Building..."
      - run: echo "Build complete!"
  deploy:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - run: echo "Deploying..."
      - run: echo "Deploy complete!"</code>

Is it possible to run a workflow based on the completion status of another workflow?

Yes, it is possible to run a workflow based on the completion status of another workflow. You can use the needs keyword to specify that one workflow depends on the completion status of another workflow. When you use the needs keyword, the dependent workflow will not run until the required workflow has completed, regardless of whether the required workflow completed successfully or not.

For example, the following workflow triggers the deploy workflow after the build workflow has completed, regardless of whether the build workflow completed successfully or not:

<code>name: Build and Deploy

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - run: echo "Building..."
      - run: echo "Build complete!"
  deploy:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - run: echo "Deploying..."
      - run: echo "Deploy complete!"</code>

How do I create a dependency between two workflows in GitHub Actions?

To create a dependency between two workflows in GitHub Actions, you can use the needs keyword. The needs keyword specifies that one workflow depends on another workflow. When you use the needs keyword, the dependent workflow will not run until the required workflow has completed successfully.

For example, the following workflow creates a dependency between the build workflow and the deploy workflow:

<code>name: Build and Deploy

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - run: echo "Building..."
      - run: echo "Build complete!"
  deploy:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - run: echo "Deploying..."
      - run: echo "Deploy complete!"</code>

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