Github action No event triggers defined in `on`

Question

I have created a pipeline and i want to trigger every time I push on any branch

There is my default.yml :

name: default

on:
  push:
    branches:
    - '*'

jobs:
  build:
    runs-on: macOS-latest
    
    steps:
    - uses: actions/checkout@v1
    - name: CocoaPod Install
      run: pod install
    - name: Force xcode version
      run: sudo xcode-select -switch /Applications/Xcode_11.2.1.app
    - name: Build
      run: ./pipelines.sh build

When i push this on github, I have this error

No event triggers defined in on

Might either be a one off instance of error or there would be an indentation issue in your yaml file. I tried the same config and it's working fine. — Madhu Bhat, Jul 21 '20 at 12:22
Could you please try pushing the same again and triggering the build? — Madhu Bhat, Jul 21 '20 at 12:24
But the question is about "i want to trigger every time I push on any branch". Therefore: no need to define branches. — DannyB, Jul 22 '20 at 11:30

score 9 · Accepted Answer · answered Aug 10 '20 at 10:06

9

You can trigger all branches just by using

on: push

https://docs.github.com/en/actions/reference/events-that-trigger-workflows#example-using-a-single-event

Remove - '*'

Your workflow file seems fine. Have you checked all indentation.

answered Aug 10 '20 at 10:06

Priebe

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score 2 · Answer 2 · answered Feb 08 '22 at 13:19

2

I got this error from a commit where I have only edited the workflow yaml file but nothing else. It was triggered normally after editing and commiting other files.

answered Feb 08 '22 at 13:19

Francisco Cardoso

1,438
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score 1 · Answer 3 · answered Jun 21 '21 at 01:00

For what it's worth, I'm not sure what causes this error either. It seems to be some combination of syntax or parsing error covered up by a less useful error.

For me,

checking whitespace
making sure there was a line-break between a comment block and the events block
switching from paths to paths-ignore

One of those things fixed it for me.

score 1 · Answer 4 · answered Jan 19 '23 at 20:37

I got this error when I added to the .github/workflows folder a yamllint config yaml file. Because it was located in that folder, it was evaluated as a workflow file, but it actually wasn't (hence no trigger specified). I fixed it by moving the file out of that directory, to .github.

Github action No event triggers defined in `on`

4 Answers4

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