Error on using `skip` in `chromaui/action@v1`

I tried to avoid ui testing when the branch name matches the nostorybook/** pattern. So I used the skip option in the chromaui/action@v1 Github action but failed.

Here is the log of the error:

Run chromaui/action@v1
  with:
    token: ***
    projectToken: ***
    autoAcceptChanges: master|develop
    skip: nostorybook/**
    exitZeroOnChanges: true
    storybookBuildDir: storybook-static
  env:
    NPM_CONFIG_USERCONFIG: /home/runner/work/_temp/.npmrc

Chromatic CLI v5.7.0
https://www.chromatic.com/docs/cli

Authenticating with Chromatic
    → Connecting to https://index.chromatic.com
Authenticated with Chromatic
    → Using project token '********'
Retrieving git information
Skipping build
    → Skipping build for commit d93560e due to --skip
Skipping build
    → Skipped build for commit d93560e due to --skip
Error: Cannot read property 'toString' of undefined
Error: TypeError: Cannot read property 'toString' of undefined
    at /home/runner/work/_actions/chromaui/action/v1/action/main.js:203:58
    at step (/home/runner/work/_actions/chromaui/action/v1/action/main.js:44:23)
    at Object.next (/home/runner/work/_actions/chromaui/action/v1/action/main.js:25:53)
    at fulfilled (/home/runner/work/_actions/chromaui/action/v1/action/main.js:16:58)
    at processTicksAndRejections (internal/process/task_queues.js:93:5)
Error: Cannot read property 'toString' of undefined

And here is an example workflow with its yml config

┆Issue is synchronized with this Asana task by Unito

[jrolfs]

Good catch! I thought I had double-checked that, but it was incorrect. Here’s the final, working, workaround for pull_request events:

      - name: Skip Chromatic
        if:
          ${{
            contains(github.head_ref, 'dependabot-') ||
            contains(github.head_ref, 'changeset-release')
          }}
        run: yarn chromatic --project-token=$PROJECT_TOKEN --build-script-name='build:storybook:export' --skip
        env:
          PROJECT_TOKEN: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
          CHROMATIC_BRANCH: ${{ github.head_ref }}
          CHROMATIC_SHA: ${{ github.event.pull_request.head.sha }} # <--------
          CHROMATIC_SLUG: ${{ github.repository }}

Thanks again for the attentiveness @tmeasday. I’ll be happy to test a fix for the skip option when it’s available.

[tmeasday]

Hi @jrolfs - I can’t see the commit in the second screenshot – are you sure it is the same one (c867f06b)?