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Update index.md

Update index.md #2

name: Step 2, Add an image
# This step triggers after a commit on the branch `start-markdown`.
# This workflow updates from step 2 to step 3.
# This will run every time we create push a commit to `start-markdown`.
# Reference: https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
on:
workflow_dispatch:
push:
branches:
- start-markdown
# Reference: https://docs.github.com/en/actions/security-guides/automatic-token-authentication
permissions:
# Need `contents: read` to checkout the repository.
# Need `contents: write` to update the step metadata.
contents: write
jobs:
# Get the current step to only run the main job when the learner is on the same step.
get_current_step:
name: Check current step number
runs-on: ubuntu-latest
steps:
- name: Checkout
uses: actions/checkout@v3
- id: get_step
run: |
echo "current_step=$(cat ./.github/steps/-step.txt)" >> $GITHUB_OUTPUT
outputs:
current_step: ${{ steps.get_step.outputs.current_step }}
on_commit_start_markdown_image:
name: On commit, start markdown, image
needs: get_current_step
# We will only run this action when:
# 1. This repository isn't the template repository.
# 2. The step is currently 2.
# Reference: https://docs.github.com/en/actions/learn-github-actions/contexts
# Reference: https://docs.github.com/en/actions/learn-github-actions/expressions
if: >-
${{ !github.event.repository.is_template
&& needs.get_current_step.outputs.current_step == 2 }}
# We'll run Ubuntu for performance instead of Mac or Windows.
runs-on: ubuntu-latest
steps:
# We'll need to check out the repository so that we can edit the README.
- name: Checkout
uses: actions/checkout@v3
with:
fetch-depth: 0 # Let's get all the branches.
# Check that there is at least one image in the markdown file.
- name: Check markdown syntax, image
uses: skills/action-check-file@v1
with:
file: "index.md"
search: "\\!\\[.*](.*)"
# In README.md, switch step 2 for step 3.
- name: Update to step 3
uses: skills/action-update-step@v2
with:
token: ${{ secrets.GITHUB_TOKEN }}
from_step: 2
to_step: 3
branch_name: start-markdown