Practice merge conflict resolution #4
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| name: Auto-generate conflict scenario | |
| on: | |
| issues: | |
| types: [opened] | |
| jobs: | |
| generate-conflict: | |
| if: github.event.issue.title == 'Practice merge conflict resolution' | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: write | |
| issues: write | |
| steps: | |
| - name: Checkout repo | |
| uses: actions/checkout@v4 | |
| - name: Set up Git | |
| run: | | |
| git config user.name "github-actions" | |
| git config user.email "154701770+rezzcode@users.noreply.github.com" | |
| - name: Parse challenge type and scenario file | |
| id: vars | |
| run: | | |
| uuid=$(uuidgen | cut -d- -f1) | |
| username="${{ github.event.issue.user.login }}" | |
| body="${{ github.event.issue.body }}" | |
| # Extract dropdown value and scenario file (if typed) | |
| challenge_type=$(echo "$body" | grep -A1 "challenge type" | tail -n1 | tr -d '\r') | |
| scenario_file=$(echo "$body" | grep -A1 "Scenario file name" | tail -n1 | tr -d '\r') | |
| # Set fallback defaults | |
| fallback_code="code_scenario.rs" | |
| fallback_text="txt_scenario.md" | |
| # Determine file path | |
| if [ -z "$scenario_file" ]; then | |
| if [ "$challenge_type" = "text" ]; then | |
| scenario_file="$fallback_text" | |
| else | |
| scenario_file="$fallback_code" | |
| fi | |
| elif [ ! -f "Tasks/Conflicts/$scenario_file" ]; then | |
| # Invalid filename fallback | |
| if [ "$challenge_type" = "text" ]; then | |
| scenario_file="$fallback_text" | |
| else | |
| scenario_file="$fallback_code" | |
| fi | |
| fi | |
| target_file="Solutions/Conflict-fixes/${username}-${scenario_file}" | |
| echo "uuid=$uuid" >> $GITHUB_OUTPUT | |
| echo "username=$username" >> $GITHUB_OUTPUT | |
| echo "scenario_file=$scenario_file" >> $GITHUB_OUTPUT | |
| echo "target_file=$target_file" >> $GITHUB_OUTPUT | |
| - name: Copy stub and commit to main | |
| run: | | |
| cp "Tasks/Conflicts/${{ steps.vars.outputs.scenario_file }}" "${{ steps.vars.outputs.target_file }}" | |
| echo "// version A for ${{ steps.vars.outputs.username }}" >> "${{ steps.vars.outputs.target_file }}" | |
| git add "${{ steps.vars.outputs.target_file }}" | |
| git commit -m "Add scenario file for ${{ steps.vars.outputs.username }}" | |
| git push origin main | |
| - name: Create conflict branch and modify file | |
| run: | | |
| git checkout -b conflict-${{ steps.vars.outputs.uuid }} | |
| echo "// version B for ${{ steps.vars.outputs.username }}" >> "${{ steps.vars.outputs.target_file }}" | |
| git add "${{ steps.vars.outputs.target_file }}" | |
| git commit -m "Introduce conflicting change for ${{ steps.vars.outputs.username }}" | |
| git push origin conflict-${{ steps.vars.outputs.uuid }} | |
| - name: Comment with next steps | |
| uses: actions/github-script@v7 | |
| env: | |
| USERNAME: ${{ steps.vars.outputs.username }} | |
| UUID: ${{ steps.vars.outputs.uuid }} | |
| SCENARIO_FILE: ${{ steps.vars.outputs.scenario_file }} | |
| with: | |
| script: | | |
| const username = process.env.USERNAME; | |
| const uuid = process.env.UUID; | |
| const scenario_file = process.env.SCENARIO_FILE; | |
| github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: `🎉 Conflict scenario ready for **@${username}** | |
| 🔹 Branch \`main\`: version A | |
| 🔹 Branch \`conflict-${uuid}\`: version B | |
| File to resolve: | |
| \`Solutions/Conflict-fixes/${username}-${scenario_file}\` | |
| Fork the repo, resolve the conflict, then open a PR to complete the task! 💪` | |
| }) |