gh-commitmsg/.github/workflows/codex.yml at 050defd93aa434c6f6b75880070a6fec9dbcf840 · hazadus/gh-commitmsg · GitHub

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# Source: https://gist.github.com/sgoedecke/2b4e8d5e6b21f536ea399f1728916ad5
name: Codex on GitHub Models

on:
  issues:
    types: [opened]

jobs:
  process-issue:
    if: contains(github.event.issue.title, '[codex]')
    runs-on: ubuntu-latest
    permissions:
      contents: write
      issues: write
      pull-requests: write
      models: read

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '22'

      - name: Install Codex CLI
        run: npm install -g @openai/codex

      - name: Configure Codex for GitHub Models
        run: |
          mkdir -p ~/.codex
          cat > ~/.codex/config.toml << 'EOF'
          model = "openai/gpt-4.1"
          model_provider = "github-models"
          approval_policy = "never"

          [model_providers.github-models]
          name = "GitHub Models"
          base_url = "https://models.github.ai/inference"
          env_key = "GITHUB_TOKEN"
          wire_api = "chat"
          EOF

      - name: Process issue with Codex
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ISSUE_BODY: ${{ github.event.issue.body }}
          ISSUE_NUMBER: ${{ github.event.issue.number }}
          ISSUE_TITLE: ${{ github.event.issue.title }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          INSTRUCTION="$ISSUE_TITLE  --- $ISSUE_BODY"

          BRANCH_NAME="codex/issue-$ISSUE_NUMBER"
          git checkout -b $BRANCH_NAME

          # Use the configured GitHub Models provider
          codex --full-auto "$INSTRUCTION"

          if [[ -n $(git status --porcelain) ]]; then
            git config user.name "GitHub Models Codex Bot"
            git config user.email "github-models-codex-bot@noreply.github.com"

            git add .
            git commit -m "Codex changes for issue #$ISSUE_NUMBER"
            git push origin $BRANCH_NAME

            # Create PR and comment on issue using the same token
            gh pr create --title "Codex: ${{ github.event.issue.title }}" \
              --body "Auto-generated by Codex for issue #$ISSUE_NUMBER" \
              --base ${{ github.event.repository.default_branch }} \
              --head $BRANCH_NAME

            gh issue comment $ISSUE_NUMBER --body "Codex created a PR for this issue"
          else
            gh issue comment $ISSUE_NUMBER --body "Codex processed this issue but made no changes"
          fi