Recursive Repository Self Improvement #245
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| name: Recursive Repository Self Improvement | |
| # Runs on a schedule and on demand. A small local model proposes a single | |
| # improvement to files under src/, and the change is opened as a pull request. | |
| on: | |
| schedule: | |
| - cron: "0 1,7,13,19 * * *" | |
| workflow_dispatch: | |
| inputs: | |
| model: | |
| description: "Ollama model to run" | |
| required: false | |
| default: "qwen3.5:0.8b" | |
| # NOTE on security: the token below is intentionally NOT granted `workflows` | |
| # permission, so GitHub itself will reject any push that touches | |
| # .github/workflows/**. Combined with the path validation in improve.py and the | |
| # diff gate below, the generated PR can only ever modify files under src/. | |
| permissions: | |
| contents: write | |
| pull-requests: write | |
| issues: read | |
| concurrency: | |
| group: self-improve | |
| cancel-in-progress: false | |
| jobs: | |
| improve: | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 15 | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| IMPROVE_MODEL: ${{ github.event.inputs.model || 'qwen3.5:0.8b' }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Set up Python | |
| uses: actions/setup-python@v5 | |
| with: | |
| python-version: "3.12" | |
| - name: Install and start Ollama | |
| run: | | |
| curl -fsSL https://ollama.com/install.sh | sh | |
| nohup ollama serve >/tmp/ollama.log 2>&1 & | |
| # Wait for the server to accept connections. | |
| for i in $(seq 1 30); do | |
| if curl -fsS http://127.0.0.1:11434/api/version >/dev/null 2>&1; then | |
| echo "ollama is up"; break | |
| fi | |
| sleep 2 | |
| done | |
| - name: Pull model | |
| run: ollama pull "$IMPROVE_MODEL" | |
| - name: Install the Oracle | |
| run: python -m pip install --quiet ./improvement | |
| - name: Generate improvement (src/ only) | |
| # Hard stop: kill generation after 10 minutes if it hasn't produced a | |
| # valid result. The Oracle uses a slightly shorter internal soft | |
| # deadline (IMPROVE_GEN_DEADLINE_SECONDS) so it can exit cleanly first. | |
| timeout-minutes: 10 | |
| env: | |
| IMPROVE_PR_BODY: ${{ runner.temp }}/improve_pr_body.md | |
| IMPROVE_PR_TITLE: ${{ runner.temp }}/improve_pr_title.txt | |
| IMPROVE_REPO_ROOT: ${{ github.workspace }} | |
| run: python -m oracle | |
| - name: Safety net — undo any change outside src/ | |
| id: gate | |
| run: | | |
| set -uo pipefail | |
| # Report anything that was touched outside src/ before we undo it. | |
| # (Destination path only, so renames collapse to their target.) | |
| outside="$(git -c core.quotepath=false status --porcelain=v1 \ | |
| | sed -E 's/^.{3}//; s/.* -> //' | grep -v '^src/' || true)" | |
| if [ -n "$outside" ]; then | |
| echo "::warning::Reverting changes made outside src/:" | |
| echo "$outside" | |
| # Unstage, then restore tracked files (modified/deleted) outside src/. | |
| git reset -q -- . ':(exclude)src' || true | |
| git checkout -- . ':(exclude)src' || true | |
| # Remove any untracked files/dirs outside src/. | |
| git clean -fd -- . ':(exclude)src' || true | |
| fi | |
| # Proceed only if a change under src/ remains after cleanup. | |
| if [ -n "$(git status --porcelain=v1 -- src)" ]; then | |
| echo "changed=1" >> "$GITHUB_OUTPUT" | |
| else | |
| echo "No changes under src/ remain; nothing to do." | |
| echo "changed=0" >> "$GITHUB_OUTPUT" | |
| fi | |
| - name: Create pull request | |
| if: steps.gate.outputs.changed == '1' | |
| env: | |
| PR_BODY_FILE: ${{ runner.temp }}/improve_pr_body.md | |
| PR_TITLE_FILE: ${{ runner.temp }}/improve_pr_title.txt | |
| run: | | |
| set -euo pipefail | |
| BRANCH="auto/improve-${{ github.run_id }}" | |
| # Use the model-generated title; fall back to a generic one if empty. | |
| TITLE="$(cat "$PR_TITLE_FILE" 2>/dev/null || true)" | |
| [ -z "$TITLE" ] && TITLE="Automated improvement to src/ (#${{ github.run_id }})" | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| git checkout -b "$BRANCH" | |
| git add src | |
| git commit -m "$TITLE" | |
| git push origin "$BRANCH" | |
| gh pr create \ | |
| --title "$TITLE" \ | |
| --body-file "$PR_BODY_FILE" \ | |
| --base "${{ github.ref_name }}" \ | |
| --head "$BRANCH" \ | |
| --label "automated" || \ | |
| gh pr create \ | |
| --title "$TITLE" \ | |
| --body-file "$PR_BODY_FILE" \ | |
| --base "${{ github.ref_name }}" \ | |
| --head "$BRANCH" |