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feat: Add generic workflow and example (gemini-cli) (#13)
* Generic Prompting: Unlike the specialized /review or /triage slash commands, the `@gemini-cli` command is designed for general-purpose interaction. Users can ask any question or give any instruction, and the CLI will process it. * `examples/gemini-cli.yml`: A new workflow that triggers on PR comments containing `@gemini-cli`. It checks out the PR branch, runs the Gemini CLI with the comment body as the user request, and pushes any resulting code changes back to the branch. * `.gitignore`: Updated to ignore temporary gha-creds-*.json files generated by the create-github-app-token action. --------- Co-authored-by: Seth Vargo <seth@sethvargo.com> Co-authored-by: Jerop Kipruto <jerop@google.com>
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‎.github/workflows/gemini-cli.yml‎

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name: '💬 Gemini CLI'
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on:
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pull_request_review_comment:
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types:
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- 'created'
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pull_request_review:
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types:
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- 'submitted'
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issue_comment:
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types:
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- 'created'
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concurrency:
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group: '${{ github.workflow }}-${{ github.head_ref || github.ref || github.event.issue.number }}'
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cancel-in-progress: true
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defaults:
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run:
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shell: 'bash'
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permissions:
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contents: 'write'
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id-token: 'write'
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pull-requests: 'write'
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issues: 'write'
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jobs:
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gemini-cli:
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# This condition is complex to ensure we only run when explicitly invoked.
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if: |
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github.event_name == 'workflow_dispatch' ||
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(
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github.event_name == 'issues' && github.event.action == 'opened' &&
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contains(github.event.issue.body, '@gemini-cli') &&
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!contains(github.event.issue.body, '/review') &&
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!contains(github.event.issue.body, '/triage') &&
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(
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github.event.sender.type == 'User' && (
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github.event.issue.author_association == 'OWNER' ||
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github.event.issue.author_association == 'MEMBER' ||
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github.event.issue.author_association == 'COLLABORATOR'
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)
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)
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) ||
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(
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github.event_name == 'issue_comment' &&
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contains(github.event.comment.body, '@gemini-cli') &&
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!contains(github.event.comment.body, '/review') &&
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!contains(github.event.comment.body, '/triage') &&
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(
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github.event.sender.type == 'User' && (
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github.event.comment.author_association == 'OWNER' ||
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github.event.comment.author_association == 'MEMBER' ||
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github.event.comment.author_association == 'COLLABORATOR'
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)
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)
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) ||
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(
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github.event_name == 'pull_request_review' &&
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contains(github.event.review.body, '@gemini-cli') &&
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!contains(github.event.review.body, '/review') &&
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!contains(github.event.review.body, '/triage') &&
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(
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github.event.sender.type == 'User' && (
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github.event.review.author_association == 'OWNER' ||
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github.event.review.author_association == 'MEMBER' ||
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github.event.review.author_association == 'COLLABORATOR'
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)
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)
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) ||
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(
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github.event_name == 'pull_request_review_comment' &&
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contains(github.event.comment.body, '@gemini-cli') &&
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!contains(github.event.comment.body, '/review') &&
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!contains(github.event.comment.body, '/triage') &&
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(
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github.event.sender.type == 'User' && (
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github.event.comment.author_association == 'OWNER' ||
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github.event.comment.author_association == 'MEMBER' ||
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github.event.comment.author_association == 'COLLABORATOR'
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)
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)
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)
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timeout-minutes: 15
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runs-on: 'ubuntu-latest'
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steps:
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- name: 'Generate GitHub App Token'
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id: 'generate_token'
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if: |-
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${{ vars.APP_ID }}
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uses: 'actions/create-github-app-token@df432ceedc7162793a195dd1713ff69aefc7379e' # ratchet:actions/create-github-app-token@v2
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with:
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app-id: '${{ vars.APP_ID }}'
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private-key: '${{ secrets.APP_PRIVATE_KEY }}'
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- name: 'Get context from event'
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id: 'get_context'
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env:
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EVENT_NAME: '${{ github.event_name }}'
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EVENT_PAYLOAD: '${{ toJSON(github.event) }}'
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run: |-
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set -euo pipefail
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USER_REQUEST=""
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ISSUE_NUMBER=""
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IS_PR="false"
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if [[ "${EVENT_NAME}" == "issues" ]]; then
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USER_REQUEST=$(echo "${EVENT_PAYLOAD}" | jq -r .issue.body)
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ISSUE_NUMBER=$(echo "${EVENT_PAYLOAD}" | jq -r .issue.number)
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elif [[ "${EVENT_NAME}" == "issue_comment" ]]; then
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USER_REQUEST=$(echo "${EVENT_PAYLOAD}" | jq -r .comment.body)
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ISSUE_NUMBER=$(echo "${EVENT_PAYLOAD}" | jq -r .issue.number)
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if [[ $(echo "${EVENT_PAYLOAD}" | jq -r .issue.pull_request) != "null" ]]; then
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IS_PR="true"
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fi
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elif [[ "${EVENT_NAME}" == "pull_request_review" ]]; then
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USER_REQUEST=$(echo "${EVENT_PAYLOAD}" | jq -r .review.body)
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ISSUE_NUMBER=$(echo "${EVENT_PAYLOAD}" | jq -r .pull_request.number)
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IS_PR="true"
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elif [[ "${EVENT_NAME}" == "pull_request_review_comment" ]]; then
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USER_REQUEST=$(echo "${EVENT_PAYLOAD}" | jq -r .comment.body)
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ISSUE_NUMBER=$(echo "${EVENT_PAYLOAD}" | jq -r .pull_request.number)
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IS_PR="true"
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fi
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# Clean up user request
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USER_REQUEST=$(echo "${USER_REQUEST}" | sed 's/.*@gemini-cli//' | sed 's/^[[:space:]]*//;s/[[:space:]]*$//')
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{
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echo "user_request=${USER_REQUEST}"
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echo "issue_number=${ISSUE_NUMBER}"
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echo "is_pr=${IS_PR}"
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} >> "${GITHUB_OUTPUT}"
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- name: 'Checkout PR branch'
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if: |-
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${{ steps.get_context.outputs.is_pr == 'true' }}
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uses: 'actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683' # ratchet:actions/checkout@v4
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with:
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token: '${{ steps.generate_token.outputs.token || secrets.GITHUB_TOKEN }}'
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repository: '${{ github.repository }}'
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ref: 'refs/pull/${{ steps.get_context.outputs.issue_number }}/head'
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fetch-depth: 0
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- name: 'Checkout main branch'
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if: |-
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${{ steps.get_context.outputs.is_pr == 'false' }}
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uses: 'actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683' # ratchet:actions/checkout@v4
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with:
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token: '${{ steps.generate_token.outputs.token || secrets.GITHUB_TOKEN }}'
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repository: '${{ github.repository }}'
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fetch-depth: 0
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- name: 'Acknowledge request'
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env:
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GITHUB_TOKEN: '${{ steps.generate_token.outputs.token || secrets.GITHUB_TOKEN }}'
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ISSUE_NUMBER: '${{ steps.get_context.outputs.issue_number }}'
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REPOSITORY: '${{ github.repository }}'
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run: |-
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gh issue comment "${ISSUE_NUMBER}" \
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--body "I've received your request and I'm working on it now! 🤖" \
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--repo "${REPOSITORY}"
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- name: 'Run Gemini'
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uses: './'
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env:
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GITHUB_TOKEN: '${{ steps.generate_token.outputs.token || secrets.GITHUB_TOKEN }}'
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REPOSITORY: '${{ github.repository }}'
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USER_REQUEST: '${{ steps.get_context.outputs.user_request }}'
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ISSUE_NUMBER: '${{ steps.get_context.outputs.issue_number }}'
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IS_PR: '${{ steps.get_context.outputs.is_pr }}'
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GEMINI_API_KEY: '${{ secrets.GEMINI_API_KEY }}'
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OTLP_GCP_WIF_PROVIDER: '${{ vars.OTLP_GCP_WIF_PROVIDER }}'
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OTLP_GOOGLE_CLOUD_PROJECT: '${{ vars.OTLP_GOOGLE_CLOUD_PROJECT }}'
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with:
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settings_json: |
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{
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"coreTools": [
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"run_shell_command(echo)",
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"run_shell_command(gh pr view)",
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"run_shell_command(gh pr diff)",
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"run_shell_command(gh pr list)",
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"run_shell_command(gh issue view)",
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"run_shell_command(gh issue comment)",
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"run_shell_command(gh issue list)",
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"run_shell_command(gh pr comment)",
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"run_shell_command(cat)",
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"run_shell_command(head)",
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"run_shell_command(tail)",
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"run_shell_command(grep)",
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"run_shell_command(git config)",
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"run_shell_command(git status)",
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"run_shell_command(git add)",
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"run_shell_command(git commit)",
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"run_shell_command(git push)",
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"run_shell_command(git diff)",
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"write_file"
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],
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"telemetry": {
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"enabled": true,
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"target": "gcp"
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},
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"sandbox": false
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}
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prompt: |
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## Role
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You are a helpful AI assistant invoked via a CLI interface in a GitHub workflow.
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You have access to tools to interact with the repository and respond to the user.
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## Context
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- **Repository**: `${{ github.repository }}`
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- **Triggering Event**: `${{ github.event_name }}`
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- **Issue/PR Number**: `${{ steps.get_context.outputs.issue_number }}`
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- **Is this a PR?**: `${{ steps.get_context.outputs.is_pr }}`
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## User Request
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The user has sent the following request:
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`${{ steps.get_context.outputs.user_request }}`
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## Steps
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1. **Understand the context.** Use the available tools to gather information about the issue or PR.
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- For PRs, you can use `gh pr view "${ISSUE_NUMBER}"`, `gh pr diff "${ISSUE_NUMBER}"` and `gh pr list`.
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- For issues, you can use `gh issue view "${ISSUE_NUMBER}"` or `gh issue list` to list all issues.
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- To view file contents, use `cat`, `head`, or `tail`.
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- The code has been checked out for you if this is a PR.
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2. **Fulfill the user's request.** The request is: `${{ steps.get_context.outputs.user_request }}`.
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- If the request involves modifying code, use `write_file` or other tools to make the changes.
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- After making changes, you **MUST** commit them.
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- `git add .`
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- `git commit -m "Your descriptive commit message"`
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- `git push`
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3. **Respond to the user.**
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- Write your final response in a markdown file: `write_file("response.md", "<your response here>")`
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- Post the response as a comment:
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- For PRs: `gh pr comment "${ISSUE_NUMBER}" --body-file response.md`
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- For Issues: `gh issue comment "${ISSUE_NUMBER}" --body-file response.md`
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## Guidelines
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- **Be concise.** Provide the information or perform the action requested without unnecessary chatter.
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- **Reference all shell variables as `"${VAR}"`** (with quotes and braces) to prevent errors.
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- **If you make changes, always commit and push them.**

‎.gitignore‎

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# gemini-cli settings
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.gemini/
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# GitHub App credentials
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gha-creds-*.json

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