name: Create Daily OSS Branch

on:
  schedule:
    - cron: "0 16 * * 1-5" # 9am PT during daylight saving time, weekdays.
  workflow_dispatch:
    inputs:
      date:
        description: "Branch date in YYYY_MM_DD format. Defaults to today's UTC date."
        required: false
        type: string

permissions:
  contents: write

jobs:
  create-oss-branch:
    if: github.repository == 'BerriAI/litellm'
    runs-on: ubuntu-latest
    timeout-minutes: 10

    steps:
      - name: Checkout repository
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
        with:
          fetch-depth: 0
          persist-credentials: false

      - name: Create dated OSS branch
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          REQUESTED_DATE: ${{ inputs.date }}
        run: |
          set -euo pipefail

          if [ -n "${REQUESTED_DATE}" ]; then
            if ! echo "${REQUESTED_DATE}" | grep -Eq '^[0-9]{4}_[0-9]{2}_[0-9]{2}$'; then
              echo "::error::date must use YYYY_MM_DD format, got '${REQUESTED_DATE}'"
              exit 1
            fi
            BRANCH_DATE="${REQUESTED_DATE}"
          else
            BRANCH_DATE="$(date -u +'%Y_%m_%d')"
          fi

          BRANCH_NAME="litellm_oss_daily_${BRANCH_DATE}"
          echo "Creating branch: ${BRANCH_NAME}"

          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

          git fetch origin main "${BRANCH_NAME}" || true

          if git show-ref --verify --quiet "refs/remotes/origin/${BRANCH_NAME}"; then
            echo "Branch ${BRANCH_NAME} already exists. Skipping creation."
            exit 0
          fi

          git checkout -b "${BRANCH_NAME}" origin/main
          git push "https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" "${BRANCH_NAME}"
          echo "Successfully created and pushed branch: ${BRANCH_NAME}"