flake-update.yml

name: flake-update

on:
  workflow_dispatch:
    inputs:
      branch:
        description: "branch"
        type: "string"
        default: "dev"

jobs:
  flake-update:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ inputs.branch }}
      - uses: DeterminateSystems/nix-installer-action@v16
      - name: update `flake.lock`
        run: nix flake update
      - name: commit
        run: |
          [[ $(git diff) != "" ]] || exit 0
          COMMITTER=$(curl "https://api.github.com/search/commits?q=author:${{ github.actor }}&sort=author-date&order=desc&page=1" | jq '.items[0].commit.committer')
          NAME=$(echo "$COMMITTER" | jq '.name')
          EMAIL=$(echo "$COMMITTER" | jq '.email')
          git config --local user.name "$NAME"
          git config --local user.email "$EMAIL"
          git add flake.lock
          git commit -m "update \`flake.lock\`"
      - uses: ad-m/github-push-action@master
        with:
          branch: ${{ inputs.branch }}