explicit sync action input on branch

otherwise github requires the {OS}-one branches to contain
the github workflow as well (which we preferably avoid).

.github/workflows/sync-unstable.yaml

@@ -2,31 +2,35 @@ name: sync-unstable
 
 on:
  workflow_dispatch:
+ inputs:
+ branch:
+ description: 'branch to sync to (no -unstable suffix)'
+ required: true
 
 jobs:
  sync:
  runs-on: ubuntu-22.04
  steps:
  - name: checkout unstable branch
  uses: actions/checkout@v4
- - name: validate branch
- run: |
- if [[ ${{ github.event.inputs.repo }} != *-unstable ]]; then
- echo "This workflow is only meant for -unstable branches"
- exit 1
- fi
+ with:
+ ref: ${{ github.event.inputs.branch }}-unstable
+ fetch-depth: 0
  - name: Strip -unstable suffix
  run: |
- echo "BRANCH=$(echo ${{ github.event.inputs.repo }} | sed 's/-unstable$//')" >> $GITHUB_ENV
  find . -type f -exec sed -i 's/-unstable//g' {} +
  - name: Add sync date to README
  run: |
  sed -i "/ Date/ a | Synced As Stable | $(date) |" README.md
+ - name: Move to public
+ run: |
+ mkdir public
+ mv -f * public || true
  - name: Deploy
  uses: s0/git-publish-subdir-action@develop
  env:
  REPO: self
- BRANCH: ${{ env.BRANCH }}
- FOLDER: .
+ BRANCH: ${{ github.event.inputs.branch }}
+ FOLDER: public
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  SQUASH_HISTORY: true