snapshot.yml

name: Snapshot

permissions:
  contents: read

on:
  workflow_call:
    inputs:
      snapshot-tag:
        description: 'Optional custom snapshot tag. If not provided, uses branch name'
        required: false
        type: string
    outputs:
      snapshot-tag:
        description: 'The snapshot tag that was published'
        value: ${{ jobs.snapshot.outputs.snapshot-tag }}
  workflow_dispatch:
    inputs:
      snapshot-tag:
        description: 'Optional custom snapshot tag. If not provided, uses branch name'
        required: false
        type: string

jobs:
  snapshot:
    name: Release snapshot version
    permissions:
      contents: write
      id-token: write
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      snapshot-tag: ${{ steps.get-snapshot-tag.outputs.tag }}

    steps:
      - name: Clone repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup
        uses: ./.github/actions/setup

      - name: Publish Initial Versions for New Packages
        continue-on-error: false
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
          YARN_NPM_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
        run: |
          npm config set "//registry.npmjs.org/:_authToken" "$NPM_TOKEN"
          node .github/scripts/publish-initial-versions.js

      - name: Determine Snapshot Tag
        id: determine-tag
        run: |
          if [ -n "${{ inputs.snapshot-tag }}" ]; then
            echo "tag=${{ inputs.snapshot-tag }}" >> $GITHUB_OUTPUT
          else
            snapshot=$(git branch --show-current | tr -cs '[:alnum:]-' '-' | tr '[:upper:]' '[:lower:]' | sed 's/-$//' | sed 's/^-//')
            # Validate it's not empty
            if [ -z "$snapshot" ]; then
              echo "::error::Invalid branch name for snapshot tag"
              exit 1
            fi
            echo "tag=$snapshot" >> $GITHUB_OUTPUT
          fi

      - name: Check for Changesets
        id: check-changesets
        run: |
          # Check if any changeset files exist (excluding README.md)
          changeset_count=$(find .changeset -name "*.md" ! -name "README.md" | wc -l)
          if [ "$changeset_count" -eq 0 ]; then
            echo "has_changesets=false" >> $GITHUB_OUTPUT
            echo "::warning::No changesets found. Skipping snapshot release."
            exit 1
          else
            echo "has_changesets=true" >> $GITHUB_OUTPUT
            echo "Found $changeset_count changeset(s). Proceeding with snapshot release."
          fi

      - name: Publish Snapshots
        if: steps.check-changesets.outputs.has_changesets == 'true'
        continue-on-error: false
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          snapshot="${{ steps.determine-tag.outputs.tag }}"
          npm config set "//registry.npmjs.org/:_authToken" "$NPM_TOKEN"
          yarn run changeset version --no-git-tag --snapshot $snapshot
          yarn run changeset:prepublish:ci
          yarn run changeset publish --no-git-tag --snapshot $snapshot --tag $snapshot

      - name: Get Snapshot Tag
        id: get-snapshot-tag
        run: |
          if [ "${{ steps.check-changesets.outputs.has_changesets }}" == "true" ]; then
            echo "tag=${{ steps.determine-tag.outputs.tag }}" >> $GITHUB_OUTPUT
          else
            echo "tag=" >> $GITHUB_OUTPUT
          fi