publish_schema.yml

name: "Publish schema"

on:
  push:
    branches:
      - "master"
      - "jsr/*"
    tags:
      - "schema-*"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

defaults:
  run:
    shell: bash

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-python@v5
        with:
          python-version: 3
      - name: Install bidsschematools
        run: |
          pip install --upgrade tools/schemacode
          git clean -fxd tools/schemacode
      - name: Checkout jsr-dist
        run: |
          git fetch --depth=1 origin jsr-dist
          git checkout -t origin/jsr-dist
      - name: Regenerate schema
        run: bst export > schema.json
      - name: Regenerate context types
        run: |
          jq .meta.context schema.json \
          | npx quicktype --src-lang schema --lang ts -t Context --just-types \
          > context.ts
      - name: Regenerate metaschema types
        run: |
          # Name the file schema so the type will be named Schema
          bst export-metaschema > /tmp/schema.json
          npx --package=json-schema-to-typescript json2ts --unknownAny /tmp/schema.json > metaschema.ts
      - name: Check for changes
        id: diff
        run: |
          git diff
          if git diff -s --exit-code; then
            echo check=1 >> $GITHUB_OUTPUT
          fi
      - name: Determine version
        if: ${{ steps.diff.output.check }}
        run: |
          BASE=$( jq -r .schema_version schema.json )
          if [[ "$BASE" =~ ^[0-9]*.[0-9]*.[0-9]*$ ]]; then
            # Release
            VERSION=$BASE
          else
            DENOVER=$( jq -r .version jsr.json )
            # Should switch to using the commit hash of the source repo?
            HASH=$( sha256sum schema.json | head -c 7 )
            if [[ $DENOVER =~ ^"$BASE".[0-9] ]]; then
              PREFIX=${DENOVER%+*}
              let SERIAL=1+${PREFIX#$BASE.}
            else
              SERIAL=1
            fi
            VERSION="$BASE.$SERIAL+$HASH"
          fi
          echo VERSION=$VERSION | tee -a $GITHUB_ENV
      - name: Set version and commit
        if: ${{ steps.diff.output.check }}
        run: |
          jq ".version = \"$VERSION\"" jsr.json > jsr.json
          mv jsr.json jsr.json
          git add jsr.json schema.json context.ts metaschema.ts
          git commit -m "Update schema JSR distribution" \
              --author "BIDS CI <bids.maintenance@gmail.com>"
      - name: Publish to JSR
        if: ${{ steps.diff.output.check }}
        run: |
          npx jsr publish --dry-run