chore(ci): Prepare JSR distribution

.github/workflows/publish_schema.yml

@@ -0,0 +1,82 @@
+name: "Publish schema"
+
+on:
+  push:
+    branches:
+      - "master"
+      - "jsr/*"
+    tags:
+      - "schema-*"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  AUTHOR_NAME: BIDS CI
+  AUTHOR_EMAIL: [email protected]
+  COMMITTER_NAME: BIDS CI
+  COMMITTER_EMAIL: [email protected]
+
+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: Determine next version
+        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 $GITHUB_ENV
+      - name: Check for changes, set version and commit
+        run: |
+          if ! git diff -s --exit-code; then
+            jq ".version = \"$VERSION\"" jsr.json > tmp.json && mv tmp.json jsr.json
+            git add jsr.json schema.json context.ts metaschema.ts
+            git commit -m "Update schema JSR distribution"
+          fi
+      - name: Publish to JSR
+        if: success()
+        run: |
+          npx jsr publish --dry-run