SPDX licenses bump automation

Signed-off-by: Jan Kowalleck <[email protected]>

Author: jkowalleck

.github/workflows/update_spdx_licenses.yml

@@ -5,16 +5,27 @@ on:
     - cron: "0 0 * * *"
   workflow_dispatch:
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 # https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
-permissions: {}
+permissions: { }
 
 jobs:
   update:
+    name: Update Schemas
     runs-on: ubuntu-latest
+    outputs:
+      changed: ${{ steps.diff.outputs.changed }}
+      version: ${{ steps.version.outputs.version }}
+    timeout-minutes: 10
     steps:
       - name: Checkout
         # see https://github.com/actions/checkout
         uses: actions/checkout@v5
+        with:
+          ref: ${{ github.ref_name }}
       - name: Set up JDK
         # see https://github.com/actions/setup-java
         uses: actions/setup-java@v5
@@ -24,18 +35,78 @@ jobs:
           java-package: jdk
       - name: update
         run: tools/updateSpdx.sh
-      - name: Archive Schema
+      - name: detect version
+        id: version
+        run: |
+          value=$( jq -r '.["$comment"]' schema/spdx.schema.json )
+          echo "version=$value" >> $GITHUB_OUTPUT
+      - name: detect changes
+        id: diff
+        run: |
+          if git diff --quiet -- 'schema/spdx.*'
+          then
+            echo "changed=false" >> $GITHUB_OUTPUT
+          else
+            echo "changed=true" >> $GITHUB_OUTPUT
+          fi
+      - name: Artifact changes
+        if: ${{ steps.diff.outputs.changed == 'true' }}
         # https://github.com/actions/upload-artifact
         uses: actions/upload-artifact@v4
         with:
-          name: schema
+          retention-days: 1
+          name: schema-spdx
           path: schema/spdx.*
           if-no-files-found: error
-  # TODO:
-  # - if no changes: abort; else:
-  # - detect version - pull from JSON `$comment`
-  # - commit the changes
-  #    - with message `bump SPDX licenses $version`
-  #    - to branch 'spdx-licenses/$version'
-  #    - signed as bot
-  # - create pullresquest
+  pullrequest:
+    name: Pull-request Changes
+    runs-on: ubuntu-latest
+    needs: 'update'
+    if: ${{ needs.update.outputs.changed == 'true' }}
+    permissions:
+      contents: write  # for git-push
+    env:
+      SB_VERSION: ${{ needs.update.outputs.version }}
+      SB_BRANCH: spdx-schema-bump/${{ github.ref_name }}_${{ needs.update.outputs.version }}
+    steps:
+      - name: Checkout
+        # see https://github.com/actions/checkout
+        uses: actions/checkout@v5
+        with:
+          ref: ${{ github.ref_name }}
+      - name: Fetch changes
+        # https://github.com/actions/download-artifact
+        uses: actions/download-artifact@v5
+        with:
+          name: schema-spdx
+          path: schema
+      - name: switch branch
+        id: branch
+        run: |
+          set -eux
+          git remote set-branches origin "$SB_BRANCH"
+          if git ls-remote --exit-code --heads origin "$SB_BRANCH"
+          then
+            echo "existed=true" >> $GITHUB_OUTPUT
+            git fetch --depth=1 origin "$SB_BRANCH"
+            git checkout -b "$SB_BRANCH" "origin/$SB_BRANCH"
+          else
+            echo "existed=false" >> $GITHUB_OUTPUT
+            git checkout -b "$SB_BRANCH"
+          fi
+      - name: configure git author
+        run: |
+          git config user.name "spdx-license-bumber[bot]"
+          git config user.email "spdx-license-bumber[bot]@users.noreply.github.com"
+      - name: commit and push changes
+        run: |
+          set -eux
+          if git commit -sam "feat: bump SPDX licenses $SB_VERSION"
+          then
+            git push origin "$SB_BRANCH"
+          else
+            echo "$SB_BRANCH was up-to-date"
+          fi
+      - name: pullrequest
+        if: ${{ steps.branch.outputs.existed == 'false' }}
+        run: gh pr create --base "$GITHUB_REF_NAME" --head "$SB_BRANCH" --fill

schema/spdx.xsd

@@ -3901,4 +3901,4 @@
         </xs:restriction>
     </xs:simpleType>
 
-</xs:schema>
+</xs:schema>