[ci] Merge all artifacts into one archive

Author: salkinium

.github/workflows/test-kg.yml

@@ -1,11 +1,11 @@
-name: Test Generate Knowledge Graphs
+name: Generate Knowledge Graphs
 
 on:
   workflow_dispatch:
   pull_request:
 
 jobs:
-  test-kg-stmicro:
+  generate-kg-stmicro:
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
@@ -77,12 +77,38 @@ jobs:
         with:
           name: logs-${{ matrix.family_group.name }}
           path: log/stmicro/kg
-          retention-days: 7
+          retention-days: 1
 
       - name: Upload KGs
         if: always()
         uses: actions/upload-artifact@v4
         with:
           name: kg-${{ matrix.family_group.name }}
           path: ext/stmicro/kg-archive
+          retention-days: 1
+
+
+  merge-kg-artifacts:
+    runs-on: ubuntu-latest
+    needs: generate-kg-stmicro
+    steps:
+      - name: Download All KGs
+        uses: actions/download-artifact@v4
+        with:
+          pattern: kg-*
+          path: kg-archive-all
+
+      - name: Merge all KGs
+        run: |
+          mkdir -p kg-archive/
+
+          find kg-archive-all/ -mindepth 2 -maxdepth 2 -type d | while read DIR; do
+            cp -r "$DIR" kg-archive/
+          done
+
+      - name: Upload Final Knowledge Graphs
+        uses: actions/upload-artifact@v4
+        with:
+          name: kg-archive
+          path: kg-archive/
           retention-days: 7