fix: update manifest on master branch via Gitea API

.gitea/workflows/release.yml

@@ -87,12 +87,11 @@ jobs:
             -H "Authorization: token $TOKEN" \
             -F "attachment=@BlackBarRemover_${TAG}_jf12.0.zip"
 
-      - name: Update manifest.json
+      - name: Update manifest.json via API
         run: |
-          git config user.name "Gitea Actions"
-          git config user.email "actions@gitea.local"
-          
-          git checkout -B manifest
+          API_URL="${{ github.api_url }}"
+          REPO="${{ github.repository }}"
+          TOKEN="${{ github.token }}"
           
           VERSION="${{ github.ref_name }}"
           VERSION="${VERSION#v}"
@@ -130,6 +129,20 @@ jobs:
           ]
           EOF
           
-          git add manifest.json
-          git commit -m "Update manifest for ${{ github.ref_name }}"
-          git push -f "https://${TOKEN}@gitea.local.labus.uk/${REPO}.git" manifest
+          B64_CONTENT=$(base64 -w0 manifest.json)
+          
+          # Update on master branch
+          EXISTING_MANIFEST=$(curl -s -H "Authorization: token $TOKEN" "$API_URL/repos/$REPO/contents/manifest.json?ref=master")
+          FILE_SHA=$(echo "$EXISTING_MANIFEST" | grep -o '"sha":"[^"]*"' | head -1 | cut -d'"' -f4)
+          
+          if [ -n "$FILE_SHA" ]; then
+            curl -s -X PUT "$API_URL/repos/$REPO/contents/manifest.json" \
+              -H "Authorization: token $TOKEN" \
+              -H "Content-Type: application/json" \
+              -d "{\"content\":\"$B64_CONTENT\", \"message\":\"Update manifest.json for ${{ github.ref_name }}\", \"sha\":\"$FILE_SHA\", \"branch\":\"master\"}"
+          else
+            curl -s -X PUT "$API_URL/repos/$REPO/contents/manifest.json" \
+              -H "Authorization: token $TOKEN" \
+              -H "Content-Type: application/json" \
+              -d "{\"content\":\"$B64_CONTENT\", \"message\":\"Create manifest.json for ${{ github.ref_name }}\", \"branch\":\"master\"}"
+          fi