Update content

.gitea/workflows/autograde.yml

@@ -57,7 +57,7 @@ jobs:
           apt-get -o Acquire::Check-Valid-Until=false update -y
           DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
             git ca-certificates python3-pip rsync \
-            libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-dev shared-mime-info \
+            libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf-2.0-0 libgdk-pixbuf2.0-bin libgdk-pixbuf2.0-common libffi-dev shared-mime-info \
             fontconfig fonts-noto-cjk fonts-wqy-microhei
           fc-cache -f -v >/dev/null 2>&1 || true
           rm -rf /var/lib/apt/lists/*
@@ -226,9 +226,7 @@ jobs:
             DEST_PATH="reports/grade_report_${SHORT_SHA}.${REPORT_FILE##*.}"
 
             CONTENT=$(base64 -w 0 "$REPORT_FILE")
-            cat > /tmp/upload_request.json << EOF
-{"message": "Add grade report for $SHORT_SHA", "content": "$CONTENT"}
-EOF
+            printf '{"message": "Add grade report for %s", "content": "%s"}\n' "$SHORT_SHA" "$CONTENT" > /tmp/upload_request.json
 
             RESULT=$(curl -s -X POST -H "Authorization: token $TOKEN" \
               -H "Content-Type: application/json" \
@@ -244,9 +242,7 @@ EOF
                 | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('sha','') if isinstance(d,dict) and 'sha' in d else '')" 2>/dev/null || echo "")
 
               if [ -n "$SHA" ]; then
-                cat > /tmp/upload_request.json << EOF
-{"message": "Update grade report for $SHORT_SHA", "content": "$CONTENT", "sha": "$SHA"}
-EOF
+                printf '{"message": "Update grade report for %s", "content": "%s", "sha": "%s"}\n' "$SHORT_SHA" "$CONTENT" "$SHA" > /tmp/upload_request.json
                 RESULT=$(curl -s -X PUT -H "Authorization: token $TOKEN" \
                   -H "Content-Type: application/json" \
                   "$API_URL/repos/$REPO/contents/$DEST_PATH" \