| Scenario | User‑facing Message | Action | |----------|---------------------|--------| | No internet | “Network unreachable. Check connection.” | Retry with exponential backoff (max 3 times). | | Source 404 | “Primary source unavailable. Trying mirror 1…” | Automatic failover. | | Checksum mismatch | “File corrupted or tampered. Download again?” | Offer redownload. | | Install permission denied | “Permission denied for system install. Install user only?” | Fallback to user install. |
Automatically decompresses download payloads straight to temporary directories. Tm-heera-font-download Downloader
wget -O tm-heera-download.py https://... && python tm-heera-download.py --output ./fonts | Scenario | User‑facing Message | Action |