rvsttd: drop ureq, use curl for model downloads (rustc 1.85 compat)

rvsttd/src/main.rs

@@ -427,15 +427,22 @@ fn fetch_model(model_dir: &str) -> Result<()> {
             }
 
             log(&format!("  GET {}", file.url));
-            let response = ureq::get(&file.url).call()?;
 
             if let Some(expected) = file.size {
                 log(&format!("      {} bytes", expected));
                 total_bytes += expected;
             }
 
-            let mut file_handle = std::fs::File::create(&dest_path)?;
-            std::io::copy(&mut response.into_reader(), &mut file_handle)?;
+            let status = std::process::Command::new("curl")
+                .arg("-sSL")
+                .arg("-o")
+                .arg(&dest_path)
+                .arg(&file.url)
+                .status()?;
+
+            if !status.success() {
+                return Err(anyhow!("curl failed for {}", file.url));
+            }
             total_files += 1;
         }
     }