feat(server): support uploading packages of arch "any"

libarchive/src/write/file.rs

@@ -68,19 +68,24 @@ impl FileWriter {
         }
     }
 
-    pub fn close(&mut self) {
+    pub fn close(&mut self) -> crate::Result<()> {
         unsafe {
-            ffi::archive_write_close(self.handle_mut());
-        }
+            match ffi::archive_write_close(self.handle_mut()) {
+                ffi::ARCHIVE_OK => {
+                    self.closed = true;
 
-        self.closed = true;
+                    Ok(())
+                }
+                _ => Err(ArchiveError::from(self as &dyn Handle)),
+            }
+        }
     }
 }
 
 impl Drop for FileWriter {
     fn drop(&mut self) {
         if !self.closed {
-            self.close();
+            let _ = self.close();
         }
 
         unsafe {