feat: remove guest image file if sha256 is error

Author: ZCShou

xtask/src/image.rs

@@ -329,10 +329,20 @@ async fn image_download(image_name: &str, output_dir: Option<String>, extract: b
                 return Ok(());
             }
             Ok(false) => {
-                println!("File verification failed, SHA256 does not match, will re-download");
+                println!("File verification failed, SHA256 does not match, removing corrupted file and re-downloading");
+                if let Err(e) = fs::remove_file(&output_path) {
+                    println!("Warning: Failed to remove corrupted file: {}", e);
+                } else {
+                    println!("Corrupted file removed successfully");
+                }
             }
             Err(e) => {
-                println!("Error verifying file: {}, will re-download", e);
+                println!("Error verifying file: {}, removing potentially corrupted file and re-downloading", e);
+                if let Err(remove_err) = fs::remove_file(&output_path) {
+                    println!("Warning: Failed to remove potentially corrupted file: {}", remove_err);
+                } else {
+                    println!("Potentially corrupted file removed successfully");
+                }
             }
         }
     } else {
@@ -367,9 +377,21 @@ async fn image_download(image_name: &str, output_dir: Option<String>, extract: b
             println!("Download completed, file verification successful");
         }
         Ok(false) => {
+            println!("SHA256 verification failed, removing corrupted file...");
+            if let Err(e) = fs::remove_file(&output_path) {
+                println!("Warning: Failed to remove corrupted file: {}", e);
+            } else {
+                println!("Corrupted file removed successfully");
+            }
             return Err(anyhow!("Downloaded file SHA256 verification failed"));
         }
         Err(e) => {
+            println!("Error verifying file, removing potentially corrupted file...");
+            if let Err(remove_err) = fs::remove_file(&output_path) {
+                println!("Warning: Failed to remove potentially corrupted file: {}", remove_err);
+            } else {
+                println!("Potentially corrupted file removed successfully");
+            }
             return Err(anyhow!("Error verifying downloaded file: {}", e));
         }
     }