error handling for prover-id file
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e084396969
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f951bff473
@ -83,10 +83,25 @@ async fn main() {
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Some(path) if !path.as_os_str().is_empty() => {
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let nexus_dir = Path::new(&path).join(".nexus");
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prover_id = match fs::read(nexus_dir.join("prover-id")) {
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Ok(buf) => String::from_utf8(buf).unwrap(),
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// 1. fs::read attempts to read the prover-id file
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Ok(buf) => match String::from_utf8(buf) {
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Ok(id) => id,
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Err(_) => {
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eprintln!("Failed to read prover-id file. Using default.");
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prover_id // Fall back to generated ID
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},
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},
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// 2. If the file doesn't exist, we'll get an error
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Err(_) => {
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let _ = fs::create_dir(nexus_dir.clone());
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fs::write(nexus_dir.join("prover-id"), prover_id.clone()).unwrap();
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// 3. We try to create the .nexus directory
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if let Err(e) = fs::create_dir(nexus_dir.clone()) {
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eprintln!("Failed to create .nexus directory: {:?}", e);
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}
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// 4. We try to write the prover-id to the file
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if let Err(e) = fs::write(nexus_dir.join("prover-id"), &prover_id) {
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eprintln!("Warning: Could not save prover-id: {}", e);
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}
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prover_id
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}
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}
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