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error handling for prover-id file

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This commit is contained in:
Diego Prats 2024-11-12 18:17:59 -08:00
parent e084396969
commit f951bff473
1 changed files with 18 additions and 3 deletions
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21
clients/cli/src/prover.rs
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@ -83,10 +83,25 @@ async fn main() {
Some(path) if !path.as_os_str().is_empty() => { Some(path) if !path.as_os_str().is_empty() => {
let nexus_dir = Path::new(&path).join(".nexus"); let nexus_dir = Path::new(&path).join(".nexus");
prover_id = match fs::read(nexus_dir.join("prover-id")) { prover_id = match fs::read(nexus_dir.join("prover-id")) {
Ok(buf) => String::from_utf8(buf).unwrap(), // 1. fs::read attempts to read the prover-id file
Ok(buf) => match String::from_utf8(buf) {
Ok(id) => id,
Err(_) => {
eprintln!("Failed to read prover-id file. Using default.");
prover_id // Fall back to generated ID
},
},
// 2. If the file doesn't exist, we'll get an error
Err(_) => { Err(_) => {
let _ = fs::create_dir(nexus_dir.clone()); // 3. We try to create the .nexus directory
fs::write(nexus_dir.join("prover-id"), prover_id.clone()).unwrap(); if let Err(e) = fs::create_dir(nexus_dir.clone()) {
eprintln!("Failed to create .nexus directory: {:?}", e);
}
// 4. We try to write the prover-id to the file
if let Err(e) = fs::write(nexus_dir.join("prover-id"), &prover_id) {
eprintln!("Warning: Could not save prover-id: {}", e);
}
prover_id prover_id
} }
} }