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use crate::client::BackupClient;
use crate::client::ClientConfig;
use crate::error::ObnamError;
use crate::fsentry::FilesystemKind;
use indicatif::HumanBytes;
use tempfile::NamedTempFile;
pub fn show_generation(config: &ClientConfig, gen_ref: &str) -> anyhow::Result<()> {
// Create a named temporary file. We don't meed the open file
// handle, so we discard that.
let dbname = {
let temp = NamedTempFile::new()?;
let (_, dbname) = temp.keep()?;
dbname
};
let client = BackupClient::new(&config.server_url)?;
let genlist = client.list_generations()?;
let gen_id: String = match genlist.resolve(gen_ref) {
None => return Err(ObnamError::UnknownGeneration(gen_ref.to_string()).into()),
Some(id) => id,
};
let gen = client.fetch_generation(&gen_id, &dbname)?;
let files = gen.files()?;
let total_bytes = files.iter().fold(0, |acc, file| {
let e = file.entry();
if e.kind() == FilesystemKind::Regular {
acc + file.entry().len()
} else {
acc
}
});
println!("generation-id: {}", gen_id);
println!("file-count: {}", gen.file_count()?);
println!("file-bytes: {}", HumanBytes(total_bytes));
println!("file-bytes-raw: {}", total_bytes);
// Delete the temporary file.
std::fs::remove_file(&dbname)?;
Ok(())
}
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