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//! The `list-files` subcommand.
use crate::backup_reason::Reason;
use crate::chunk::ClientTrust;
use crate::client::BackupClient;
use crate::config::ClientConfig;
use crate::error::ObnamError;
use crate::fsentry::{FilesystemEntry, FilesystemKind};
use structopt::StructOpt;
use tempfile::NamedTempFile;
use tokio::runtime::Runtime;
/// List files in a backup.
#[derive(Debug, StructOpt)]
pub struct ListFiles {
/// Reference to backup to list files in.
#[structopt(default_value = "latest")]
gen_id: String,
}
impl ListFiles {
/// Run the command.
pub fn run(&self, config: &ClientConfig) -> Result<(), ObnamError> {
let rt = Runtime::new()?;
rt.block_on(self.run_async(config))
}
async fn run_async(&self, config: &ClientConfig) -> Result<(), ObnamError> {
let temp = NamedTempFile::new()?;
let client = BackupClient::new(config)?;
let trust = client
.get_client_trust()
.await?
.or_else(|| Some(ClientTrust::new("FIXME", None, "".to_string(), vec![])))
.unwrap();
let genlist = client.list_generations(&trust);
let gen_id = genlist.resolve(&self.gen_id)?;
let gen = client.fetch_generation(&gen_id, temp.path()).await?;
for file in gen.files()?.iter()? {
let (_, entry, reason, _) = file?;
println!("{}", format_entry(&entry, reason));
}
Ok(())
}
}
fn format_entry(e: &FilesystemEntry, reason: Reason) -> String {
let kind = match e.kind() {
FilesystemKind::Regular => "-",
FilesystemKind::Directory => "d",
FilesystemKind::Symlink => "l",
FilesystemKind::Socket => "s",
FilesystemKind::Fifo => "p",
};
format!("{} {} ({})", kind, e.pathbuf().display(), reason)
}
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