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use std::{collections::BTreeMap, ffi::OsStr, process::Command, str::FromStr};
use tokio::sync::mpsc::Sender;
use crate::Host;
pub async fn sessions<S>(tx: Sender<Host>, socket: S) -> Result<(), anyhow::Error>
where
S: AsRef<OsStr>,
{
let stdout = Command::new("tmux")
.arg("-L")
.arg(socket)
.arg("list-sessions")
.arg("-F")
.arg("#{?session_last_attached,#{session_last_attached},#{session_created}}:#S")
.output()?
.stdout;
let mut btree_map = std::str::from_utf8(&stdout)?
.lines()
.flat_map(|s| s.split_once(':'))
.flat_map(|(t, s)| Some((FromStr::from_str(t).ok()?, s.to_string())))
.collect::<BTreeMap<usize, String>>();
let stdout = Command::new("tmux")
.arg("-L")
.arg("default")
.arg("list-sessions")
.arg("-F")
.arg("#{?session_last_attached,#{session_last_attached},#{session_created}}:#{host}")
.output()?
.stdout;
if let Some((t, s)) = std::str::from_utf8(&stdout)?
.lines()
.flat_map(|s| s.split_once(':'))
.flat_map(|(t, s)| Some((FromStr::from_str(t).ok()?, s.to_string())))
.max_by_key(|t| t.0)
{
btree_map.insert(t, s);
}
for name in btree_map.into_values() {
tx.send(name.replace('_', ".").into()).await?;
}
Ok(())
}
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