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use std::process::Command;
use crate::Session;
use clap::Args;
pub use error::Error;
mod error;
#[derive(Debug, Clone, Args)]
#[group(skip)]
pub struct Tmux {
/// tmux socket-name, equivelent to `tmux -L <socket-name>`
#[arg(short = 'L', long = "tmux_socket", default_value = "ssh")]
pub socket: String,
}
impl Tmux {
const SESSION_FORMAT: &str = r##"Session(name: "#S", state: #{?session_last_attached,Attached(#{session_last_attached}),Created(#{session_created})})"##;
pub fn list(&self) -> Result<Vec<Session>, Error> {
let stdout = Command::new("tmux")
.arg("-L")
.arg(&self.socket)
.arg("list-sessions")
.arg("-F")
.arg(Self::SESSION_FORMAT)
.output()?
.stdout;
let sessions: Vec<Session> = std::str::from_utf8(&stdout)?
.lines()
.filter_map(|s| match ron::from_str(s) {
Ok(session) => Some(session),
Err(err) => {
tracing::warn!(%err, "Invalid session format");
None
}
})
.collect();
Ok(sessions)
}
}
#[cfg(test)]
mod tests {
use super::*;
const SOCKET: &str = "test";
#[test]
fn test_tmux_list() -> Result<(), Error> {
let names = Vec::from(["test_1", "test_2", "test_3", "test_4"]);
for name in names.iter().cloned() {
Command::new("tmux")
.arg("-L")
.arg(SOCKET)
.arg("new-session")
.arg("-ds")
.arg(name)
.status()?;
}
let tmux = Tmux {
socket: SOCKET.to_owned(),
};
let sessions: Vec<_> = tmux.list()?.into_iter().map(|s| s.name).collect();
Command::new("tmux")
.arg("-L")
.arg(SOCKET)
.arg("kill-server")
.status()?;
assert_eq!(names, sessions);
Ok(())
}
}
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