1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
use std::process::Command;
use crate::Session;
pub use error::Error;
mod error;
#[derive(Debug)]
pub struct Tmux {
socket_name: String,
}
impl Tmux {
const SESSION_FORMAT: &str = r##"Session(name: "#S", state: #{?session_last_attached,Attached(#{session_last_attached}),Created(#{session_created})})"##;
pub fn new(socket_name: String) -> Self {
Self { socket_name }
}
pub fn list(&self, name: Option<String>) -> Result<Vec<Session>, Error> {
let filter = name
.map(|s| vec!["-f".into(), format!("#{{==:#S,{s}}}")])
.unwrap_or_default();
let stdout = Command::new("tmux")
.arg("-L")
.arg(&self.socket_name)
.arg("list-sessions")
.args(filter)
.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)
}
pub fn host(&self) -> Result<Session, Error> {
let stdout = Command::new("tmux")
.arg("-L")
.arg(&self.socket_name)
.arg("display")
.arg("-p")
.arg("#h")
.output()?
.stdout;
let name = std::str::from_utf8(&stdout)?.trim().into();
Ok(Session {
state: crate::State::LocalHost,
name,
})
}
}
#[cfg(test)]
mod tests {
use super::*;
const SOCKET_NAME: &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_NAME)
.arg("new-session")
.arg("-ds")
.arg(name)
.status()?;
}
let tmux = Tmux::new(SOCKET_NAME.to_owned());
let sessions: Vec<_> = tmux.list(None)?.into_iter().map(|s| s.name).collect();
Command::new("tmux")
.arg("-L")
.arg(SOCKET_NAME)
.arg("kill-server")
.status()?;
assert_eq!(names, sessions);
Ok(())
}
#[test]
fn test_tmux_host() -> Result<(), Error> {
Command::new("tmux")
.arg("-L")
.arg(SOCKET_NAME)
.arg("new-session")
.arg("-d")
.status()?;
let name = hostname::get()?.to_string_lossy().into();
let expected_session = Session {
state: crate::State::LocalHost,
name,
};
let tmux = Tmux::new(SOCKET_NAME.to_owned());
let session = tmux.host()?;
Command::new("tmux")
.arg("-L")
.arg(SOCKET_NAME)
.arg("kill-server")
.status()?;
assert_eq!(expected_session, session);
Ok(())
}
}
|
