blob: c641ea6bae5adf8c15302f91fa0da8c083e63fe3 (
plain)
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
|
//! Utilities.
use log::debug;
use std::net::TcpStream;
use std::path::{Path, PathBuf};
const SSH_PORT: i32 = 22;
// Wait for a virtual machine to have opened its SSH port.
pub fn wait_for_ssh(name: &str) {
debug!("waiting for {} to respond to SSH", name);
let addr = format!("{}:{}", name, SSH_PORT);
loop {
if TcpStream::connect(&addr).is_ok() {
return;
}
}
}
/// Expand a ~/ at the beginning of a Path to refer to the home directory.
pub fn expand_tilde(path: &Path) -> PathBuf {
if path.starts_with("~/") {
if let Some(home) = std::env::var_os("HOME") {
let mut expanded = PathBuf::from(home);
for comp in path.components().skip(1) {
expanded.push(comp);
}
expanded
} else {
path.to_path_buf()
}
} else {
path.to_path_buf()
}
}
pub fn expand_optional_pathbuf(maybe_path: &mut Option<PathBuf>) {
if let Some(path) = maybe_path {
*maybe_path = Some(expand_tilde(path));
}
}
pub fn expand_optional_pathbufs(maybe_paths: &mut Option<Vec<PathBuf>>) {
if let Some(paths) = maybe_paths {
let mut expanded = vec![];
for path in paths {
expanded.push(expand_tilde(&path));
}
*maybe_paths = Some(expanded);
}
}
|
