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
|
use std::process::Command;
use std::fs::symlink_metadata;
use std::path::PathBuf;
use dirs::home_dir;
use crate::config::Dot;
use symlink::{symlink_auto, remove_symlink_auto};
fn prepare_dots(dots: Vec<Dot>, dots_dir: PathBuf, no_hostname_check: bool) -> Vec<Dot> {
let mut hostname = "*".to_string();
if !no_hostname_check {
// Deeply saddened there is no better way to do this :(
let hostname_cmd = Command::new("hostname").output().expect("failed to get hostname: command \"hostname\" failed");
let hostname_stdout = hostname_cmd.stdout;
let mut new_hostname = String::from_utf8(hostname_stdout.clone()).expect("failed to get hostname: unknown hostname encoding");
new_hostname.pop(); // stdout contains a newline
hostname = new_hostname;
}
let prepared_dots = dots.iter().filter(|dot| if no_hostname_check { true } else { dot.host == "*" || dot.host == hostname }).map(|m|
Dot {
source: dots_dir.join(&m.source),
destination: if m.destination.is_absolute() { m.destination.clone() } else { prepend_user_dir(&m.destination) },
host: m.host.clone()
}
);
prepared_dots.collect()
}
pub fn deploy_dots(dots: Vec<Dot>, dots_dir: PathBuf, no_hostname_check: bool) {
for dot in prepare_dots(dots, dots_dir, no_hostname_check) {
println!("linking from {} to {}", dot.source.display(), dot.destination.display());
let _ = symlink_auto(&dot.source, &dot.destination).map_err(|err|
eprintln!("failed to symlink: {}", err.to_string())
);
}
}
pub fn unlink_dots(dots: Vec<Dot>, dots_dir: PathBuf, no_hostname_check: bool) {
for dot in prepare_dots(dots, dots_dir, no_hostname_check) {
println!("unlinking {}", dot.destination.display());
let metadata = symlink_metadata(dot.destination.clone());
if metadata.is_err() {
eprintln!("failed to query metadata for {}: {}", dot.destination.display(), metadata.err().unwrap());
continue
}
if metadata.ok().unwrap().is_symlink() {
let _ = remove_symlink_auto(dot.destination).map_err(|err|
eprintln!("failed to remove symlink: {}", err)
);
}
}
}
fn prepend_user_dir(path: &PathBuf) -> PathBuf {
home_dir().unwrap().join(path)
}
|
