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Follow symlinks for exe (#209)

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Denis Isidoro 2020-03-05 16:29:49 -03:00 committed by GitHub
parent b3ab91a9a0
commit fe26b00953
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 17 deletions
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40
src/filesystem.rs
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@ -1,6 +1,7 @@
use std::fs;
use std::fs::File;
use std::io::{self, BufRead, BufReader, Lines};
use std::path::Path;
use std::path::{Path, PathBuf};
pub fn read_lines<P>(filename: P) -> io::Result<Lines<BufReader<File>>>
where
@ -10,24 +11,29 @@ where
Ok(io::BufReader::new(file).lines())
}
fn follow_symlink(pathbuf: PathBuf) -> PathBuf {
let other = fs::read_link(pathbuf.clone());
match other {
Ok(o) => follow_symlink(o),
Err(_) => pathbuf,
}
}
fn exe_pathbuf() -> PathBuf {
let pathbuf = std::env::current_exe().unwrap().to_path_buf();
follow_symlink(pathbuf)
}
pub fn exe_string() -> String {
String::from(
std::env::current_exe()
.unwrap()
.as_os_str()
.to_str()
.unwrap(),
)
exe_pathbuf().as_os_str().to_str().unwrap().to_string()
}
pub fn exe_path_string() -> String {
String::from(
std::env::current_exe()
.unwrap()
.parent()
.unwrap()
.as_os_str()
.to_str()
.unwrap(),
)
exe_pathbuf()
.parent()
.unwrap()
.as_os_str()
.to_str()
.unwrap()
.to_string()
}